Mazda CX-9 Grand Touring 2007 Manual Download Page 896

Page: 896 / 1056

NO.23 A/C DOES NOT WORK SUFFICIENTLY [MZI-3.5]

DESCRIPTION AND POSSIBLE CAUSES

DIAGNOSTIC PROCEDURE

Inspect the following components for
loose attaching bolts or worn parts:

Cooling fan

Drive belt and pulleys

Generator

Engine mounts

Exhaust system mounts

All items normal?

Yes

Inspect the following systems:

Wheels

ATX

Driveline

Suspension

Readjust or retighten engine mount

installation position.
Service if necessary for other parts.

Verify test results.

{

If normal, return to diagnostic index to service any additional symptoms.

(See

ENGINE SYMPTOM TROUBLESHOOTING [MZI-3.5]

{

If malfunction remains, inspect related Service Bulletins and/or On-line Repair
Information and perform repair or diagnosis.

If vehicle is repaired, troubleshooting completed.

If vehicle is not repaired or additional diagnostic information is not

available, replace the PCM.

(see

PCM REMOVAL/INSTALLATION [MZI-3.5]

A/C DOES NOT WORK SUFFICIENTLY.

DESCRIPTION

A/C compressor magnetic clutch does not engage when the A/C switch is turned
on.

POSSIBLE CAUSE

Improper refrigerant charging amount

Open the A/C magnetic clutch

Open circuit in wiring harness between A/C relay and A/C magnetic clutch

Poor GND of A/C magnetic clutch

Refrigerant pressure switch is stuck open.

A/C relay is stuck open.

Seized A/C compressor

Open circuit in wiring harness between A/C switch and PCM through both

refrigerant pressure switch and A/C amplifier

2007 Mazda CX-9 Grand Touring

2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9

Microsoft

Sunday, November 15, 2009 9:27:37 AM

Page 79

Summary of Contents for CX-9 Grand Touring 2007

Page 1: ...MZI 3 5 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE Intake Air System MZI 3 5 CX 9 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE Intake Air System MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 23 31 AM Page 1 2005 Mitchell Repair Information Company LLC Microsoft Sunday November 15 2009 9 23 35 AM Page 1 2005 Mitchell Repair Information Company LLC ...

Page 2: ...NTAKE AIR SYSTEM VACUUM HOSE ROUTING DIAGRAM MZI 3 5 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE Intake Air System MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 23 32 AM Page 2 2005 Mitchell Repair Information Company LLC ...

Page 3: ...cool before removing the intake air system z Fuel vapor is hazardous It can easily ignite causing serious injury and damage Always keep sparks and flames away from fuel z Fuel line spills and leakage are dangerous Fuel can ignite and cause serious injuries or death and damage Fuel can also irritate skin and eyes To prevent this always complete the Fuel Line Safety Procedure 2007 Mazda CX 9 Grand T...

Page 4: ... the table 5 Install in the reverse order of removal 6 Complete the AFTER REPAIR PROCEDURE see AFTER REPAIR PROCEDURE MZI 3 5 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE Intake Air System MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 23 32 AM Page 4 2005 Mitchell Repair Information Company LLC ...

Page 5: ...nents With Torque Specifications INTAKE MANIFOLD REMOVAL NOTE 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE Intake Air System MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 23 32 AM Page 5 2005 Mitchell Repair Information Company LLC ...

Page 6: ...rmostat component 5 Disconnect the thermostat component side of the water inlet pipe which is under the intake manifold 6 Remove the intake manifold and thermostat component as a single unit 7 Remove the thermostat component from the intake manifold 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE Intake Air System MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 23 32 AM Page 6 2005 Mitchell...

Page 7: ...76 101 in lbf Fig 7 Identifying Intake Manifold Bolt Tightening Sequence DYNAMIC CHAMBER INSTALLATION NOTE 1 Tighten the dynamic chamber installation bolts in the order shown Dynamic chamber installation bolt tightening torque 8 5 11 5 N m 87 117 kgf cm 76 101 in lbf 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE Intake Air System MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 23 32 AM Pa...

Page 8: ...ry cable see BATTERY REMOVAL INSTALLATION MZI 3 5 2 Remove the engine cover see ENGINE COVER REMOVAL INSTALLATION MZI 3 5 3 Disconnect the throttle body connector 4 Measure the resistance between throttle body terminals A and B z If not as specified replace the throttle body See INTAKE AIR SYSTEM REMOVAL INSTALLATION MZI 3 5 z If as specified carry out the Circuit Open Short Inspection Throttle bo...

Page 9: ...wing wiring harnesses for open or short continuity check Fig 10 Identifying Throttle Body Connector Terminals Fig 11 Identifying PCM Connector Terminals 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE Intake Air System MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 23 32 AM Page 9 2005 Mitchell Repair Information Company LLC ...

Page 10: ...ottle body terminal B and ground ACCELERATOR PEDAL REMOVAL INSTALLATION MZI 3 5 1 Disconnect the negative battery cable see BATTERY REMOVAL INSTALLATION MZI 3 5 2 Remove the dashboard under cover Driver side see DASHBOARD UNDER COVER REMOVAL INSTALLATION 3 Remove in the order indicated in the table 4 Install in the reverse order of removal Fig 12 Identifying Accelerator Pedal And Electrical Connec...

Page 11: ...e order indicated in the table 2 Install in the reverse order of removal 2007 Mazda CX 9 Grand Touring 2007 ELECTRICAL Charging System MZI 3 5 CX 9 2007 Mazda CX 9 Grand Touring 2007 ELECTRICAL Charging System MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 29 33 AM Page 1 2005 Mitchell Repair Information Company LLC Microsoft Sunday November 15 2009 9 29 37 AM Page 1 2005 Mitchell Repair Informa...

Page 12: ...cid is toxic be careful when handling the battery z Since battery acid is highly corrosive be careful not to allow it to contact clothing or the vehicle z In case battery acid contacts skin eyes or clothing flush it immediately with running water Especially if the acid gets in the eyes flush with water for more than 15 min and get prompt medical attention 2007 Mazda CX 9 Grand Touring 2007 ELECTRI...

Page 13: ... doors are closed Step Inspection Action 1 Measure the battery positive voltage 12 4 V or more Go to Step 3 Less than 12 4 V Go to the next step 2 Quick charge for 30 min and recheck voltage 12 4 V or more Go to the next step Less than 12 4 V Replace the battery 3 Using the battery load tester apply load current 80D26L 55 195 A and record battery voltage after 15 s Is voltage more than the specifi...

Page 14: ...hin approx 30 min after the tester is connected the battery must be left undisturbed for approx 30 min from that point CAUTION z Operating electrical loads while the back up current is being measured can damage the tester NOTE z For vehicles with the immobilizer system the system periodically shifts synchronization of the security light flashing Therefore 60 mA 0 1 s current is supplied when the s...

Page 15: ...3 5 1 Disconnect the negative battery cable 2 Drain the engine coolant see ENGINE COOLANT REPLACEMENT MZI 3 5 3 Remove the air cleaner and fresh air duct component see INTAKE AIR SYSTEM WARNING z Remove and install all parts when the engine is cold otherwise they can cause severe burns or serious injury z When the battery cables are connected touching the vehicle body with generator terminal B wil...

Page 16: ...LEAKAGE INSPECTION MZI 3 5 Fig 5 Identifying Generator And Connector With Torque Specifications Courtesy of MAZDA MOTORS CORP GENERATOR LOWER BOLT REMOVAL NOTE 1 Fully loosen the generator lower bolt NOTE z The generator lower bolt cannot be fully removed from the engine because it contacts the body frame However the generator can be removed installed without fully removing the lower bolt because ...

Page 17: ...e ON position verify that the generator warning light illuminates z If it does not illuminate inspect the generator warning light and the wiring harness If the generator warning light and the wiring harness are normal inspect the PCM 4 Verify that the generator warning light goes out after the engine is started z If it does not go out inspect if any DTCs are displayed If any DTCs are displayed car...

Page 18: ...ON Terminal B B Terminal A B Terminal RC Approx 1 V or less Terminal LI Approx 1 V Generator standard voltage Idle 20 C 68 F Terminal B 12 16 V Terminal A 12 16 V Terminal RC 0 16 V Terminal LI 1 16 V Fig 7 Identifying Generator Connector Terminals Courtesy of MAZDA MOTORS CORP Current NOTE z Since the charging current decreases rapidly after starting the engine carry out the following procedure q...

Page 19: ... output current 110 A Ambient temp 20 C 68 F voltage 13 0 15 0 V both engine and generator are hot GENERATOR INNER PARTS Rotor 1 Measure the resistance between the slip rings using a tester z If not within the specification replace the rotor Generator rotor resistance between slip rings 20 C 68 F value NOTE z When the electrical load on the vehicle is low the specified current cannot be verified a...

Page 20: ...ip ring surface condition z If the slip ring surface is rough use a lathe or fine sandpaper to smooth it Fig 9 Measuring Continuity Between Slip Ring And Core Using With Tester Courtesy of MAZDA MOTORS CORP Stator coil 1 Verify that the continuity is as indicated in the table 2007 Mazda CX 9 Grand Touring 2007 ELECTRICAL Charging System MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 29 34 AM Pag...

Page 21: ...there is no continuity between the stator coil leads and core using a tester z If there is continuity replace the stator coil Fig 12 Measuring Continuity Between Stator Coil Leads And Core Using Tester Courtesy of MAZDA MOTORS CORP Brush 2007 Mazda CX 9 Grand Touring 2007 ELECTRICAL Charging System MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 29 34 AM Page 11 2005 Mitchell Repair Information C...

Page 22: ...ring using a spring pressure gauge 2 Read the spring pressure gauge at the brush tip projection of 2 mm 0 079 in z Replace the brush spring if necessary Generator brush spring force Standard 4 1 5 3 N 0 42 0 54 kgf 0 92 1 19 lbf Minimum 1 7 N 0 17 kgf 0 38 lbf Fig 14 Measuring Force Of Brush Spring Using Spring Pressure Gauge 2007 Mazda CX 9 Grand Touring 2007 ELECTRICAL Charging System MZI 3 5 CX...

Page 23: ...ircuit tester 1 Inspect for continuity of the diodes using a digital circuit tester z If not as specified replace the rectifier Specification TERMINALS CONTINUITY CHART Bearing Negative Positive Continuity E P1 P2 P3 P4 P5 P6 Yes B No P1 P2 P3 P4 P5 P6 E No B Yes Negative Positive Continuity E P1 P2 P3 P4 P5 P6 No B Yes P1 P2 P3 P4 P5 P6 E Yes B No 2007 Mazda CX 9 Grand Touring 2007 ELECTRICAL Cha...

Page 24: ...MBLY ASSEMBLY MZI 3 5 1 Disassemble in the order indicated in the table 2 Assemble in the reverse order of disassembly CAUTION z Melt the solder quickly otherwise the diodes rectifier and regulator will be damaged by excessive heat 2007 Mazda CX 9 Grand Touring 2007 ELECTRICAL Charging System MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 29 34 AM Page 14 2005 Mitchell Repair Information Company...

Page 25: ...or With Torque Specifications Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 ELECTRICAL Charging System MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 29 34 AM Page 15 2005 Mitchell Repair Information Company LLC ...

Page 26: ...ng 2007 ENGINE Cooling System MZI 3 5 CX 9 2007 Mazda CX 9 Grand Touring 2007 ENGINE Cooling System MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 31 38 AM Page 1 2005 Mitchell Repair Information Company LLC Microsoft Sunday November 15 2009 9 31 41 AM Page 1 2005 Mitchell Repair Information Company LLC ...

Page 27: ...2007 Mazda CX 9 Grand Touring 2007 ENGINE Cooling System MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 31 38 AM Page 2 2005 Mitchell Repair Information Company LLC ...

Page 28: ...not operating to prevent injury to personnel or damage to the cooling fan Always disconnect the negative battery cable when servicing the cooling fan or parts near the cooling fan WARNING z Never remove the cooling system cap or loosen the radiator drain plug while the engine is running or when the engine and radiator are hot Scalding engine coolant and steam may shoot out and cause serious injury...

Page 29: ...centration that meets the environmental conditions in which the vehicle is driven otherwise engine damage could occur z The engine has aluminum parts and must be protected by an ethylene glycol based coolant to prevent corrosion and freezing z Do not use coolants containing Alcohol Methanol Borate or Silicate These coolants could damage the cooling system z Use only soft demineralized water in the...

Page 30: ...ne Coolant Protection Level Graph Courtesy of MAZDA MOTORS CORP painted surface rinse it off quickly NOTE z If the FL22 mark is shown on or near the cooling system cap use FL22 type engine coolant z FL22 type engine coolant is shipped as a diluted solution Use the solution as is when replacing coolant 2007 Mazda CX 9 Grand Touring 2007 ENGINE Cooling System MZI 3 5 CX 9 Microsoft Sunday November 1...

Page 31: ... Use engine coolant at a concentration that meets the environmental conditions in which the vehicle is driven otherwise engine damage could occur z The engine has aluminum parts and must be protected by an ethylene glycol based coolant to prevent corrosion and freezing z Do not use coolants containing Alcohol Methanol Borate or Silicate These coolants could damage the cooling system z Use only sof...

Page 32: ...ush the cooling system with water until all traces of color are gone 4 Let the system drain completely 5 Tighten the radiator drain plug Tightening torque 1 5 2 4 N m 15 25 kgf cm 13 21 in lbf 6 Referring to the following chart select the correct volume percentage of the water and engine coolant 2007 Mazda CX 9 Grand Touring 2007 ENGINE Cooling System MZI 3 5 CX 9 Microsoft Sunday November 15 2009...

Page 33: ... C 15 F 55 45 1 072 Above 40 C 40 F 45 55 1 086 CAUTION z If the water temperature gauge rises too high stop the engine and decrease the engine coolant temperature to prevent overheating Then verify the malfunctioning part and repair or replace it z If the engine coolant level in the coolant reserve tank is below the L mark during engine coolant air bleeding operation stop the engine and after the...

Page 34: ... pressurizing the cooling system verify that the pressure is maintained WARNING z Never remove the cooling system cap or loosen the radiator drain plug while the engine is running or when the engine and radiator are hot Scalding engine coolant and steam may shoot out and cause serious injury It may also damage the engine and cooling system z Turn off the engine and wait until it is cool Even then ...

Page 35: ...g system cap valve opening pressure 93 2 122 6 kPa 0 95 1 25 kgf cm2 13 5 17 8 psi WARNING z Never remove the cooling system cap or loosen the radiator drain plug while the engine is running or when the engine and radiator are hot Scalding engine coolant and steam may shoot out and cause serious injury It may also damage the engine and cooling system z Turn off the engine and wait until it is cool...

Page 36: ...ap or loosen the radiator drain plug while the engine is running or when the engine and radiator are hot Scalding engine coolant and steam may shoot out and cause serious injury It may also damage the engine and cooling system z Turn off the engine and wait until it is cool Even then be very careful when removing the cap Wrap a thick cloth around it and slowly turn it counterclockwise to the first...

Page 37: ... ENGINE COOLANT LEAKAGE INSPECTION MZI 3 5 10 Inspect the ATF level see AUTOMATIC TRANSAXLE FLUID ATF INSPECTION AW6A EL AW6AX EL WARNING z Never remove the cooling system cap or loosen the radiator drain plug while the engine is running or when the engine and radiator are hot Scalding engine coolant and steam may shoot out and cause serious injury It may also damage the engine and cooling system ...

Page 38: ...the upper mount rubber bracket notch CAUTION z Do not apply force excessively and in the directions that are not specified otherwise the upper mount rubber bracket could be damaged 2007 Mazda CX 9 Grand Touring 2007 ENGINE Cooling System MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 31 38 AM Page 13 2005 Mitchell Repair Information Company LLC ...

Page 39: ...when the engine and radiator are hot Scalding engine coolant and steam may shoot out and cause serious injury It may also damage the engine and cooling system z Turn off the engine and wait until it is cool Even then be very careful when removing the cap Wrap a thick cloth around it and slowly turn it counterclockwise to the first stop Step back while the pressure escapes z When you are sure all t...

Page 40: ... for engine coolant leakage See ENGINE COOLANT LEAKAGE INSPECTION MZI 3 5 Fig 15 Identifying Thermostat Cover And Thermostat With Torque Specifications Courtesy of MAZDA MOTORS CORP THERMOSTAT INSTALLATION NOTE 1 Install the thermostat into the thermostat case with the jiggle pin at the top Fig 16 Identifying Jiggle Pin Courtesy of MAZDA MOTORS CORP O RING INSTALLATION NOTE 1 Clean and inspect the...

Page 41: ...z Fuel vapor is hazardous It can very easily ignite causing serious injury and damage Always keep sparks and flames away from fuel z Fuel line spills and leakage are dangerous Fuel can ignite and cause serious injures or death and damage Fuel can also irritate skin and eyes To prevent this always complete the Fuel Line Safety Procedure see BEFORE REPAIR PROCEDURE MZI 3 5 z Continuous exposure to U...

Page 42: ...ee POWER STEERING OIL PUMP REMOVAL INSTALLATION 9 Remove the timing chain component see TIMING CHAIN REMOVAL INSTALLATION MZI 3 5 10 Remove in the order indicated in the table 11 Install in the reverse order of removal 12 Start the engine and 1 Inspect the runout and contact on the pulley and belt 2 Inspect for engine oil engine coolant ATF power steering fluid and fuel leakage 3 Verify the igniti...

Page 43: ...ing chain guide RH bolt A 2 Remove the upper timing chain guide RH bolt B Fig 19 Identifying Upper Timing Chain Guide Bolts Courtesy of MAZDA MOTORS CORP 3 Move the upper timing chain guide RH as shown 4 Retighten the bolt A 2007 Mazda CX 9 Grand Touring 2007 ENGINE Cooling System MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 31 38 AM Page 18 2005 Mitchell Repair Information Company LLC ...

Page 44: ...ORP WATER PUMP INSTALLATION NOTE 1 Tighten the water pump bolts in the order shown in the figure Tightening torque 8 5 11 5 N m 87 117 kgf cm 76 101 in lbf NOTE z When the water pump is removed the engine coolant may flow through the cylinder block and penetrate the oil pan To prevent the engine coolant from accumulating in the oil pan remove the oil pan drain plug before removing the water pump 2...

Page 45: ...LANT LEAKAGE INSPECTION MZI 3 5 WARNING z Never remove the cooling system cap or loosen the radiator drain plug while the engine is running or when the engine and radiator are hot Scalding engine coolant and steam may shoot out and cause serious injury It may also damage the engine and cooling system z Turn off the engine and wait until it is cool Even then be very careful when removing the cap Wr...

Page 46: ...que Specifications Courtesy of MAZDA MOTORS CORP ATF OIL COOLER PIPE REMOVAL NOTE 2007 Mazda CX 9 Grand Touring 2007 ENGINE Cooling System MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 31 38 AM Page 21 2005 Mitchell Repair Information Company LLC ...

Page 47: ...to the cooling fan motor connector as shown in the figure 4 Verify that each fan motors operate smoothly at the standard current z If there is any malfunction replace the applicable part Cooling fan motor standard current Single Fan Control Module No 1 No 2 11 2 15 2 A Cooling fan motor standard current Dual Fan Control Module No 1 No 2 17 23 A Fig 24 Installing Tester And Battery To Cooling Fan M...

Page 48: ...HT sensor Refrigerant pressure switch middle Fig 26 Identifying Fan Control Module Connector Terminals Courtesy of MAZDA MOTORS CORP Single fan control module SINGLE FAN CONTROL MODULE SPECIFICATION Inspection Result Condition A C Engine coolant temp IG SW ON or idling OFF Less than 96 C 205 F 0 V Fan stops Idling OFF 96 106 C 205 223 F 4 11 10 29 V Idling ON 96 106 C 205 223 F Approx 6 4 V Idling...

Page 49: ...an 96 C 205 F 0 V Fan stops Idling OFF 96 106 C 205 223 F 4 11 10 29 V Idling ON 2 96 106 C 205 223 F Approx 6 6 V Idling ON 2 96 106 C 205 223 F Approx 7 5 V Idling OFF More than 106 C 223 F B 1 Refrigerant pressure switch middle is off 2 Refrigerant pressure switch middle is on 2007 Mazda CX 9 Grand Touring 2007 ENGINE Cooling System MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 31 38 AM Page...

Page 50: ...tween the cruise control switch terminals using an ohmmeter z If not as specified replace the cruise control switch Fig 1 Terminals Continuity Chart 2007 Mazda CX 9 Grand Touring 2007 ACCESSORIES BODY CAB Cruise Control System MZI 3 5 CX 9 2007 Mazda CX 9 Grand Touring 2007 ACCESSORIES BODY CAB Cruise Control System MZI 3 5 CX 9 Microsoft Sunday November 15 2009 10 49 58 AM Page 1 2005 Mitchell Re...

Page 51: ...e Control Switch Connector Terminals 2007 Mazda CX 9 Grand Touring 2007 ACCESSORIES BODY CAB Cruise Control System MZI 3 5 CX 9 Microsoft Sunday November 15 2009 10 49 58 AM Page 2 2005 Mitchell Repair Information Company LLC ...

Page 52: ...e compartment MAIN Relay No 1 In main fuse block MAIN Relay No 2 In main fuse block PLG Buzzer Right side of tailgate REAR BLOWER Relay In main fuse block REAR WINDOW DEFROSTER Relay In main fuse block SEAT WARMER LH Relay In main fuse block SEAT WARMER RH Relay In main fuse block STARTER Relay In main fuse block TNS Relay In main fuse block Component Location Fuse Block Behind right side of dash ...

Page 53: ...nter console See Fig 20 Seat Weight Sensor Control Module Under front passenger s seat See Fig 46 TCM Left front of engine compartment See Fig 2 Component Location Air Intake Actuator Behind right side of dash Closer Motor Lower center of liftgate Cooling Fan Motor No 1 Left front of engine compartment Cooling Fan Motor No 2 Right front of engine compartment Door Lock Actuator Left Right Front At ...

Page 54: ...gine compartment Brake Fluid Level Sensor Left rear of engine compartment in brake fluid reservoir Cabin Temperature Sensor Under left side of dash Camshaft Position Sensor Left Rear of left cylinder bank Camshaft Position Sensor Right Rear of right cylinder bank CHT Sensor Top right front of engine Combined Sensor At right C pillar Crankshaft Position Sensor Left rear of engine Crash Zone Sensor ...

Page 55: ...ocation AWD Solenoid Near rear differential Canister Vent Solenoid Valve Under left side of vehicle forward of fuel tank Fuel Injectors No 1 2 3 On right cylinder bank Fuel Injectors No 4 5 6 On left cylinder bank Magnetic Clutch Left front of engine Oil Control Valve Left Front of left cylinder bank Oil Control Valve Right Front of right cylinder bank Purge Solenoid Valve Rear of engine compartme...

Page 56: ...se of left B pillar Driver Side Side Air Bag Module Left side of driver s seat back Front Power MOS FET Near front blower motor Generator Left front of engine Horn High Left front of engine compartment Horn Low Right front of engine compartment Ignition Coils No 1 2 3 Top of right cylinder bank Ignition Coils No 4 5 6 Top of left cylinder bank Inverter Left side of luggage compartment Joint Connec...

Page 57: ... panel See Fig 38 C 11 56 Pin Under front of center console See Fig 21 C 12 34 Pin Behind left kick panel See Fig 47 C 13 34 Pin Behind right kick panel See Fig 34 C 14 14 Pin At left B pillar See Fig 54 C 15 14 Pin At right B pillar See Fig 48 C 16 Blue 40 Pin Behind left kick panel See Fig 41 C 17 16 Pin Behind left kick panel See Fig 32 C 18 16 Pin Behind left kick panel See Fig 31 C 19 14 Pin ...

Page 58: ...light assembly See Fig 1 G9 Behind right center of dash See Fig 18 G10 Joint Connector Behind left side of dash See Fig 26 G11 Joint Connector Behind left side of dash See Fig 33 G12 Joint Connector At right C pillar See Fig 50 G13 Joint Connector At left C pillar See Fig 61 G14 At left D pillar See Fig 62 G15 Center rear of roof See Fig 59 NOTE Figures may show multiple component locations Refer ...

Page 59: ...Fig 1 Engine Compartment Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 MAZDA CX 9 Microsoft Sunday November 15 2009 9 30 18 AM Page 8 2005 Mitchell Repair Information Company LLC ...

Page 60: ...Fig 2 Engine Compartment Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 MAZDA CX 9 Microsoft Sunday November 15 2009 9 30 18 AM Page 9 2005 Mitchell Repair Information Company LLC ...

Page 61: ...Fig 3 Engine Compartment Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 MAZDA CX 9 Microsoft Sunday November 15 2009 9 30 18 AM Page 10 2005 Mitchell Repair Information Company LLC ...

Page 62: ...ourtesy of MAZDA MOTORS CORP Fig 5 Engine Compartment Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 MAZDA CX 9 Microsoft Sunday November 15 2009 9 30 18 AM Page 11 2005 Mitchell Repair Information Company LLC ...

Page 63: ...Fig 6 Engine Compartment Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 MAZDA CX 9 Microsoft Sunday November 15 2009 9 30 18 AM Page 12 2005 Mitchell Repair Information Company LLC ...

Page 64: ...Fig 7 Engine Compartment Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 MAZDA CX 9 Microsoft Sunday November 15 2009 9 30 18 AM Page 13 2005 Mitchell Repair Information Company LLC ...

Page 65: ...Fig 8 Engine Compartment Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 MAZDA CX 9 Microsoft Sunday November 15 2009 9 30 18 AM Page 14 2005 Mitchell Repair Information Company LLC ...

Page 66: ...Fig 9 Engine Compartment Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 MAZDA CX 9 Microsoft Sunday November 15 2009 9 30 18 AM Page 15 2005 Mitchell Repair Information Company LLC ...

Page 67: ...Fig 10 Engine Compartment Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 MAZDA CX 9 Microsoft Sunday November 15 2009 9 30 18 AM Page 16 2005 Mitchell Repair Information Company LLC ...

Page 68: ...Fig 11 Engine Compartment Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 MAZDA CX 9 Microsoft Sunday November 15 2009 9 30 18 AM Page 17 2005 Mitchell Repair Information Company LLC ...

Page 69: ...Fig 12 Right Kick Panel Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 MAZDA CX 9 Microsoft Sunday November 15 2009 9 30 18 AM Page 18 2005 Mitchell Repair Information Company LLC ...

Page 70: ...Fig 13 Right Kick Panel Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 MAZDA CX 9 Microsoft Sunday November 15 2009 9 30 18 AM Page 19 2005 Mitchell Repair Information Company LLC ...

Page 71: ...ourtesy of MAZDA MOTORS CORP Fig 15 Dash Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 MAZDA CX 9 Microsoft Sunday November 15 2009 9 30 18 AM Page 20 2005 Mitchell Repair Information Company LLC ...

Page 72: ...Fig 16 Dash Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 MAZDA CX 9 Microsoft Sunday November 15 2009 9 30 18 AM Page 21 2005 Mitchell Repair Information Company LLC ...

Page 73: ...Fig 17 Dash Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 MAZDA CX 9 Microsoft Sunday November 15 2009 9 30 19 AM Page 22 2005 Mitchell Repair Information Company LLC ...

Page 74: ...Fig 18 Dash Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 MAZDA CX 9 Microsoft Sunday November 15 2009 9 30 19 AM Page 23 2005 Mitchell Repair Information Company LLC ...

Page 75: ...Fig 19 Dash Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 MAZDA CX 9 Microsoft Sunday November 15 2009 9 30 19 AM Page 24 2005 Mitchell Repair Information Company LLC ...

Page 76: ...Fig 20 Center Console Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 MAZDA CX 9 Microsoft Sunday November 15 2009 9 30 19 AM Page 25 2005 Mitchell Repair Information Company LLC ...

Page 77: ...Fig 21 Center Console Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 MAZDA CX 9 Microsoft Sunday November 15 2009 9 30 19 AM Page 26 2005 Mitchell Repair Information Company LLC ...

Page 78: ...Fig 22 Center Console Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 MAZDA CX 9 Microsoft Sunday November 15 2009 9 30 19 AM Page 27 2005 Mitchell Repair Information Company LLC ...

Page 79: ...Fig 23 Center Console Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 MAZDA CX 9 Microsoft Sunday November 15 2009 9 30 19 AM Page 28 2005 Mitchell Repair Information Company LLC ...

Page 80: ...Fig 24 Dash Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 MAZDA CX 9 Microsoft Sunday November 15 2009 9 30 19 AM Page 29 2005 Mitchell Repair Information Company LLC ...

Page 81: ...Fig 25 Dash Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 MAZDA CX 9 Microsoft Sunday November 15 2009 9 30 19 AM Page 30 2005 Mitchell Repair Information Company LLC ...

Page 82: ...Fig 26 Dash Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 MAZDA CX 9 Microsoft Sunday November 15 2009 9 30 19 AM Page 31 2005 Mitchell Repair Information Company LLC ...

Page 83: ...Fig 27 Dash Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 MAZDA CX 9 Microsoft Sunday November 15 2009 9 30 19 AM Page 32 2005 Mitchell Repair Information Company LLC ...

Page 84: ...Fig 28 Dash Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 MAZDA CX 9 Microsoft Sunday November 15 2009 9 30 19 AM Page 33 2005 Mitchell Repair Information Company LLC ...

Page 85: ...Fig 29 Dash Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 MAZDA CX 9 Microsoft Sunday November 15 2009 9 30 19 AM Page 34 2005 Mitchell Repair Information Company LLC ...

Page 86: ...Fig 30 Dash Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 MAZDA CX 9 Microsoft Sunday November 15 2009 9 30 19 AM Page 35 2005 Mitchell Repair Information Company LLC ...

Page 87: ...Fig 31 Left Kick Panel Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 MAZDA CX 9 Microsoft Sunday November 15 2009 9 30 19 AM Page 36 2005 Mitchell Repair Information Company LLC ...

Page 88: ...Fig 32 Left Kick Panel Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 MAZDA CX 9 Microsoft Sunday November 15 2009 9 30 19 AM Page 37 2005 Mitchell Repair Information Company LLC ...

Page 89: ...Fig 33 Dash Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 MAZDA CX 9 Microsoft Sunday November 15 2009 9 30 19 AM Page 38 2005 Mitchell Repair Information Company LLC ...

Page 90: ...Fig 34 Right Kick Panel Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 MAZDA CX 9 Microsoft Sunday November 15 2009 9 30 19 AM Page 39 2005 Mitchell Repair Information Company LLC ...

Page 91: ...Fig 35 Right Kick Panel Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 MAZDA CX 9 Microsoft Sunday November 15 2009 9 30 19 AM Page 40 2005 Mitchell Repair Information Company LLC ...

Page 92: ...Fig 36 Dash Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 MAZDA CX 9 Microsoft Sunday November 15 2009 9 30 19 AM Page 41 2005 Mitchell Repair Information Company LLC ...

Page 93: ...Fig 37 Dash Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 MAZDA CX 9 Microsoft Sunday November 15 2009 9 30 19 AM Page 42 2005 Mitchell Repair Information Company LLC ...

Page 94: ...Fig 38 Left Kick Panel Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 MAZDA CX 9 Microsoft Sunday November 15 2009 9 30 19 AM Page 43 2005 Mitchell Repair Information Company LLC ...

Page 95: ...Fig 39 Left Kick Panel Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 MAZDA CX 9 Microsoft Sunday November 15 2009 9 30 19 AM Page 44 2005 Mitchell Repair Information Company LLC ...

Page 96: ...Fig 40 Left Kick Panel Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 MAZDA CX 9 Microsoft Sunday November 15 2009 9 30 19 AM Page 45 2005 Mitchell Repair Information Company LLC ...

Page 97: ...Fig 41 Left Kick Panel Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 MAZDA CX 9 Microsoft Sunday November 15 2009 9 30 19 AM Page 46 2005 Mitchell Repair Information Company LLC ...

Page 98: ...Fig 42 Under Driver s Seat Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 MAZDA CX 9 Microsoft Sunday November 15 2009 9 30 19 AM Page 47 2005 Mitchell Repair Information Company LLC ...

Page 99: ...Fig 43 Under Driver s Seat Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 MAZDA CX 9 Microsoft Sunday November 15 2009 9 30 19 AM Page 48 2005 Mitchell Repair Information Company LLC ...

Page 100: ...Fig 44 Driver s Seat Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 MAZDA CX 9 Microsoft Sunday November 15 2009 9 30 19 AM Page 49 2005 Mitchell Repair Information Company LLC ...

Page 101: ...45 Under Front Passenger s Seat Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 MAZDA CX 9 Microsoft Sunday November 15 2009 9 30 19 AM Page 50 2005 Mitchell Repair Information Company LLC ...

Page 102: ...ig 46 Front Passenger s Seat Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 MAZDA CX 9 Microsoft Sunday November 15 2009 9 30 19 AM Page 51 2005 Mitchell Repair Information Company LLC ...

Page 103: ...Fig 47 Left Kick Panel Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 MAZDA CX 9 Microsoft Sunday November 15 2009 9 30 19 AM Page 52 2005 Mitchell Repair Information Company LLC ...

Page 104: ...Fig 48 Right Side Of Vehicle Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 MAZDA CX 9 Microsoft Sunday November 15 2009 9 30 19 AM Page 53 2005 Mitchell Repair Information Company LLC ...

Page 105: ...tesy of MAZDA MOTORS CORP Fig 50 Right Side Of Vehicle Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 MAZDA CX 9 Microsoft Sunday November 15 2009 9 30 19 AM Page 54 2005 Mitchell Repair Information Company LLC ...

Page 106: ...Fig 51 Right Rear Of Vehicle Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 MAZDA CX 9 Microsoft Sunday November 15 2009 9 30 19 AM Page 55 2005 Mitchell Repair Information Company LLC ...

Page 107: ...Vehicle Courtesy of MAZDA MOTORS CORP Fig 53 Roof Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 MAZDA CX 9 Microsoft Sunday November 15 2009 9 30 19 AM Page 56 2005 Mitchell Repair Information Company LLC ...

Page 108: ...Fig 54 Left Side Of Vehicle Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 MAZDA CX 9 Microsoft Sunday November 15 2009 9 30 19 AM Page 57 2005 Mitchell Repair Information Company LLC ...

Page 109: ...tesy of MAZDA MOTORS CORP Fig 56 Right Side Of Vehicle Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 MAZDA CX 9 Microsoft Sunday November 15 2009 9 30 19 AM Page 58 2005 Mitchell Repair Information Company LLC ...

Page 110: ...Fig 57 Left Side Of Vehicle Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 MAZDA CX 9 Microsoft Sunday November 15 2009 9 30 19 AM Page 59 2005 Mitchell Repair Information Company LLC ...

Page 111: ...Fig 58 Roof Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 MAZDA CX 9 Microsoft Sunday November 15 2009 9 30 19 AM Page 60 2005 Mitchell Repair Information Company LLC ...

Page 112: ...ourtesy of MAZDA MOTORS CORP Fig 60 Roof Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 MAZDA CX 9 Microsoft Sunday November 15 2009 9 30 19 AM Page 61 2005 Mitchell Repair Information Company LLC ...

Page 113: ...Fig 61 Left Side Of Vehicle Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 MAZDA CX 9 Microsoft Sunday November 15 2009 9 30 19 AM Page 62 2005 Mitchell Repair Information Company LLC ...

Page 114: ...Fig 62 Left Side Of Vehicle Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 MAZDA CX 9 Microsoft Sunday November 15 2009 9 30 19 AM Page 63 2005 Mitchell Repair Information Company LLC ...

Page 115: ...ourtesy of MAZDA MOTORS CORP Fig 64 Left Rear Of Vehicle Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 MAZDA CX 9 Microsoft Sunday November 15 2009 9 30 19 AM Page 64 2005 Mitchell Repair Information Company LLC ...

Page 116: ...tesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE Emission System MZI 3 5 CX 9 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE Emission System MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 24 50 AM Page 1 2005 Mitchell Repair Information Company LLC Microsoft Sunday November 15 2009 9 24 54 AM Page 1 2005 Mitchell Repair Information Company LLC ...

Page 117: ...MOTORS CORP FUEL TANK SIDE 2WD Fig 3 Identifying Emission System Components 2WD Fuel Tank Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE Emission System MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 24 50 AM Page 2 2005 Mitchell Repair Information Company LLC ...

Page 118: ...D Fuel Tank Courtesy of MAZDA MOTORS CORP EMISSION SYSTEM DIAGRAM MZI 3 5 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE Emission System MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 24 50 AM Page 3 2005 Mitchell Repair Information Company LLC ...

Page 119: ...ble see BATTERY REMOVAL INSTALLATION MZI 3 5 2 Remove in the order indicated in the table 3 Install in the reverse order of removal NOTE z Remove the charcoal canister CV solenoid valve and air filter as a single unit 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE Emission System MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 24 50 AM Page 4 2005 Mitchell Repair Information Company LLC ...

Page 120: ...AIR FILTER COMPONENT REMOVAL INSTALLATION MZI 3 5 3 Plug the purge solenoid valve side of the charcoal canister 4 Pressurizing from the fuel tank side of the charcoal canister verify that there is no leak from the charcoal canister and that the CV solenoid valve is closed z If malfunction replace the charcoal canister CV solenoid valve air filter component See CHARCOAL CANISTER CANISTER VENT CV SO...

Page 121: ...ir filter side verify that the CV solenoid valve is open and that there is airflow through the air filter z If malfunction replace the charcoal canister CV solenoid valve air filter component See CHARCOAL CANISTER CANISTER VENT CV SOLENOID VALVE AIR FILTER COMPONENT REMOVAL INSTALLATION MZI 3 5 Fig 8 Identifying CV Solenoid Valve Connector Terminals Courtesy of MAZDA MOTORS CORP CV SOLENOID VALVE ...

Page 122: ...e terminal B and PCM terminal 1Z CV solenoid valve terminal A and battery Short circuit z If there is continuity there is a short circuit Repair or replace the wiring harness CV solenoid valve terminal B and power supply CV solenoid valve terminal B and body ground FUEL FILLER CAP INSPECTION MZI 3 5 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE Emission System MZI 3 5 CX 9 Microsoft Sunday...

Page 123: ...ght side of the tester 8 Turn the control valve to TEST position and press the START switch 9 After the 2 min countdown left display is completed the right display shows the total pressure loss for that period A 0 5 in of water loss is acceptable on the self test z If the loss is more than 0 5 in of water do one or more self test If the failed test repeats check for leak using the ultrasonic leak ...

Page 124: ...as leakage Replace it 8 Close the gas cylinder valve 9 Turn the control valve to the FILL position 10 Press the ON OFF switch to turn off the tester Fig 12 Identifying Fuel Cap Receiver Assembly Courtesy of MAZDA MOTORS CORP PURGE SOLENOID VALVE REMOVAL INSTALLATION MZI 3 5 1 Disconnect the negative battery cable see BATTERY REMOVAL INSTALLATION MZI 3 5 2 Remove in the order indicated in the table...

Page 125: ...pection z If not as specified in the table inspect the purge solenoid valve TERMINALS CONTINUITY CHART Fig 14 Identifying Purge Solenoid Valve Connector Terminals Courtesy of MAZDA MOTORS CORP CIRCUIT OPEN SHORT INSPECTION 1 Disconnect the PCM connector 2 Inspect the following wiring harness for an open or short circuit continuity check Measured condition Continuity between A B When voltage is not...

Page 126: ...OTORS CORP Fig 17 Identifying PCM Connector Terminals Courtesy of MAZDA MOTORS CORP Open circuit z If there is no continuity the circuit is open Repair or replace the harness 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE Emission System MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 24 50 AM Page 11 2005 Mitchell Repair Information Company LLC ...

Page 127: ...OVAL INSTALLATION MZI 3 5 1 Disconnect the negative battery cable see BATTERY REMOVAL INSTALLATION MZI 3 5 2 Remove in the order indicated in the table Fig 18 Identifying PCV Valve Hose PCV Valve Heater Control Connector And PCV Valve Courtesy of MAZDA MOTORS CORP 3 Install in the reverse order of removal CAUTION z A new PCV valve must be installed if removed from the cylinder head cover z Upon re...

Page 128: ...e battery cable see BATTERY REMOVAL INSTALLATION MZI 3 5 2 Remove the engine cover see ENGINE COVER REMOVAL INSTALLATION MZI 3 5 3 Disconnect the PCV valve heater control connector 4 Measure the resistance between the PCV valve heater control terminals z If within the specification perform out the Circuit Open Short Inspection z If not within the specification replace the PCV valve See POSITIVE CR...

Page 129: ...ig 20 Identifying PCV Valve Heater Control Connector Terminals Courtesy of MAZDA MOTORS CORP Fig 21 Identifying Relay Connector Terminals Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE Emission System MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 24 50 AM Page 14 2005 Mitchell Repair Information Company LLC ...

Page 130: ...terminal A and body ground PCV valve heater control terminal B and power supply PCV valve heater control terminal B and body ground POSITIVE CRANKCASE VENTILATION PCV VALVE HEATER FITTING REMOVAL INSTALLATION MZI 3 5 1 Disconnect the negative battery cable see BATTERY REMOVAL INSTALLATION MZI 3 5 2 Remove in the order indicated in the table Fig 23 Identifying PCV Valve Heater Fitting And Connector...

Page 131: ...on replace the PCV valve heater fitting See POSITIVE CRANKCASE VENTILATION PCV VALVE HEATER FITTING REMOVAL INSTALLATION MZI 3 5 PCV valve heater fitting resistance 10 35 ohms Fig 24 Identifying PCV Valve Heater Fitting Connector Terminals Courtesy of MAZDA MOTORS CORP CIRCUIT OPEN SHORT INSPECTION 1 Disconnect the PCM connector 2 Inspect the following wiring harnesses for open or short circuit co...

Page 132: ...y Connector Terminals Courtesy of MAZDA MOTORS CORP Fig 27 Identifying PCM Connector Terminals Courtesy of MAZDA MOTORS CORP Open circuit 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE Emission System MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 24 50 AM Page 17 2005 Mitchell Repair Information Company LLC ...

Page 133: ... 5 FUEL SHUT OFF VALVE INSPECTION MZI 3 5 1 Perform the fuel tank inspection see FUEL TANK INSPECTION MZI 3 5 QUICK RELEASE CONNECTOR EMISSION SYSTEM REMOVAL INSTALLATION MZI 3 5 NOTE z The rollover valve cannot be removed as it is built into the fuel tank NOTE z The rollover valve cannot be disassembled and inspected as it is built into the fuel tank NOTE z The fuel shut off valve cannot be remov...

Page 134: ...ar material to prevent it from scratches or dirt Fig 29 Identifying Type A Quick Release Connectors this always complete the Fuel Line Safety Procedure while referring to the BEFORE SERVICE PRECAUTION CAUTION z There are five types of quick release connectors Verify the type and location and install remove properly 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE Emission System MZI 3 5 CX 9 ...

Page 135: ...lar tool 2 Pull out the fuel hose straight from the fuel pipe and disconnect it 3 Cover the disconnected quick release connector and fuel pipe with vinyl sheeting or a similar material to prevent it from scratches or dirt NOTE z If the quick release connector is removed replace the retainer with a new one NOTE z The quick release connector can be removed by pushing the center of the retainer tabs ...

Page 136: ... it 3 Cover the disconnected quick release connector and fuel pipe with vinyl sheeting or a similar material to prevent it from scratches or dirt CAUTION z The quick release connector may be damaged if the release tab is bent excessively Do not expand the release tab over the stopper NOTE z The fuel hose can be removed by pushing it to the pipe side to release the lock 2007 Mazda CX 9 Grand Tourin...

Page 137: ...P TYPE A INSTALLATION 1 Inspect the fuel hose and fuel pipe sealing surface for damage and deformation z If there is any malfunction replace it with a new one 2 Connect the quick release connector CAUTION z The quick release connector may be damaged if the release tab is bent excessively Do not expand the release tab over the stopper NOTE z The fuel hose can be removed by pushing it to the pipe si...

Page 138: ...sure not to damage the connecting part between the charcoal canister and pipe and the locks between the quick release connector and retainer If any of them are damaged replace the charcoal canister or hose with a new one NOTE z If the quick release connector O ring is damaged or has slipped replace the fuel hose z A checker tab is integrated with the quick release connector for new fuel hoses and ...

Page 139: ...the fuel pipe further to the quick release connector 3 Lightly pull and push the quick release connector a few times by hand and then verify that it is connected securely Fig 37 Installing Quick Release Connector Courtesy of MAZDA MOTORS CORP TYPE D INSTALLATION NOTE z If the quick release connector O ring is damaged or has slipped replace the fuel hose NOTE z If the quick release connector O ring...

Page 140: ...nnector z Insert the fuel pipe straight to the end of the quick release connector z Push down the retainer using a finger If the retainer cannot be pushed down push the fuel pipe further to the quick release connector 3 Lightly pull and push the quick release connector a few times by hand and then verify that it is connected securely z A checker tab is integrated with the quick release connector f...

Page 141: ...End Of Quick Release Connector Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE Emission System MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 24 50 AM Page 26 2005 Mitchell Repair Information Company LLC ...

Page 142: ...7 ENGINE PERFORMANCE Control System MZI 3 5 CX 9 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE Control System MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 25 31 AM Page 1 2005 Mitchell Repair Information Company LLC Microsoft Sunday November 15 2009 9 25 39 AM Page 1 2005 Mitchell Repair Information Company LLC ...

Page 143: ...ts Courtesy of MAZDA MOTORS CORP CONTROL SYSTEM DIAGRAM MZI 3 5 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE Control System MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 25 31 AM Page 2 2005 Mitchell Repair Information Company LLC ...

Page 144: ... z PCM parameter reset see IMMOBILIZER SYSTEM COMPONENT REPLACEMENT KEY ADDITION AND CLEARING ADVANCED KEYLESS SYSTEM See IMMOBILIZER SYSTEM COMPONENT REPLACEMENT KEY ADDITION AND CLEARING KEYLESS ENTRY SYSTEM 7 Install in the reverse order of removal NOTE z For replace the PCM Setup the M MDS and perform the PCM configuration See PCM CONFIGURATION MZI 3 5 NOTE z Only 2 PCM connectors 2007 Mazda C...

Page 145: ... 6 Remove the cowl panel see COWL PANEL REMOVAL INSTALLATION 7 Remove the PCM connector still connected 8 Install the battery and battery tray see BATTERY REMOVAL INSTALLATION MZI 3 5 9 Connect the negative battery cable TYPICAL DIAGNOSTIC REFERENCE VALUES CAUTION z The PCM terminal voltage can vary with the conditions when measuring and changes due to aged deterioration on the vehicle causing fal...

Page 146: ... GENMN GFS 11 89 0 VBAT 50 VBAT 28 VBAT 25 DCV APP1 3 9 3 9 3 5 3 3 DCV APP2 1 6 1 7 1 8 2 1 DCV APP3 1 0 1 0 1 3 1 5 DCV FPM OFF ON ON ON ON OFF ACP 0 8 70 0 86 73 0 9 75 1 0 87 DCV psi MAF 0 0 7 1 4 1 5 DCV MAF SIGRTN 0 0 6 1 9 1 1 6 1 3 2 3 DCV IAT 80 K 50 K 37 K 34 K DEG F 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE Control System MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 25 3...

Page 147: ...S VBAT OFF VBAT ON A VBAT OFF VBAT OFF DCV ON OFF APP 3 9 0 0 22 APP_FLT NO FAULT NO FAULT NO FAULT NO FAULT FAULT NO FAULT CPP PNP NEUTRAL NEUTRAL DRIVE DRIVE NEUTRAL DRIVE ETC_ACT 7 56 1 27 6 22 12 74 DEG ETC_DSD 7 62 1 31 6 19 12 73 DEG ETC_TRIM 0 23 0 21 0 24 0 24 DEG FANVAR NO FAULT NO FAULT NO FAULT NO FAULT FAULT NO FAULT FLI 71 H 72 H 82 H 81 H LOAD 51 4 L 16 1 35 4 34 7 MISFIRE NO NO NO N...

Page 148: ...3 7 VBAT VBAT VBAT DCV INJ1 0 2 6 3 2 2 5 5 5 3 5 8 5 mS INJ3 0 2 6 3 2 2 5 5 5 3 5 8 5 mS INJ5 0 2 6 3 2 2 5 5 5 3 5 8 5 mS VCTADV 0 031 27 56 30 94 DEG VCTADV2 0 0 27 69 31 06 DEG HTR11 0 1 ON O 0 1 ON 0 1 ON 0 1 ON DCV ON OFF HTR21 0 1 ON 0 0 1 ON 0 1 ON 0 1 ON DCV ON OFF FANVAR 0 0 0 0 FANDC 7 5 7 5 7 5 7 5 FP ON OFF ON ON ON ON OFF LONGFT1 L 20 20 20 20 20 20 LONGFT2 L 20 20 20 20 20 20 MIL O...

Page 149: ...irections on the M MDS screen 5 Retrieve DTCs by the M MDS then verify that there is no DTC present z If a DTC is present perform the applicable DTC inspection Fig 5 Identifying DLC 2 Connector Courtesy of MAZDA MOTORS CORP POWER STEERING PRESSURE PSP SWITCH INSPECTION MZI 3 5 CONTINUITY INSPECTION VCTADVERR2 0 0 06 0 43 0 DEG Other Measured PID Values Units Measured PID KOEO Hot Idle 48 KM H 30MP...

Page 150: ...it Open Short Inspection CIRCUIT OPEN SHORT INSPECTION Fig 6 Identifying PSP Switch PCM Related Connector Terminals Courtesy of MAZDA MOTORS CORP 1 Disconnect the PCM connector See PCM REMOVAL INSTALLATION MZI 3 5 2 Inspect the following wiring harness for open or short Continuity inspection Open circuit z If there is no continuity the circuit is open Repair or replace the wiring harness PSP switc...

Page 151: ...ASS AIR FLOW MAF SENSOR INSPECTION MZI 3 5 VISUAL INSPECTION 1 Verify the following items of the MAF sensor z Damage cracks z Rusted sensor terminal z Bent sensor terminal If there is any malfunction replace the MAF sensor See MASS AIR FLOW MAF INTAKE AIR TEMPERATURE IAT SENSOR REMOVAL INSTALLATION MZI 3 5 NOTE z Before performing the following inspection make sure to follow the procedure as indic...

Page 152: ... monitor item status specification reference is not within the specification even though the resistance is within the specification perform the Circuit Open Short Inspection CIRCUIT OPEN SHORT INSPECTION Fig 8 Identifying MAF IAT Sensor PCM Related Connector Terminals Courtesy of MAZDA MOTORS CORP 1 Disconnect the PCM connector See PCM REMOVAL INSTALLATION MZI 3 5 2 Disconnect the MAF IAT sensor c...

Page 153: ...1 Disconnect the MAF IAT sensor connector 2 Measure the resistance between MAF IAT sensor terminals A and F z If not within the specification replace the MAF IAT sensor See MASS AIR FLOW MAF INTAKE AIR TEMPERATURE IAT SENSOR REMOVAL INSTALLATION MZI 3 5 z If the monitor item status specification reference is not within the specification even though the resistance is within the specification perfor...

Page 154: ...r characteristics graph reference Fig 10 IAT Sensor Characteristics Graph Courtesy of MAZDA MOTORS CORP CIRCUIT OPEN SHORT INSPECTION 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE Control System MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 25 31 AM Page 13 2005 Mitchell Repair Information Company LLC ...

Page 155: ... MAF IAT sensor terminal B and body ground MAF IAT sensor terminal F and PCM terminal 1AF Short circuit z If there is continuity the circuit is shorted Repair or replace the wiring harness MAF IAT sensor terminal B and power supply MAF IAT sensor terminal F and body ground MAF IAT sensor terminal F and power supply THROTTLE POSITION TP SENSOR INSPECTION MZI 3 5 2007 Mazda CX 9 Grand Touring 2007 E...

Page 156: ...hat the TP1 or TP2 PID voltage changes as shown in the following graph z If not verified perform the Circuit Open Short Inspection If there is no open or short circuit replace the throttle body see INTAKE AIR SYSTEM REMOVAL INSTALLATION MZI 3 5 Fig 13 Throttle Output Voltage Graph NOTE z Before performing the following inspection make sure to follow the procedure as indicated in the troubleshootin...

Page 157: ...inuity inspection Open circuit z If there is no continuity there is an open circuit Repair or replace the wiring harness Throttle body terminal C and PCM terminal 2AD Throttle body terminal D and PCM terminal 2D Throttle body terminal E and PCM terminal 2AH Throttle body terminal F and PCM terminal 2Z Short circuit 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE Control System MZI 3 5 CX 9 M...

Page 158: ...hange smoothly while throttle valve is gradually opened z If as verified go to next step z If not as verified perform the Circuit Open Short Inspection If there is no open or short circuit replace the throttle body 3 Verify that the PCM terminal 1AC 1AG and 1AK voltages are as shown in the following table Fig 15 Identifying PCM Connector 1 Terminals Courtesy of MAZDA MOTORS CORP NOTE z Before perf...

Page 159: ...MOTORS CORP 1 Disconnect the PCM connector See PCM REMOVAL INSTALLATION MZI 3 5 2 Inspect the following wiring harnesses for open or short circuit Continuity inspection Condition PCM terminal 1AK APP sensor No 1 PCM terminal 1AG APP sensor No 2 PCM terminal 1 AC APP sensor No 3 Accelerator pedal released Approx 4 1 V Approx 1 5 V Approx 0 1 V Accelerator pedal depressed Approx 1 0 V Approx 3 9 V A...

Page 160: ...ensor terminal D and body ground APP sensor terminal E and body ground APP sensor terminal E and power supply APP sensor terminal F and body ground APP sensor terminal G and power supply CRANKSHAFT POSITION CKP SENSOR REMOVAL INSTALLATION MZI 3 5 Fig 17 Identifying CKP Sensor NOTE z Disconnect the connector after the CKP sensor is removed to prevent the CKP sensor from falling off z The bolt and s...

Page 161: ...e the CKP sensor See CRANKSHAFT POSITION CKP SENSOR REMOVAL INSTALLATION MZI 3 5 2 Verify that there are no metal shavings on the CKP sensor 3 Install the CKP sensor See CRANKSHAFT POSITION CKP SENSOR REMOVAL INSTALLATION MZI 3 5 RESISTANCE INSPECTION 1 Remove the CKP sensor connector 2 Measure the resistance between the CKP sensor terminals NOTE z Before performing the following inspection make s...

Page 162: ...PEN SHORT INSPECTION Fig 19 Identifying CKP Sensor PCM Related Connector Terminals Courtesy of MAZDA MOTORS CORP 1 Disconnect the PCM connector See PCM REMOVAL INSTALLATION MZI 3 5 2 Inspect the following harness for open or short circuit Continuity check Open circuit z CKP sensor terminal A and PCM terminal 2P z CKP sensor terminal B and PCM terminal 2T Short circuit 2007 Mazda CX 9 Grand Touring...

Page 163: ... 4 Disconnect the CMP sensor connector 5 Remove the CMP sensor 6 Install in the reverse order of removal Fig 20 View Of CMP Sensor With Torque Specifications Courtesy of MAZDA MOTORS CORP CAMSHAFT POSITION CMP SENSOR INSPECTION MZI 3 5 NOTE z Lubricate the CMP O ring seal with clean engine oil NOTE z Before performing the following inspection make sure to follow the procedure as indicated in the t...

Page 164: ...terminals z If not within the specification replace the CMP sensor See CAMSHAFT POSITION CMP SENSOR REMOVAL INSTALLATION MZI 3 5 z If the monitor item status specification reference is not within the specification even though the resistance is within the specification perform the Circuit Open Short Inspection CMP sensor resistance 800 1 320 ohms CIRCUIT OPEN SHORT INSPECTION 2007 Mazda CX 9 Grand ...

Page 165: ...nd PCM terminal 2C z CMP sensor LH terminal A and PCM terminal 2AB z CMP sensor LH terminal B and PCM terminal 2C Short circuit z CMP sensor RH terminal A and power supply z CMP sensor RH terminal A and body ground z CMP sensor RH terminal B and power supply z CMP sensor LH terminal A and power supply z CMP sensor LH terminal A and body ground 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE ...

Page 166: ...AL INSTALLATION 1 Disconnect the negative battery cable 2 Remove the following part for easier access 1 Remove the cowl panel see COWL PANEL REMOVAL INSTALLATION 3 Disconnect the HO2S RH connector NOTE z If necessary lubricate the HO2S with Penetrating and Lock Lubricant loosen to aid in removal NOTE z Apply a light coat of anti seize lubricant to the threads of the HO2S NOTE z If necessary lubric...

Page 167: ...easing the accelerator pedal fully when the engine speed is 3 000 rpm or more 4 Verify that the front HO2S outputs a voltage of 0 6 V or more one time or more then verify that the front HO2S voltage PID O2S11 O2S21 is 0 3 V is or less while decelerating as shown in the figure NOTE z Apply a light coat of anti seize lubricant to the threads of the HO2S NOTE z Before performing the following inspect...

Page 168: ...HEATED OXYGEN SENSOR HO2S REMOVAL INSTALLATION MZI 3 5 HO2S HEATER RESISTANCE INSPECTION 1 Disconnect the HO2S connector 2 Measure the resistance between HO2S terminals C and A z If it is not within the specification replace the HO2S See FRONT HEATED OXYGEN SENSOR HO2S REMOVAL INSTALLATION MZI 3 5 z If the monitor item status specification reference is not within the specification even though the ...

Page 169: ...sconnect the PCM connector See PCM REMOVAL INSTALLATION MZI 3 5 2 Inspect the following wiring harness for open or short continuity check 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE Control System MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 25 31 AM Page 28 2005 Mitchell Repair Information Company LLC ...

Page 170: ...al 2Y HO2S RH terminal C and main relay No 2 terminal D HO2S RH terminal D and PCM terminal 2AL HO2S LH terminal A and PCM terminal 2E HO2S LH terminal B and PCM terminal 2U HO2S LH terminal C and main relay No 2 terminal D HO2S LH terminal D and PCM terminal 2AL Short circuit 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE Control System MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 25 3...

Page 171: ... and body ground HO2S LH terminal D and power supply REAR HEATED OXYGEN SENSOR HO2S REMOVAL INSTALLATION MZI 3 5 HO2S LH REMOVAL INSTALLATION 1 Disconnect the negative battery cable 2 Disconnect the HO2S LH connector 3 Remove the HO2S LH using the SST 4 Install in the reverse order of removal NOTE z If necessary lubricate the HO2S LH with Penetrating and Lock Lubricant loosen to aid in removal NOT...

Page 172: ... MZI 3 5 REAR HEATED OXYGEN SENSOR HO2S VOLTAGE INSPECTION 1 Warm up the engine to normal operating temperature 2 Using the M MDS monitor the following Vehicle speed PID VSS NOTE z If necessary lubricate the HO2S RH with Penetrating and Lock Lubricant loosen to aid in removal NOTE z Apply a light coat of anti seize lubricant to the threads of the HO2S NOTE z Before performing the following inspect...

Page 173: ...re is no malfunction in the wiring harness replace the rear HO2S See REAR HEATED OXYGEN SENSOR HO2S REMOVAL INSTALLATION MZI 3 5 HO2S HEATER RESISTANCE INSPECTION 1 Disconnect the HO2S connector 2 Measure the resistance between HO2S terminals C and A z If it is not within the specification replace the HO2S See REAR HEATED OXYGEN SENSOR HO2S REMOVAL INSTALLATION MZI 3 5 z If the monitor item status...

Page 174: ...ON 1 Disconnect the PCM connector See PCM REMOVAL INSTALLATION MZI 3 5 2 Inspect the following wiring harness for open or short continuity check 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE Control System MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 25 31 AM Page 33 2005 Mitchell Repair Information Company LLC ...

Page 175: ...al 2BG HO2S RH terminal C and main relay No 2 terminal D HO2S RH terminal D and PCM terminal 2AL HO2S LH terminal A and PCM terminal 2AO HO2S LH terminal B and PCM terminal 2BC HO2S LH terminal C and main relay No 2 terminal D HO2S LH terminal D and PCM terminal 2AL Short circuit 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE Control System MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 2...

Page 176: ...old 1 Remove the ventilation hose see QUICK RELEASE CONNECTOR EMISSION SYSTEM REMOVAL INSTALLATION MZI 3 5 2 Remove the vacuum hose to purge solenoid valve see QUICK RELEASE CONNECTOR EMISSION SYSTEM REMOVAL INSTALLATION MZI 3 5 3 Remove the fuel hose see QUICK RELEASE CONNECTOR FUEL SYSTEM REMOVAL INSTALLATION MZI 3 5 4 Remove the fuel distributor see FUEL INJECTOR REMOVAL INSTALLATION MZI 3 5 5 ...

Page 177: ...ORS CORP KNOCK SENSOR KS INSPECTION MZI 3 5 NOTE z Before performing the following inspection make sure to follow the procedure as indicated in the troubleshooting flowchart see HOW TO USE THIS MANUAL 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE Control System MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 25 31 AM Page 36 2005 Mitchell Repair Information Company LLC ...

Page 178: ... If the KS is normal but PID value is out of specification perform the Circuit Open Short Inspection KS resistance 4 39 5 35 Mohms CIRCUIT OPEN SHORT INSPECTION Fig 34 Identifying KS Sensor PCM Related Connector Terminals Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE Control System MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 25 31 AM Page 37 2005 Mitchell...

Page 179: ...ower supply KS terminal D and body ground CYLINDER HEAD TEMPERATURE CHT SENSOR REMOVAL INSTALLATION MZI 3 5 1 Disconnect the negative battery cable 2 Remove the following part for easier access Perform the following procedure to remove the intake manifold 1 Remove the ventilation hose see QUICK RELEASE CONNECTOR EMISSION SYSTEM REMOVAL INSTALLATION MZI 3 5 2 Remove the vacuum hose to purge solenoi...

Page 180: ...rque wrench 3 8 Drive Fig 35 Identifying CHT Sensor Connector Courtesy of MAZDA MOTORS CORP 6 Install in the reverse order of removal Tightening torque 10 N m 102 kgf cm 89 in lbf Fig 36 Installing CHT Sensor Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE Control System MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 25 31 AM Page 39 2005 Mitchell Repair Infor...

Page 181: ...sistance approx CYLINDER HEAD TEMPERATURE SENSOR RESISTANCE REFERENCE Cylinder head temperature sensor characteristics graph reference Fig 37 Cylinder Head Temperature Sensor Characteristics Graph Courtesy of MAZDA MOTORS CORP CIRCUIT OPEN SHORT INSPECTION NOTE z Before performing the following inspection make sure to follow the procedure as indicated in the troubleshooting flowchart see HOW TO US...

Page 182: ...or replace the wiring harness CHT sensor terminal A and PCM terminal 2AL CHT sensor terminal B and PCM terminal 2AN Short circuit z If there is continuity the circuit is shorted Repair or replace the wiring harness CHT sensor terminal A and power supply CHT sensor terminal A and body ground CHT sensor terminal B and power supply 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE Control System ...

Page 183: ...ALLATION MZI 3 5 z If the monitor item status specification reference is not within the specification even though the resistance is within the specification perform the Circuit Open Short Inspection CIRCUIT OPEN SHORT INSPECTION Fig 39 Identifying Fuel Tank Pressure Sensor PCM Related Connector Terminals Courtesy of MAZDA MOTORS CORP 1 Disconnect the PCM connector See PCM REMOVAL INSTALLATION MZI ...

Page 184: ...uit z If there is continuity the circuit is shorted Repair or replace the wiring harness Fuel tank pressure sensor terminal A and power supply Fuel tank pressure sensor terminal A and body ground Fuel tank pressure sensor terminal B and power supply Fuel tank pressure sensor terminal C and body ground 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE Control System MZI 3 5 CX 9 Microsoft Sunda...

Page 185: ...t set 1 49 L017 5A0 2 Support hanger 1 49 UN01 002 2 303 102 Crankshaft damper replacer 1 49 G028 203 2 1 49 UN30 3D1210 2007 Mazda CX 9 Grand Touring 2007 ENGINE Service Tools Engine MZI 3 5 CX 9 2007 Mazda CX 9 Grand Touring 2007 ENGINE Service Tools Engine MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 20 35 AM Page 1 2005 Mitchell Repair Information Company LLC Microsoft Sunday November 15 2...

Page 186: ...01 2 Oil seal installer 1 49 UN30 312480 2 303 1248 Hold 1 49 W011 101 2 1 49 UN30 312523 2 Installer Component part of 49 UN30 1 49 UN30 312521 2 2007 Mazda CX 9 Grand Touring 2007 ENGINE Service Tools Engine MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 20 35 AM Page 2 2005 Mitchell Repair Information Company LLC ...

Page 187: ...18 001 2 O2 sensor wrench 1 49 0107 680A 2 Engine stand 1 49 L010 1A0 2 Engine hanger set 1 49 0187 280A 2 Oil pressure gauge 1 49 T018 006 2 1 49 T018 007 1 49 9200 145 2007 Mazda CX 9 Grand Touring 2007 ENGINE Service Tools Engine MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 20 35 AM Page 3 2005 Mitchell Repair Information Company LLC ...

Page 188: ...l pressure gauge Component part of 49 N013 1A0D 1 2 134 01049 Evaporative emission system tester 2007 Mazda CX 9 Grand Touring 2007 ENGINE Service Tools Engine MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 20 35 AM Page 4 2005 Mitchell Repair Information Company LLC ...

Page 189: ...lmp qt Cooling system cap valve opening pressure 93 2 122 6 kPa 0 95 1 25 kgf cm2 13 5 17 8 psi Thermostat initial opening temperature 79 5 83 3 C 175 2 181 9 F Thermostat full open temperature 94 5 C 202 1 F Thermostat full open lift More than 8 1 mm 0 32 in Cooling fan motor standard current Single fan control module No 1 No 2 11 2 15 2 A Cooling fan motor standard current Dual fan control modul...

Page 190: ...enerator brush spring force Standard 4 1 5 3 N 0 42 0 54 kgf 0 92 1 19 lbf Minimum 1 7 N 0 17 kgf 0 38 lbf Ignition coil secondary coil resistance 5 6 kilohms Item Specification Firing order 1 4 2 5 3 6 Spark plug type ZZJ1 18 110 Spark plug gap 1 29 1 45 mm 0 051 0 057 in Spark plug resistance 2 20 kilohms Starter no load test voltage 11 V Starter no load test current 90 A or less Starter pinion ...

Page 191: ... spring force Standard 15 0 20 4 N 1 53 2 08 kgf 3 38 4 58 lbf Minimum 2 75 N 0 28 kgf 0 62 lbf Item U S A and CANADA Except U S A and CANADA Engine oil grade API SM or ILSAC Engine oil viscosity 5W 20 2007 Mazda CX 9 Grand Touring 2007 ENGINE Technical Data MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 21 18 AM Page 3 2005 Mitchell Repair Information Company LLC ...

Page 192: ...ng 2007 ENGINE Mechanical MZI 3 5 CX 9 2007 Mazda CX 9 Grand Touring 2007 ENGINE Mechanical MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 19 27 AM Page 1 2005 Mitchell Repair Information Company LLC Microsoft Sunday November 15 2009 9 19 32 AM Page 1 2005 Mitchell Repair Information Company LLC ...

Page 193: ...nents Courtesy of MAZDA MOTORS CORP ENGINE COVER REMOVAL INSTALLATION MZI 3 5 2007 Mazda CX 9 Grand Touring 2007 ENGINE Mechanical MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 19 27 AM Page 2 2005 Mitchell Repair Information Company LLC ...

Page 194: ...OVAL INSTALLATION MZI 3 5 2 Visually inspect the generator and A C drive belt for damage and cracks z If there is generator and A C drive belt damage and cracks replace the generator and A C drive belt See DRIVE BELT REMOVAL INSTALLATION MZI 3 5 NOTE z Firmly pull the engine cover near the locations shown to disengage the retainers NOTE z The generator and A C drive belt deflection tension inspect...

Page 195: ... INSTALLATION MZI 3 5 2 Remove the front wheel and tire RH see GENERAL PROCEDURES SUSPENSION 3 Remove the splash shield RH 4 Set a breaker bar on the center of the tensioner pulley as shown 5 Using the breaker bar turn the center of the tensioner pulley clockwise to release the tension on the generator and A C drive belt 6 Remove the generator and A C drive belt NOTE z When removing the generator ...

Page 196: ...replace the generator and A C drive belt 9 Install the splash shield RH 10 Install the front wheel and tire RH see GENERAL PROCEDURES SUSPENSION 11 Install the engine cover See ENGINE COVER REMOVAL INSTALLATION MZI 3 5 NOTE z When the generator and A C drive belt is replaced with a new one the drive belt auto tensioner indicator mark is aligned with the nominal belt length mark 2007 Mazda CX 9 Gra...

Page 197: ...power steering oil pump pulley 2 Turn the crankshaft clockwise to remove the power steering oil pump drive belt NOTE z Hold the SST by hand until it is lodges between the power steering oil pump pulley and power steering oil pump drive belt NOTE z If there is power steering oil pump drive belt damage and cracks replace the power steering oil pump drive belt 2007 Mazda CX 9 Grand Touring 2007 ENGIN...

Page 198: ...il pump pulley with the clamp adapter in one of the holes of the pulley 3 Tighten the clamp adapter nut by hand NOTE z There is no need to remove the clamp adapter nut completely when positioning the SST on the power steering oil pump pulley NOTE z Hand tightening of the clamp adapter nut is sufficient 2007 Mazda CX 9 Grand Touring 2007 ENGINE Mechanical MZI 3 5 CX 9 Microsoft Sunday November 15 2...

Page 199: ...Power Steering Oil Pump Drive Belt Using SST Courtesy of MAZDA MOTORS CORP NOTE z Hold the SST and power steering oil pump drive belt by hand until the power steering oil pump drive belt is properly seated NOTE z Verify that the power steering oil pump drive belt is firmly attached to the pulleys 2007 Mazda CX 9 Grand Touring 2007 ENGINE Mechanical MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 ...

Page 200: ...e ENGINE COVER REMOVAL INSTALLATION MZI 3 5 2 Remove the front wheel and tire RH see GENERAL PROCEDURES SUSPENSION 3 Remove the splash shield RH 4 Remove the generator and A C drive belt See DRIVE BELT REMOVAL INSTALLATION MZI 3 5 5 Verify that the drive belt auto tensioner moves smoothly in the operational direction z Replace the drive belt auto tensioner if necessary Tightening torque 8 9 12 1 N...

Page 201: ...esonance chamber see INTAKE AIR SYSTEM REMOVAL INSTALLATION MZI 3 5 5 Remove the dynamic chamber and throttle body as a single unit see INTAKE AIR SYSTEM REMOVAL INSTALLATION MZI 3 5 6 Disconnect the wiring harness 7 Remove the ignition coils see IGNITION COIL REMOVAL INSTALLATION MZI 3 5 8 Remove the dipstick 9 Remove the cylinder head cover See TIMING CHAIN REMOVAL INSTALLATION MZI 3 5 10 Remove...

Page 202: ...t is not within the specification replace the tappet and adjust the valve clearance to the median value of the standard Standard valve clearance Engine cold IN 0 150 0 250 mm 6 00591 0 00984 in EX 0 300 0 400 mm 0 0119 0 0157 in NOTE z Make sure to note down the measured values for choosing the suitable replacement tappets 2007 Mazda CX 9 Grand Touring 2007 ENGINE Mechanical MZI 3 5 CX 9 Microsoft...

Page 203: ...is not within the specification replace the tappet and adjust the valve clearance to the median value of the standard Standard valve clearance Engine cold IN 0 150 0 250 mm 0 00591 0 00984 in EX 0 300 0 400 mm 0 0119 0 0157 in 13 Install in the reverse order of removal NOTE z Make sure to note down the measured values for choosing the suitable replacement tappets 2007 Mazda CX 9 Grand Touring 2007...

Page 204: ...val COMPRESSION INSPECTION MZI 3 5 1 Verify that the battery is fully charged z Recharge it if necessary see BATTERY INSPECTION MZI 3 5 2 Warm up the engine to the normal operating temperature WARNING z Hot engines and oil can cause severe burns Turn off the engine and wait until they are cool z Fuel vapor is hazardous It can very easily ignite causing serious injury and damage Always keep sparks ...

Page 205: ...st reading Refer to COMPRESSION PRESSURE LIMIT CHART z If the compression in one or more cylinders is low or the compression difference between cylinders exceeds the maximum pour a small amount of clean engine oil into the cylinder and recheck the compression If the compression increases the piston the piston rings or cylinder wall may be worn and overhaul is required If the compression stays low ...

Page 206: ... 9 21 131 1 407 14 34 204 1 055 10 76 153 1 055 10 75 153 1 207 12 31 175 1 007 10 26 146 758 7 73 110 1 214 12 37 176 910 9 28 132 1 420 14 47 206 1 062 10 83 154 1 627 16 58 154 1 220 12 44 177 1 020 10 39 148 765 7 80 111 1 227 12 50 178 917 9 35 133 1 434 14 61 208 1 075 10 96 156 1 641 16 72 238 1 227 12 51 178 1 034 10 54 150 779 7 94 113 1 241 12 65 180 931 9 49 135 1 448 14 76 210 1 083 10...

Page 207: ...118 188 141 218 163 248 186 1 103 11 24 160 827 8 43 120 1 310 13 35 190 979 9 98 142 1 517 15 46 220 1 138 11 60 165 1 724 17 57 250 1 289 13 14 187 1 110 11 31 161 834 8 50 121 1 324 13 49 192 993 10 2 144 1 631 16 62 222 1 145 11 67 166 WARNING z Fuel vapor is hazardous It can very easily ignite causing serious injury and damage Always keep sparks and flames away from fuel z Fuel line spills an...

Page 208: ...1 Inspect the runout and contact on the pulley and belt 2 Inspect for engine oil engine coolant ATF power steering fluid and fuel leakage 3 Verify the ignition timing idle speed and idle mixture See ENGINE TUNE UP MZI 3 5 4 Engine accessories operation 12 Perform a road test Fig 16 Lifting Engine Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 ENGINE Mechanical MZI 3 5 CX 9 Micros...

Page 209: ...A MOTORS CORP CRANKSHAFT PULLEY LOCK BOLT REMOVAL NOTE 1 Remove the starter see STARTER REMOVAL INSTALLATION MZI 3 5 2007 Mazda CX 9 Grand Touring 2007 ENGINE Mechanical MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 19 27 AM Page 18 2005 Mitchell Repair Information Company LLC ...

Page 210: ...table spacer thickness approx 14 mm 0 55 in diameter approx 30 mm 1 18 in similar to front shock absorber lower nut to the crankshaft pulley lock bolt and install the crankshaft pulley lock bolt to the crankshaft Fig 19 Identifying Crankshaft Pulley Lock Bolt Courtesy of MAZDA MOTORS CORP 2 Remove the crankshaft pulley using the SST 3 Remove the crankshaft pulley lock bolt and spacer 2007 Mazda CX...

Page 211: ...head screwdriver as shown Fig 21 Removing Front Oil Seal Courtesy of MAZDA MOTORS CORP CYLINDER HEAD COVER REMOVAL NOTE 1 Remove the cylinder head cover bolts in the order shown RH 2007 Mazda CX 9 Grand Touring 2007 ENGINE Mechanical MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 19 27 AM Page 20 2005 Mitchell Repair Information Company LLC ...

Page 212: ...s and spark plug tube attachment hole seals using the SSTs and hammer NOTE z Inspect the OCV attachment hole seals and spark plug tube attachment hole seals Remove the any damaged seals z The OCV attachment hole seals removal is shown the spark plug tube attachment hole seals removal procedure is the same 2007 Mazda CX 9 Grand Touring 2007 ENGINE Mechanical MZI 3 5 CX 9 Microsoft Sunday November 1...

Page 213: ...nt Bolt Removal Sequence Courtesy of MAZDA MOTORS CORP 2 Install 4 of the engine front cover bolts finger tightened into the 4 threaded holes in the engine front cover 1 Tighten the bolts one turn at a time in a crisscross pattern until the engine front cover to cylinder block seal is released 2 Remove the engine front cover 2007 Mazda CX 9 Grand Touring 2007 ENGINE Mechanical MZI 3 5 CX 9 Microso...

Page 214: ... in the order shown in the figure RH Fig 27 Identifying OCV Bolt Location RH Removal Sequence Courtesy of MAZDA MOTORS CORP LH Fig 28 Identifying OCV Bolt Location LH Removal Sequence 2007 Mazda CX 9 Grand Touring 2007 ENGINE Mechanical MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 19 27 AM Page 23 2005 Mitchell Repair Information Company LLC ...

Page 215: ...ankshaft counterclockwise The timing chains may bind causing engine damage NOTE z Verify that there are timing marks in three locations Yellow 1 Black 2 on the timing chain If any timing marks are missing mark the timing chain z When marking the crankshaft sprocket side timing chain change the mark color z When the timing chain is replaced with a new one mark the new timing chain at the same posit...

Page 216: ...uide 5 Crankshaft sprocket Fig 31 Identifying Chain Tensioner Timing Chain Tensioner Arm Chain Guide And Crankshaft Sprocket Removal Sequence Courtesy of MAZDA MOTORS CORP OCV COMPONENT INSTALLATION NOTE 2007 Mazda CX 9 Grand Touring 2007 ENGINE Mechanical MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 19 27 AM Page 25 2005 Mitchell Repair Information Company LLC ...

Page 217: ... of MAZDA MOTORS CORP TIMING CHAIN COMPONENT INSTALLATION NOTE 1 Verify that the crankshaft keyway is at 11 o clock position NOTE z Of the three marked locations on the timing chain align the mark that has a different color to the crankshaft sprocket side timing mark 2007 Mazda CX 9 Grand Touring 2007 ENGINE Mechanical MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 19 27 AM Page 26 2005 Mitchell...

Page 218: ... Courtesy of MAZDA MOTORS CORP 3 Push down the link plate of the timing chain tensioner and release the plunger lock NOTE z The plunger should retract with minimal force If binding occurs remove the chain tensioner from the vise and reset it in the vise 2007 Mazda CX 9 Grand Touring 2007 ENGINE Mechanical MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 19 27 AM Page 27 2005 Mitchell Repair Inform...

Page 219: ... move the plunger back and forth 2 3 mm 0 08 0 11 in Fig 37 Pressing Plunger Back Courtesy of MAZDA MOTORS CORP 6 Insert an approx 1 5 mm 0 059 in thick wire or paper clip where the link plate hole and the tensioner body hole overlap to fix the link plate and lock the plunger Fig 38 Inserting Thick Wire Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 ENGINE Mechanical MZI 3 5 CX 9...

Page 220: ...9 Identifying Crankshaft Sprocket Chain Guide Tensioner Arm Timing Chain And Chain Tensioner Installation Sequence Courtesy of MAZDA MOTORS CORP 8 Remove the retaining wire Fig 40 Identifying Retaining Wire Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 ENGINE Mechanical MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 19 27 AM Page 29 2005 Mitchell Repair Information Company LLC...

Page 221: ...ount bracket installation bolts in 4 steps in the order shown in the figure Tightening torque TIGHTENING TORQUE SPECIFICATION CAUTION z Install the engine front cover and No 3 engine mount bracket installation bolts within 10 min of applying the silicone sealant Step Installation position Tightening torque 1 1 6 10 N m 102 kgf cm 89 in lbf 2 7 9 15 N m 1 5 kgf m 11 ft lbf 3 1 6 20 28 N m 2 1 2 8 k...

Page 222: ...hten to 10 N m 102 kgf cm 89 in lbf 2 Tighten to 20 28 N m 2 1 2 8 kgf m 15 20 ft lbf Fig 43 Identifying Engine Front Cover Bolt Tightening Sequence Courtesy of MAZDA MOTORS CORP CAUTION z Install the engine front cover installation bolts within 60 min of applying the silicone sealant 2007 Mazda CX 9 Grand Touring 2007 ENGINE Mechanical MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 19 27 AM Pag...

Page 223: ...tesy of MAZDA MOTORS CORP CYLINDER HEAD COVER INSTALLATION NOTE 1 Apply silicone sealant Loctite 5900 to the mating faces as shown RH Fig 45 Applying Silicone Sealant To Cylinder Head Cover RH Courtesy of MAZDA MOTORS CORP LH NOTE z Installation of new seals is only required if damaged seals were removed during disassembly of the engine 2007 Mazda CX 9 Grand Touring 2007 ENGINE Mechanical MZI 3 5 ...

Page 224: ...er Head Cover Bolt RH Tightening Sequence Courtesy of MAZDA MOTORS CORP LH Tightening torque 8 5 11 5 N m 87 117 kgf cm 76 101 in lbf CAUTION z Install the cylinder head cover installation bolt and studs within 5 min of applying the silicone sealant 2007 Mazda CX 9 Grand Touring 2007 ENGINE Mechanical MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 19 27 AM Page 33 2005 Mitchell Repair Informatio...

Page 225: ...uter diameter 58 70 mm 2 3 2 7 in Inner diameter 56 58 mm 2 3 2 2 in Tube with board thickness 2 mm 0 079 in or more Fig 49 Installing Front Oil Seal Using SST Courtesy of MAZDA MOTORS CORP CRANKSHAFT PULLEY INSTALLATION NOTE NOTE z Apply clean engine oil to the front oil seal bore in the engine front cover 2007 Mazda CX 9 Grand Touring 2007 ENGINE Mechanical MZI 3 5 CX 9 Microsoft Sunday November...

Page 226: ...ted in the figure to lock the crankshaft rotation 2 Tighten the new crankshaft pulley lock bolt in four steps 1 Tighten to 120 N m 12 2 kgf m 88 5 ft lbf 2 Loosen 360 one full turn in reverse order 3 Tighten to 47 53 N m 4 8 5 4 kgf m 35 39 ft lbf 4 Tighten 85 95 3 Install the starter see STARTER REMOVAL INSTALLATION MZI 3 5 NOTE z Lubricate the contact surface exterior area of inner diameter of t...

Page 227: ...age Always keep sparks and flames away from fuel z Fuel line spills and leakage are dangerous Fuel can ignite and cause serious injures or death and damage Fuel can also irritate skin and eyes To prevent this always complete the Fuel Line Safety Procedure see BEFORE REPAIR PROCEDURE MZI 3 5 z Continuous exposure to USED engine oil has caused skin cancer in laboratory mice Protect your skin by wash...

Page 228: ...TIMING CHAIN REMOVAL INSTALLATION procedure and removal the timing chain See TIMING CHAIN REMOVAL INSTALLATION MZI 3 5 15 Remove in the order indicated in the table 16 Install in the reverse order of removal 17 Start the engine and 1 Inspect the runout and contact on the pulley and belt 2 Inspect for engine oil engine coolant ATF power steering fluid and fuel leakage 3 Verify the ignition timing i...

Page 229: ... o clock position This will position the No 1 cylinder at TDC CAUTION z Do not rotate the crankshaft counterclockwise The timing chains may bind causing engine damage NOTE z Verify that there are timing marks in three locations Yellow 1 Black 2007 Mazda CX 9 Grand Touring 2007 ENGINE Mechanical MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 19 27 AM Page 38 2005 Mitchell Repair Information Compa...

Page 230: ...en the timing chain is replaced with a new one mark the new timing chain at the same positions as the removed timing chain NOTE z Verify that there are timing marks in two locations on the camshaft timing chain If any timing marks are missing mark the camshaft timing chain z If replacing with a new camshaft timing chain place alignment marks in the same positions as those prior to the replacement ...

Page 231: ...with each of the camshaft sprocket on both banks LH Fig 56 Identifying Marks On Camshaft Timing Chain LH Courtesy of MAZDA MOTORS CORP RH 2007 Mazda CX 9 Grand Touring 2007 ENGINE Mechanical MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 19 27 AM Page 40 2005 Mitchell Repair Information Company LLC ...

Page 232: ...ve the timing chain in the following order 1 Chain tensioner 2 Timing chain 3 Tensioner arm 4 Chain guide 5 Crankshaft sprocket 2007 Mazda CX 9 Grand Touring 2007 ENGINE Mechanical MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 19 27 AM Page 41 2005 Mitchell Repair Information Company LLC ...

Page 233: ...nsioner LH shown in the figure to hold the tensioner piston Fig 60 Inserting Wire Into Camshaft Timing Chain Tensioner Courtesy of MAZDA MOTORS CORP 8 Verify that the camshafts LH are in the neutral position NOTE z When the timing chain removed valve spring pressure will rotate the camshaft LH approx 3 to a neutral position NOTE z The cylinder head and the camshaft bearing caps are numbered to mak...

Page 234: ...mshaft timing chain and camshaft timing chain tensioner of the LH bank as a single unit 11 Slowly compress the camshaft timing chain tensioner RH piston by hand 12 Insert an approx 1 0 mm 0 039 in thin wire or paper clip into the camshaft timing chain tensioner RH shown in the figure to hold the tensioner piston removed from Do not mix the caps 2007 Mazda CX 9 Grand Touring 2007 ENGINE Mechanical ...

Page 235: ...4 Placing Camshaft In Neutral Position Courtesy of MAZDA MOTORS CORP NOTE z The cylinder head and the camshaft bearing caps are numbered to make sure they are reassembled in their original position When removed keep the bearing caps with the cylinder head they were removed from Do not mix the caps 2007 Mazda CX 9 Grand Touring 2007 ENGINE Mechanical MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9...

Page 236: ...OTORS CORP 15 Remove the camshaft camshaft sprocket camshaft timing chain and camshaft timing chain tensioner of the RH bank as a single unit CYLINDER HEAD REMOVAL NOTE 1 Loosen the cylinder head bolts in several passes in the order shown Fig 67 Identifying Cylinder Head Bolt Removal Sequence 2007 Mazda CX 9 Grand Touring 2007 ENGINE Mechanical MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 19 2...

Page 237: ...MPONENT INSTALLATION NOTE NOTE z The cylinder head bolts must be replaced with new bolts The bolts are torque to yield designed and cannot be reused Step Installation position Tightening torque 1 1 16 20 N m 2 0 kgf m 15 ft lbf 2 1 16 35 N m 3 6 kgf m 26 ft lbf 3 1 16 90 4 1 16 90 5 1 16 90 6 17 18 8 5 11 5 N m 87 117 kgf cm 76 101 in lbf 2007 Mazda CX 9 Grand Touring 2007 ENGINE Mechanical MZI 3 ...

Page 238: ...ets RH RH Fig 69 Aligning Colored Links On Camshaft Timing Chain With Marks On Camshaft Sprockets Courtesy of MAZDA MOTORS CORP 2 Position the camshaft component onto the cylinder head RH in the neutral position as shown NOTE z Install the camshaft camshaft sprocket and camshaft timing chain of the both bank as a single unit 2007 Mazda CX 9 Grand Touring 2007 ENGINE Mechanical MZI 3 5 CX 9 Microso...

Page 239: ...veral passes Tightening torque 8 5 11 5 N m 87 117 kgf cm 76 101 in lbf Fig 71 Identifying RH Camshaft Cap Bolt Tightening Sequence Courtesy of MAZDA MOTORS CORP 4 Remove the retaining wire inserted into the camshaft timing chain tensioner RH 2007 Mazda CX 9 Grand Touring 2007 ENGINE Mechanical MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 19 27 AM Page 48 2005 Mitchell Repair Information Compa...

Page 240: ...aft Sprocket Courtesy of MAZDA MOTORS CORP Fig 74 Identifying Timing Mark Courtesy of MAZDA MOTORS CORP 3 Install the camshaft component LH 1 Install the camshaft timing chain by aligning the colored links on the camshaft timing chain with the marks on the camshaft sprockets LH LH 2007 Mazda CX 9 Grand Touring 2007 ENGINE Mechanical MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 19 27 AM Page 49...

Page 241: ...6 Identifying LH Timing Mark Courtesy of MAZDA MOTORS CORP 3 Install the LH bank camshaft caps and temporarily tighten the camshaft cap bolts evenly in the order shown in several passes Tightening torque 8 5 11 5 N m 87 117 kgf cm 76 101 in lbf 2007 Mazda CX 9 Grand Touring 2007 ENGINE Mechanical MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 19 27 AM Page 50 2005 Mitchell Repair Information Com...

Page 242: ...ise so that the crankshaft keyway is in the 11 o clock position This will position the No 1 cylinder at TDC 5 Follow the TIMING CHAIN REMOVAL INSTALLATION procedure and install the timing chain See TIMING CHAIN REMOVAL INSTALLATION MZI 3 5 Fig 79 View Of Crankshaft Keyway At 11 O Clock Position Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 ENGINE Mechanical MZI 3 5 CX 9 Microsof...

Page 243: ...r LH lower side bolts position and secure the wheel hub and steering knuckle component LH out of the way with a rope or wire see FRONT SHOCK ABSORBER AND SPRING REMOVAL INSTALLATION 10 Disconnect the front drive shaft RH from the joint shaft side see FRONT DRIVE SHAFT REMOVAL INSTALLATION 11 Remove the front pipe and middle pipe as a single unit see EXHAUST SYSTEM REMOVAL INSTALLATION MZI 3 5 12 P...

Page 244: ...ification Courtesy of MAZDA MOTORS CORP CRANKSHAFT PULLEY LOCK BOLT REMOVAL NOTE 1 Remove the cover as shown in the figure 2007 Mazda CX 9 Grand Touring 2007 ENGINE Mechanical MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 19 27 AM Page 53 2005 Mitchell Repair Information Company LLC ...

Page 245: ...haft rotation 3 Remove the crankshaft pulley lock bolt and washer Fig 82 Identifying Drive Plate Bolt Courtesy of MAZDA MOTORS CORP No 3 Engine Mount Removal Note 1 Loosen the No 1 engine mount bolt C 2007 Mazda CX 9 Grand Touring 2007 ENGINE Mechanical MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 19 27 AM Page 54 2005 Mitchell Repair Information Company LLC ...

Page 246: ...dshield wiper arm and blade see WINDSHIELD WIPER ARM AND BLADE REMOVAL INSTALLATION 2 The cowl grille see COWL GRILLE REMOVAL INSTALLATION 3 The cowl panel see COWL PANEL REMOVAL INSTALLATION 4 The air cleaner see INTAKE AIR SYSTEM REMOVAL INSTALLATION MZI 3 5 5 The front cooler pipe installation bolt position the front cooler pipe out of the way NOTE z Do not remove the No 1 engine mount rubber f...

Page 247: ...re 2 Install the left rear shaft of the SST to the bolt of the left shock absorber Identical position to the right side CAUTION z Refer to the SST instruction manual for the basic handing procedure NOTE z When installing the SST adjust the position of each shaft so that they do not interfere with the vehicle body 2007 Mazda CX 9 Grand Touring 2007 ENGINE Mechanical MZI 3 5 CX 9 Microsoft Sunday No...

Page 248: ...of the SST side bars so that they are the same height left and right and horizontal 5 Make sure each joint is securely tightened Fig 88 Positioning Of SST Courtesy of MAZDA MOTORS CORP 6 Support the engine using the SSTs 7 Remove the No 3 engine mount 2007 Mazda CX 9 Grand Touring 2007 ENGINE Mechanical MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 19 27 AM Page 57 2005 Mitchell Repair Informat...

Page 249: ...iameter approx 30 mm 1 18 in similar to front shock absorber lower nut to the crankshaft pulley lock bolt and install the crankshaft pulley lock bolt to the crankshaft Fig 90 Identifying Crankshaft Pulley Lock Bolt Courtesy of MAZDA MOTORS CORP 3 Remove the crankshaft pulley using the SST 4 Remove the crankshaft pulley lock bolt and spacer 2007 Mazda CX 9 Grand Touring 2007 ENGINE Mechanical MZI 3...

Page 250: ... seal slightly in by hand 2 Tap the front oil seal in evenly using the SST and a hammer Substitution SST z 49 G028 203 Outer diameter 58 70 mm 2 3 2 7 in Inner diameter 56 58 mm 2 3 2 2 in Tube with board thickness 2 mm 0 079 in or more NOTE z Apply clean engine oil to the front oil seal bore in the engine front cover 2007 Mazda CX 9 Grand Touring 2007 ENGINE Mechanical MZI 3 5 CX 9 Microsoft Sund...

Page 251: ...shaft Pulley Washer And SST Courtesy of MAZDA MOTORS CORP 2 Tighten the SST nut and install the crankshaft pulley NOTE z Lubricate the contact surface exterior area of inner diameter of the front oil seal with clean engine oil 2007 Mazda CX 9 Grand Touring 2007 ENGINE Mechanical MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 19 27 AM Page 60 2005 Mitchell Repair Information Company LLC ...

Page 252: ... the order of A B Fig 96 Identifying Engine Mount No 1 Bracket Bolts A And B Courtesy of MAZDA MOTORS CORP 3 Tighten the No 1 engine mount bolt C at the specified torque No 1 engine mount through bolt tightening torque 93 1 116 6 N m 9 50 11 8 kgf m 68 7 85 9 ft lbf 2007 Mazda CX 9 Grand Touring 2007 ENGINE Mechanical MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 19 28 AM Page 61 2005 Mitchell ...

Page 253: ...ourtesy of MAZDA MOTORS CORP 5 Tighten the No 3 engine mount in the order shown in the figure Tightening Torque TIGHTENING TORQUE SPECIFICATION Installation Position Tightening Torque 1 2 7 74 5 104 9 N m 7 60 10 6 kgf m 55 0 77 3 ft lbf 3 4 5 6 43 1 74 N m 4 40 7 54 kgf m 31 8 54 5 ft lbf 2007 Mazda CX 9 Grand Touring 2007 ENGINE Mechanical MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 19 28 A...

Page 254: ...see COWL PANEL REMOVAL INSTALLATION 4 The cowl grille see COWL GRILLE REMOVAL INSTALLATION 5 The windshield wiper arm and blade see WINDSHIELD WIPER ARM AND BLADE REMOVAL INSTALLATION 8 Install the coolant reserve tank see COOLANT RESERVE TANK REMOVAL INSTALLATION MZI 3 5 Fig 100 Identifying Front Cooler Pipe And Bolt Courtesy of MAZDA MOTORS CORP CRANKSHAFT PULLEY LOCK BOLT INSTALLATION NOTE 2007...

Page 255: ...hten 85 95 3 Verify the tightening torque for the drive plate installation bolt to which the wrench has been set see COOLANT RESERVE TANK REMOVAL INSTALLATION MZI 3 5 Fig 101 Identifying Drive Plate Bolt Courtesy of MAZDA MOTORS CORP 4 Install the cover as shown in the figure Fig 102 Identifying Cover With Fasteners Courtesy of MAZDA MOTORS CORP REAR OIL SEAL REPLACEMENT MZI 3 5 2007 Mazda CX 9 Gr...

Page 256: ...nsor Pulse Wheel And Rear Oil Seal Courtesy of MAZDA MOTORS CORP REAR OIL SEAL REMOVAL NOTE 1 Using a flathead screwdriver remove the rear oil seal Fig 104 Removing Rear Oil Seal Courtesy of MAZDA MOTORS CORP REAR OIL SEAL INSTALLATION NOTE 1 CKP sensor pulse wheel 2 Rear oil seal See REAR OIL SEAL REMOVAL NOTE See REAR OIL SEAL INSTALLATION NOTE 2007 Mazda CX 9 Grand Touring 2007 ENGINE Mechanica...

Page 257: ...5 Drain the engine coolant see ENGINE COOLANT REPLACEMENT MZI 3 5 6 Remove the engine cover See ENGINE COVER REMOVAL INSTALLATION MZI 3 5 7 Remove the ventilation hose see QUICK RELEASE CONNECTOR EMISSION SYSTEM REMOVAL INSTALLATION MZI 3 5 NOTE z Lubricate the rear oil seal lips and bore with clean engine oil WARNING z Fuel vapor is hazardous It can very easily ignite causing serious injury and d...

Page 258: ...ION 20 Disconnect the power steering return hose see POWER STEERING OIL PUMP REMOVAL INSTALLATION 21 Disconnect the radiator hose see RADIATOR REMOVAL INSTALLATION MZI 3 5 22 Disconnect the water hose see OIL COOLER REMOVAL INSTALLATION MZI 3 5 23 Disconnect the ATF oil cooler hose 24 Disconnect the plastic fuel hose see BEFORE REPAIR PROCEDURE MZI 3 5 See QUICK RELEASE CONNECTOR FUEL SYSTEM REMOV...

Page 259: ...ine is overhauled and installed to the vehicle perform the road test and verify that there is no malfunction 2007 Mazda CX 9 Grand Touring 2007 ENGINE Mechanical MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 19 28 AM Page 68 2005 Mitchell Repair Information Company LLC ...

Page 260: ...ntifying Engine Mounts With Torque Specifications 2007 Mazda CX 9 Grand Touring 2007 ENGINE Mechanical MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 19 28 AM Page 69 2005 Mitchell Repair Information Company LLC ...

Page 261: ...ngine Mount No 1 Bracket Bolts A And B Courtesy of MAZDA MOTORS CORP 5 Remove the No 1 engine mount No 1 engine mount bracket and the front crossmember as a single unit see FRONT CROSSMEMBER REMOVAL INSTALLATION Fig 108 Identifying No 1 Engine Mount Courtesy of MAZDA MOTORS CORP NO 3 ENGINE MOUNT RUBBER AND NO 4 ENGINE MOUNT BRACKET REMOVAL NOTE 1 Secure the engine and transaxle using an engine ja...

Page 262: ...NE MOUNT INSTALLATION NOTE 1 Tighten the No 3 engine mount stud bolts Tightening torque 15 7 23 5 N m 1 61 2 39 kgf m 11 6 17 3 ft lbf the transaxle falls it could be damaged or cause injury NOTE z When lowering the engine slightly move it to the left side of the vehicle to set the A C compressor out of the way 2007 Mazda CX 9 Grand Touring 2007 ENGINE Mechanical MZI 3 5 CX 9 Microsoft Sunday Nove...

Page 263: ... engine mount bolts and nuts in the order shown in the figure Fig 113 Identifying No 3 Engine Mount Bolt And Nut Tightening Sequence Courtesy of MAZDA MOTORS CORP 4 Temporarily tighten the No 4 engine mount bracket in two passes 1 Temporarily tighten the No 4 engine mount bracket in the order shown in the figure until the flange 2007 Mazda CX 9 Grand Touring 2007 ENGINE Mechanical MZI 3 5 CX 9 Mic...

Page 264: ...Identifying No 4 Engine Mount Bracket Bolt And Nut Tightening Sequence Courtesy of MAZDA MOTORS CORP 5 Install the No 1 engine mount No 1 engine mount bracket and the front crossmember as a single unit see FRONT CROSSMEMBER REMOVAL INSTALLATION Fig 116 Identifying No 1 Engine Mount And Front Crossmember 2007 Mazda CX 9 Grand Touring 2007 ENGINE Mechanical MZI 3 5 CX 9 Microsoft Sunday November 15 ...

Page 265: ...m 9 50 11 8 kgf m 68 7 85 9 ft lbf Fig 118 Identifying No 1 Engine Mount Bolt C Courtesy of MAZDA MOTORS CORP 8 Install the intermediate shaft installation bolt and disconnect the steering shaft see STEERING WHEEL AND COLUMN REMOVAL INSTALLATION 9 Install the transverse member see TRANSVERSE MEMBER REMOVAL INSTALLATION 10 Install the front under cover A and front under cover B see FRONT UNDER COVE...

Page 266: ...tening Sequence Courtesy of MAZDA MOTORS CORP 13 Tighten the No 4 engine mount in the order shown in the figure Tightening Torque TIGHTENING TORQUE SPECIFICATION Installation Position Tightening Torque 1 2 7 74 5 104 9 N m 7 60 10 6 kgf m 55 0 77 3 ft lbf 3 4 5 6 43 1 74 N m 4 40 7 54 kgf m 31 8 54 5 ft lbf Installation Position Tightening Torque 1 2 3 66 6 93 1 N m 6 80 9 49 kgf m 49 2 68 6 ft lb...

Page 267: ...ALLATION MZI 3 5 8 Remove the intake air system see INTAKE AIR SYSTEM REMOVAL INSTALLATION MZI 3 5 9 Remove the exhaust system see EXHAUST SYSTEM REMOVAL INSTALLATION MZI 3 5 10 Remove the thermostat case and water hose component see THERMOSTAT REMOVAL INSTALLATION MZI 3 5 11 Remove the CHT sensor see CYLINDER HEAD TEMPERATURE CHT SENSOR REMOVAL INSTALLATION MZI 3 5 12 Remove the CKP sensor see CR...

Page 268: ... SIDE INSTALLATION NOTE 1 Tighten the No 3 engine mount stay engine front cover side in the order shown in the figure Tightening torque 21 6 30 4 N m 2 21 3 09 kgf m 16 0 22 4 ft lbf 2007 Mazda CX 9 Grand Touring 2007 ENGINE Mechanical MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 19 28 AM Page 77 2005 Mitchell Repair Information Company LLC ...

Page 269: ...from fuel z Fuel line spills and leakage are dangerous Fuel can ignite and cause serious injures or death and damage Fuel can also irritate skin and eyes To prevent this always complete the Fuel Line Safety Procedure see BEFORE REPAIR PROCEDURE MZI 3 5 z Continuous exposure to USED engine oil has caused skin cancer in laboratory mice Protect your skin by washing with soap and water immediately aft...

Page 270: ... 10 Remove in the order indicated in the table 11 Install in the reverse order of removal 12 Start the engine and 1 Inspect the runout and contact on the pulley and belt 2 Inspect for engine oil engine coolant ATF power steering fluid and fuel leakage 3 Verify the ignition timing idle speed and idle mixture See ENGINE TUNE UP MZI 3 5 4 Engine accessories operation 13 Perform a road test CAUTION z ...

Page 271: ... timing chains may bind causing engine damage NOTE z Verify that there are timing marks in three locations Yellow 1 Black 2 on the timing chain If any timing marks are missing mark the timing chain z When marking the crankshaft sprocket side timing chain change the mark color z If replacing with a new timing chain place alignment marks in the same positions as those prior to the replacement 2007 M...

Page 272: ...ed with each of the camshaft sprocket on both banks LH CAUTION z Verify that there are timing marks in two locations on the camshaft timing chain If any timing marks are missing mark the camshaft timing chain z If replacing with a new variable valve timing actuator place alignment marks in the same positions as those prior to the replacement 2007 Mazda CX 9 Grand Touring 2007 ENGINE Mechanical MZI...

Page 273: ...MAZDA MOTORS CORP RH Fig 129 Identifying Timing Mark On Camshaft Sprocket RH Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 ENGINE Mechanical MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 19 28 AM Page 82 2005 Mitchell Repair Information Company LLC ...

Page 274: ...ise until the keyway is in the 9 o clock position 6 Slowly compress the camshaft timing chain tensioner LH piston by hand Fig 131 View Of Crankshaft Keyway At 9 O Clock Position Courtesy of MAZDA MOTORS CORP 7 Insert an approx 1 0 mm 0 039 in thin wire or paper clip into the camshaft timing chain tensioner LH shown in the figure to hold the tensioner piston 2007 Mazda CX 9 Grand Touring 2007 ENGIN...

Page 275: ...r RH piston by hand Fig 133 Identifying SST On Camshafts LH Courtesy of MAZDA MOTORS CORP 11 Insert an approx 1 0 mm 0 039 in thin wire or paper clip into the camshaft timing chain tensioner RH shown in the figure to hold the tensioner piston NOTE z The camshaft sprocket is integrated with the variable valve timing actuator and cannot be disassembled 2007 Mazda CX 9 Grand Touring 2007 ENGINE Mecha...

Page 276: ...haft RH Courtesy of MAZDA MOTORS CORP VARIABLE VALVE TIMING ACTUATOR COMPONENT INSTALLATION NOTE 1 Align the alignment marks on the camshaft timing chain and both intake and exhaust side camshaft sprockets of both banks RH NOTE z The camshaft sprocket is integrated with the variable valve timing actuator and cannot be disassembled 2007 Mazda CX 9 Grand Touring 2007 ENGINE Mechanical MZI 3 5 CX 9 M...

Page 277: ...MAZDA MOTORS CORP LH Fig 137 Aligning Marks On Camshaft Timing Chain And Both Intake And Exhaust Side Camshaft Sprockets LH Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 ENGINE Mechanical MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 19 28 AM Page 86 2005 Mitchell Repair Information Company LLC ...

Page 278: ... exhaust camshaft sprocket of the LH bank as a single unit Fig 138 Inserting Wire Into Camshaft Timing Chain Tensioner RH Courtesy of MAZDA MOTORS CORP 6 Remove the retaining wire inserted into the camshaft timing chain tensioner LH 7 Tighten the new camshaft sprocket LH installation bolts using the following 4 steps 1 Tighten to 40 N m 4 1 kgf m 30 ft lbf 2 Loosen 360 one full turn in reverse ord...

Page 279: ...OR EMISSION SYSTEM REMOVAL INSTALLATION MZI 3 5 4 Disconnect the vacuum hose see INTAKE AIR SYSTEM REMOVAL INSTALLATION MZI 3 5 5 Remove the resonance chamber see INTAKE AIR SYSTEM REMOVAL INSTALLATION MZI 3 5 6 Remove the dynamic chamber and throttle body as a single unit see INTAKE AIR SYSTEM REMOVAL INSTALLATION MZI 3 5 7 Disconnect the wiring harness 8 Remove the ignition coils see IGNITION CO...

Page 280: ...ct the OCV connector 4 Measure the coil resistance between terminals A and B using a tester z If it is not within the specification replace the OCV Oil control valve resistance 5 14 ohms 5 Install in the reverse order of removal Fig 142 Identifying Oil Control Valve Connector Terminals Courtesy of MAZDA MOTORS CORP SPOOL VALVE OPERATION INSPECTION 2007 Mazda CX 9 Grand Touring 2007 ENGINE Mechanic...

Page 281: ...tween the OCV terminals and verify that the spool valve operates and moves to the maximum valve timing advance position Fig 144 Identifying OCV Connector Terminals Courtesy of MAZDA MOTORS CORP z If not as specified replace the OCV NOTE z When applying battery positive voltage between the OCV terminals the connection can be either of the following Positive battery cable to terminal A Negative batt...

Page 282: ...e electrical loads 4 Verify that no DTCs are available 5 Warm up the engine as follows 1 Start the engine 2 Perform no load racing at 2 500 3 000 rpm for 3 min ECT is approx 80 C 176 F or more 3 Release the accelerator pedal 4 Wait until the cooling fans stop terminal A NOTE z If the accelerator pedal is depressed continuously for a specified time the engine speed may decrease to the idle speed Th...

Page 283: ...MPTOM TROUBLESHOOTING see ENGINE SYMPTOM TROUBLESHOOTING MZI 3 5 IDLE SPEED INSPECTION 1 Perform Engine Tune up Preparation See ENGINE TUNE UP PREPARATION 2 Verify that the idle speed M MDS RPM is within the specification using M MDS Idle speed P position No load 570 670 rpm NOTE z The ignition timing cannot be adjusted z The M MDS is required to verify the ignition timing NOTE z The idle speed ca...

Page 284: ...TION See Idle Speed Inspection 3 Insert an exhaust gas analyzer into the tailpipe 4 Verify that the CO and HC concentrations are within the specified regulation z If not within the regulation refer to ENGINE SYMPTOM TROUBLESHOOTING see ENGINE SYMPTOM TROUBLESHOOTING MZI 3 5 Idle mixture HC concentration Within the regulation CO concentration Within the regulation 2007 Mazda CX 9 Grand Touring 2007...

Page 285: ...ALLATION MZI 3 5 3 Remove in the order indicated in the table 4 Install in the reverse order of removal WARNING z When the engine and exhaust system are hot they can badly burn Turn off the engine and wait until they are cool before removing the exhaust system 2007 Mazda CX 9 Grand Touring 2007 ENGINE Exhaust System MZI 3 5 CX 9 2007 Mazda CX 9 Grand Touring 2007 ENGINE Exhaust System MZI 3 5 CX 9...

Page 286: ...2007 Mazda CX 9 Grand Touring 2007 ENGINE Exhaust System MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 32 18 AM Page 2 2005 Mitchell Repair Information Company LLC ...

Page 287: ...ALLATION MZI 3 5 2 Remove the exhaust manifold Insulator LH WARM UP THREE WAY CATALYTIC CONVERTER WU TWC LH INSTALLATION NOTE 1 Install the WU TWC LH insulator 2 Temporarily tighten WU TWC LH bracket 3 Temporarily tighten WU TWC LH bracket L type engine side 4 Install the WU TWC LH 5 Install the WU TWC LH bracket 6 Install the WU TWC LH bracket L type WARM UP THREE WAY CATALYTIC CONVERTER WU TWC R...

Page 288: ...ine mount transaxle side see ENGINE REMOVAL INSTALLATION MZI 3 5 7 Install the insulator see STEERING GEAR AND LINKAGE REMOVAL INSTALLATION 8 Install the joint shaft see JOINT SHAFT REMOVAL INSTALLATION AWD 9 Install the WU TWC RH bracket 2007 Mazda CX 9 Grand Touring 2007 ENGINE Exhaust System MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 32 19 AM Page 4 2005 Mitchell Repair Information Compan...

Page 289: ...AZDA MOTORS CORP FUEL TANK SIDE 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE Fuel System MZI 3 5 CX 9 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE Fuel System MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 24 12 AM Page 1 2005 Mitchell Repair Information Company LLC Microsoft Sunday November 15 2009 9 24 16 AM Page 1 2005 Mitchell Repair Information Company LLC ...

Page 290: ... Components 2WD Fuel Tank Courtesy of MAZDA MOTORS CORP AWD 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE Fuel System MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 24 12 AM Page 2 2005 Mitchell Repair Information Company LLC ...

Page 291: ...D Fuel Tank Courtesy of MAZDA MOTORS CORP FUEL SYSTEM DIAGRAM MZI 3 5 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE Fuel System MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 24 12 AM Page 3 2005 Mitchell Repair Information Company LLC ...

Page 292: ...m fuel z Fuel line spills and leakage are dangerous Fuel can ignite and cause serious injuries or death and damage Fuel can also irritate skin and eyes To prevent this always complete the following Fuel Line Safety Procedure z A person charged with static electricity could cause a fire or explosion resulting in death or serious injury Before performing work on the fuel system discharge static elec...

Page 293: ... leakage replace the fuel hoses and clips z If there is damage on the seal on the fuel pipe side replace the fuel pipe WARNING z Fuel line spills and leakage are dangerous Fuel can ignite and cause serious injuries or death and damage When installing the fuel hose observe Fuel Leakage Inspection described below WARNING z Fuel line spills and leakage are dangerous Fuel can ignite and cause serious ...

Page 294: ...nnect the negative battery cable and operate the fuel pump 5 Verify that there is no fuel leakage from the pressurized parts z If there is leakage replace the fuel hoses and clips z If there is damage on the seal on the fuel pipe side replace the fuel pipe Standard There shall be no leakage after 5 min CAUTION z Short the specified terminals because shorting the wrong terminal of the main fuse blo...

Page 295: ...ap And Fuel Distributor Courtesy of MAZDA MOTORS CORP 4 Turn the SST lever so that it is 90 to the hose as shown in the figure 5 Make sure the lever of fuel pressure gauge is turned fully clockwise then connect the SST to the schrader WARNING z Fuel line spills and leakage are dangerous Fuel can ignite and cause serious injuries or death Fuel can also irritate skin and eyes To prevent this always ...

Page 296: ...N MZI 3 5 2 Connect the M MDS to the DLC 2 3 Using the simulation function FP start the fuel pump Without using M MDS 1 Remove the fuel pump relay CAUTION z Short the specified terminals because shorting the wrong terminal of the main fuse block may cause malfunctions 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE Fuel System MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 24 12 AM Page 8 ...

Page 297: ... clogging Fuel leakage inside pressure regulator High Pressure regulator Fig 11 Identifying Main Fuse Block Connector Terminals Courtesy of MAZDA MOTORS CORP Fuel line pressure 331 485 kPa 3 38 4 94 kgf cm2 48 1 70 3 psi 9 Stop the fuel pump using the following procedure Using M MDS 1 Stop the fuel pump using the FP simulation function Using M MDS 1 Turn the ignition switch off 2007 Mazda CX 9 Gra...

Page 298: ... Always properly steam clean a fuel tank before repairing it z Fuel line spills and leakage are dangerous Fuel can ignite and cause serious injuries or death and damage Fuel can also irritate skin and eyes To prevent this do not damage the sealing surface of the fuel pump unit when removing or installing z A person charged with static electricity could cause a fire or explosion resulting in death ...

Page 299: ... Using the simulation function FP start the fuel pump Without using M MDS 1 Remove the fuel pump relay Fig 13 Identifying DLC 2 Connector Courtesy of MAZDA MOTORS CORP CAUTION z Short the specified terminals because shorting the wrong terminal of the main fuse block may cause malfunctions 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE Fuel System MZI 3 5 CX 9 Microsoft Sunday November 15 20...

Page 300: ... 3 Long slider cover see LONG SLIDER REMOVAL INSTALLATION 4 Rear heat duct No 3 see REAR HEAT DUCT COMPONENT REMOVAL INSTALLATION 5 Fuel pump unit See FUEL PUMP UNIT REMOVAL INSTALLATION MZI 3 5 12 Siphon the fuel from the fuel tank 13 Remove in the order indicated in the table 14 Install in the reverse order of removal 15 Complete the AFTER REPAIR PROCEDURE See AFTER REPAIR PROCEDURE MZI 3 5 CAUT...

Page 301: ...al note 1 Remove the rear tire LH 2 Remove the splash shield LH 3 Remove the fuel filler pipe protector Fuel filler pipe removal note 1 Remove the rear tire RH 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE Fuel System MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 24 12 AM Page 13 2005 Mitchell Repair Information Company LLC ...

Page 302: ...te the BEFORE REPAIR PROCEDURE See BEFORE REPAIR PROCEDURE MZI 3 5 3 Disconnect the negative battery cable see BATTERY REMOVAL INSTALLATION MZI 3 5 4 Remove the engine cover see ENGINE COVER REMOVAL INSTALLATION MZI 3 5 5 Remove the fuel line schrader valve cap 6 Connect a long hose to the disconnected schrader valve cap and drain the fuel into a container used for collecting gasoline Fig 16 Ident...

Page 303: ...18 Identifying Main Fuse Block Connector Terminals Courtesy of MAZDA MOTORS CORP CAUTION z Short the specified terminals because shorting the wrong terminal of the main fuse block may cause malfunctions CAUTION z The fuel pump could be damaged if it is operated fuel pump idling while there is no fuel in the fuel tank Verify the amount of fuel being discharged from the hose and stop operation of th...

Page 304: ...SLIDER REMOVAL INSTALLATION 3 Long slider cover see LONG SLIDER REMOVAL INSTALLATION 4 Rear heat duct No 3 see REAR HEAT DUCT COMPONENT REMOVAL INSTALLATION 5 Fuel pump unit See FUEL PUMP UNIT REMOVAL INSTALLATION MZI 3 5 12 Siphon the fuel from the fuel tank 13 Remove in the order indicated in the table 14 Install in the reverse order of removal 15 Complete the AFTER REPAIR PROCEDURE See AFTER RE...

Page 305: ...al note 1 Remove the rear tire LH 2 Remove the splash shield LH 3 Remove the fuel filler pipe protector Fuel filler pipe removal note 1 Remove the rear tire RH 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE Fuel System MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 24 12 AM Page 17 2005 Mitchell Repair Information Company LLC ...

Page 306: ... LH see SECOND ROW SEAT REMOVAL INSTALLATION 2 Edge cover see LONG SLIDER REMOVAL INSTALLATION 3 Long slider cover see LONG SLIDER REMOVAL INSTALLATION 4 Rear heat duct No 3 see REAR HEAT DUCT COMPONENT REMOVAL INSTALLATION 5 Disconnect the fuel pump unit connector 4 Disconnect the quick release connector and the fuel pump unit connector See QUICK RELEASE CONNECTOR FUEL SYSTEM REMOVAL INSTALLATION...

Page 307: ... the pressure is 0 3 kPa 0 22 mmHg 0 0 8 inHg z If malfunction replace the fuel tank 12 Apply a pressure of 0 5 kPa 3 8 mmHg 0 1 inHg to port B and wait for a while 13 With the pressure still applied verify that there is airflow from port A and the pressure is 0 5 0 kPa 3 8 0 mmHg 0 2 0 inHg z If malfunction replace the fuel tank z If there is airflow place the fuel tank upside down 14 Apply a pre...

Page 308: ...applied verify that there is no airflow from port A z If there is airflow replace the fuel tank 16 Complete the AFTER REPAIR PROCEDURE see AFTER REPAIR PROCEDURE MZI 3 5 Fig 24 Identifying Fuel Pump Unit And Drain Plug AWD 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE Fuel System MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 24 12 AM Page 20 2005 Mitchell Repair Information Company LLC ...

Page 309: ...INSTALLATION MZI 3 5 Fig 25 Identifying Nonreturn Valve Position Courtesy of MAZDA MOTORS CORP FUEL PUMP UNIT REMOVAL INSTALLATION MZI 3 5 WARNING z Fuel is very flammable liquid If fuel spills or leaks from the pressurized fuel system it will cause serious injury or death and facility breakage Fuel can also irritate skin and eyes To prevent this always complete the Fuel Line Safety Procedure whil...

Page 310: ... unit removal installation always complete the Fuel Leak Inspection After Fuel Pump Unit Installation z A person charged with static electricity could cause a fire or explosion resulting in death or serious injury Before draining fuel make sure to discharge static electricity by touching the vehicle body CAUTION z Because the fuel tank is constructed such that the fuel level is higher than the ins...

Page 311: ...rminals C and D in the main fuse block 3 Connect the negative battery cable and operate the fuel pump CAUTION z Short the specified terminals because shorting the wrong terminal of the main fuse block may cause malfunctions CAUTION z The fuel pump could be damaged if it is operated fuel pump idling while there is no fuel in the fuel tank Verify the amount 2007 Mazda CX 9 Grand Touring 2007 ENGINE ...

Page 312: ... INSTALLATION 4 Remove the rear heat duct No 3 see REAR HEAT DUCT COMPONENT REMOVAL INSTALLATION 11 Remove in the order indicated in the table 12 Install in the reverse order of removal 13 Complete the AFTER REPAIR PROCEDURE See AFTER REPAIR PROCEDURE MZI 3 5 2WD Fig 29 Identifying Fuel Pump Unit Components 2WD With Torque Specifications Courtesy of MAZDA MOTORS CORP of fuel being discharged from ...

Page 313: ...reverse order of disassembly Fig 31 Identifying Fuel Pump Unit Components Courtesy of MAZDA MOTORS CORP FUEL PUMP UNIT INSPECTION MZI 3 5 CAUTION z It is normal to hear the fuel pump operating when the ignition switch is turned to the ON position 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE Fuel System MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 24 12 AM Page 25 2005 Mitchell Repair ...

Page 314: ...hen FP is turned from OFF to ON z If the operation sound cannot be verified measure the voltage at fuel pump wiring harness side connector terminal B If as specified inspect the following z Fuel pump continuity If not within the specification inspect the following z Fuel pump relay z Wiring harnesses and connectors between battery fuel pump relay fuel pump NOTE z To improve start ability the fuel ...

Page 315: ... Fuse Block Connector Terminals Courtesy of MAZDA MOTORS CORP 5 Verify that operation sound is heard from the fuel pump when ignition switch turn to the ON position z If the operation sound cannot be verified measure the voltage at fuel pump wiring harness side connector terminal B If as specified inspect the following CAUTION z Short the specified terminals because shorting the wrong terminal of ...

Page 316: ...ond row seat see SECOND ROW SEAT REMOVAL INSTALLATION 2 Edge cover see LONG SLIDER REMOVAL INSTALLATION 3 Long slider cover see LONG SLIDER REMOVAL INSTALLATION 4 Rear heat duct No 3 see REAR HEAT DUCT COMPONENT REMOVAL INSTALLATION 5 Service hole cover See FUEL PUMP UNIT REMOVAL INSTALLATION MZI 3 5 3 Disconnect the fuel pump unit connector 4 Inspect for continuity between fuel pump unit connecto...

Page 317: ... Main Fuse Block Connector Terminals Courtesy of MAZDA MOTORS CORP Fig 38 Identifying Fuel Pump Unit Connector Terminals Courtesy of MAZDA MOTORS CORP Open circuit z If there is no continuity the circuit is open Repair or replace the harness 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE Fuel System MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 24 13 AM Page 29 2005 Mitchell Repair Infor...

Page 318: ...RE and remove dirt from the connecting surfaces before performing any work operations See BEFORE REPAIR PROCEDURE MZI 3 5 2 Move the retainer upward using a small flathead screwdriver or a similar tool WARNING z Fuel is very flammable liquid If fuel spills or leaks from the pressurized fuel system it will cause serious injury or death and facility breakage Fuel can also irritate skin and eyes To p...

Page 319: ...ert the fuel pipe straight to the end of the quick release connector z Push down the retainer using a finger If the retainer cannot be pushed down push the fuel pipe further to the quick release connector 3 Lightly pull and push the quick release connector a few times by hand and then verify that it is connected securely 4 Inspect all related parts by performing AFTER REPAIR PROCEDURE See AFTER RE...

Page 320: ...ndicated in the table Fig 42 Identifying Fuel Injector Components With Torque Specifications Courtesy of MAZDA MOTORS CORP 6 Install in the reverse order of removal WARNING z Fuel is very flammable liquid If fuel spills or leaks from the pressurized fuel system it will cause serious injury or death and facility breakage Fuel can also irritate skin and eyes To prevent this always complete the Fuel ...

Page 321: ...S CORP 4 Remove the clip from the injector according to the following 1 Grasp the clip with a pair of pliers CAUTION z Use of a deformed injector retaining clip will cause the injector to not engage correctly Always use a new clip when reattaching the injector otherwise it may cause the injector to rotate NOTE z When rotating the screwdriver to spread the clip fingers deform them sufficiently to m...

Page 322: ...njector and clip into the injector cup Continue pressing until the clip contacts the lower surface of the injector cup 6 Verify that the injector and clip are correctly attached with the clip locked onto the injector cup notch Fig 46 Identifying Injector Cup Clip Courtesy of MAZDA MOTORS CORP FUEL INJECTOR INSPECTION MZI 3 5 NOTE z When the clip is attached correctly the central area of the inject...

Page 323: ...l injector connectors 6 Measure the resistance of the fuel injector z If not as specified replace the fuel injector See FUEL INJECTOR REMOVAL INSTALLATION MZI 3 5 z If as specified but Operation Test is failed carry out the Circuit Open Short Inspection Inspect for open or short circuit Fuel injector resistance 11 18 ohms Fig 47 Identifying Fuel Injector Connector Terminals Courtesy of MAZDA MOTOR...

Page 324: ...ock Connector Terminals Courtesy of MAZDA MOTORS CORP Fig 50 Identifying PCM Connector Terminals Courtesy of MAZDA MOTORS CORP Open circuit 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE Fuel System MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 24 13 AM Page 36 2005 Mitchell Repair Information Company LLC ...

Page 325: ...cuit z If there is continuity the circuit is short Repair or replace the harness No 1 cylinder fuel injector terminal A and body ground No 2 cylinder fuel injector terminal A and body ground No 3 cylinder fuel injector terminal A and body ground No 4 cylinder fuel injector terminal A and body ground No 5 cylinder fuel injector terminal A and body ground No 6 cylinder fuel injector terminal A and b...

Page 326: ...INSPECTION See FUEL LINE PRESSURE INSPECTION MZI 3 5 NOTE z Due to the adoption of the mechanical returnless fuel system the pressure regulator cannot be inspected separately 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE Fuel System MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 24 13 AM Page 38 2005 Mitchell Repair Information Company LLC ...

Page 327: ...ll in the reverse order of removal CAUTION z Apply small amount of the specified dielectric grease to the inside of the ignition coils then install the ignition coils to the spark plugs Specified grease Motorcraft XG 3A 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE Ignition System MZI 3 5 CX 9 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE Ignition System MZI 3 5 CX 9 Microsoft Sund...

Page 328: ...nition coil terminal A and ignition coil boot socket z If not within the specification replace the ignition coil Ignition coil secondary coil resistance 5 6 kilohms Fig 3 Measuring Resistance Between Ignition Coil Terminal A And Ignition Coil Boot Socket SPARK PLUG REMOVAL INSTALLATION MZI 3 5 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE Ignition System MZI 3 5 CX 9 Microsoft Sunday Novem...

Page 329: ...ion replace the spark plug Spark plug gap 1 29 1 45 mm 0 051 0 057 in CAUTION z If a spark plug that is not as specified is installed engine performance will be deteriorated Install only the specified spark plug when replacing CAUTION z Apply small amount of the specified dielectric grease to the inside of the ignition coils then install the ignition coils to the spark plugs Specified grease Motor...

Page 330: ...ff the carbon by performing no load racing of the engine z When performing the no load racing apply the side brake and foot brake move the selector lever to P position to prevent an accident and serious injury z To avoid possible damage to the spark plug tip do not use a wire brush for cleaning NOTE z To avoid possible damage to the tip use gasoline to clean the spark plugs after removing dirt z I...

Page 331: ... not within the specification replace the spark plug Spark plug resistance 2 20 kilohms Fig 5 Measuring Resistance Of Spark Plug 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE Ignition System MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 22 43 AM Page 5 2005 Mitchell Repair Information Company LLC ...

Page 332: ...n before continuing 4 Remove the dipstick wipe it clean and reinstall it fully 5 Remove the dipstick and verify that the oil level is between the L and F marks on the dipstick 2007 Mazda CX 9 Grand Touring 2007 ENGINE Lubrication MZI 3 5 CX 9 2007 Mazda CX 9 Grand Touring 2007 ENGINE Lubrication MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 32 52 AM Page 1 2005 Mitchell Repair Information Compa...

Page 333: ...s and engine oil can cause severe burns Turn off the engine and wait until it and the engine oil have cooled z A vehicle that is lifted but not securely supported on safety stands is dangerous It can slip or fall causing death or serious injury Never work around or under a lifted vehicle if it is not securely supported on safety stands z Continuous exposure to USED engine oil has caused skin cance...

Page 334: ... oil temperature Verify the oil level after engine oil replacement Item U S A and CANADA Except U S A and CANADA Engine oil grade Engine oil viscosity 5W 20 WARNING z Hot engines and engine oil can cause severe burns Turn off the engine and wait until it and the engine oil have cooled z A vehicle that is lifted but not securely supported on safety stands is dangerous It can slip or fall causing de...

Page 335: ...3 3 C 200 F 310 621 kPa 3 17 6 33 kgf cm2 45 0 90 0 psi 2 000 rpm 9 Stop the engine and wait until it is cool 10 Disconnect the negative battery cable 11 Remove the SSTs Fig 3 Connecting Oil Pressure Gauge Courtesy of MAZDA MOTORS CORP 12 Apply silicone sealant to the oil pressure switch threads as shown in the figure 13 Install the oil pressure switch Tightening torque NOTE z The oil pressure can...

Page 336: ...the sealing surface 5 Tighten the oil filter 3 4 turns by hand WARNING z Hot engines and engine oil can cause severe burns Turn off the engine and wait until it and the engine oil have cooled z A vehicle that is lifted but not securely supported on safety stands is dangerous It can slip or fall causing death or serious injury Never work around or under a lifted vehicle if it is not securely suppor...

Page 337: ...off the mounting surface on the oil filter adapter and the oil cooler 8 Install in the reverse order of the removal 9 Refill the engine coolant see ENGINE COOLANT REPLACEMENT MZI 3 5 10 Start the engine and confirm that there is no oil leakage WARNING z Hot engines and engine oil can cause severe burns Turn off the engine and wait until it and the engine oil have cooled z A vehicle that is lifted ...

Page 338: ... Bolts With Tightning Sequence Courtesy of MAZDA MOTORS CORP OIL PAN REMOVAL INSTALLATION MZI 3 5 WARNING z Fuel vapor is hazardous It can very easily ignite causing serious injury and damage Always keep sparks and flames away from fuel z Fuel line spills and leakage are dangerous Fuel can ignite and cause serious injures or death and damage Fuel can also irritate skin and eyes To prevent this alw...

Page 339: ... INSTALLATION 13 Install the engine to the SST engine stand See ENGINE MOUNTING DISMOUNTING 14 Remove the engine front cover see TIMING CHAIN REMOVAL INSTALLATION MZI 3 5 15 Remove in the order indicated in the table 16 Install in the reverse order of removal 17 Start the engine and 1 Inspect the runout and contact on the pulley and belt 2 Inspect for engine oil engine coolant ATF power steering f...

Page 340: ...TORS CORP ENGINE MOUNTING DISMOUNTING Mounting 1 Remove the WU TWC RH bracket AWD Fig 9 Identifying WU TWC RH Bracket With Torque Specifications Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 ENGINE Lubrication MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 32 53 AM Page 9 2005 Mitchell Repair Information Company LLC ...

Page 341: ...T Bolts Nuts And Plate Courtesy of MAZDA MOTORS CORP 4 Assemble the SST bolts nuts and plate set in Step 3 to the SST arms set in Step 2 5 Adjust the SSTs bolts so that approx 20 mm 0 79 in of thread is exposed from the side of the SST plate 6 Make the SSTs arms and plate parallel by adjusting the SSTs bolts and nuts 7 Tighten the SSTs bolts and nuts to affix the SSTs firmly 2007 Mazda CX 9 Grand ...

Page 342: ...bolts one turn at a time until the oil pan to cylinder block seal is released 3 Remove the oil pan WARNING z Self locking brake system of the engine stand may not be effective when the engine is held in an unbalanced position This could lead to sudden rapid movement of the engine and mounting stand handle and cause serious injury Never keep the engine in an unbalanced position and always hold the ...

Page 343: ...AUTION z Apply silicon sealant in a single unbroken line around the whole perimeter z The oil pan and bolts must be installed and the oil pan aligned to the cylinder block within 5 min of sealant application Final tightening of the oil pan bolts must be carried out within 60 min of sealant application z Using bolts with the old sealant adhering could cause cracks in the cylinder block Fig 15 Preca...

Page 344: ...ylinder block 1 Tighten the bolts in the order shown in the figure Tightening torque 3 0 N m 31 kgf cm 27 in lbf 2 Loosen the bolts 180 Fig 17 Identifying Oil Pan Bolts With Tightning Sequence Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 ENGINE Lubrication MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 32 53 AM Page 13 2005 Mitchell Repair Information Company LLC ...

Page 345: ...ORP OIL PUMP REMOVAL INSTALLATION MZI 3 5 WARNING z Fuel vapor Is hazardous It can very easily ignite causing serious injury and damage Always keep sparks and flames away from fuel z Fuel line spills and leakage are dangerous Fuel can ignite and cause serious injures or death and damage Fuel can also irritate skin and eyes To prevent this always complete the Fuel Line Safety Procedure see BEFORE R...

Page 346: ... MZI 3 5 10 Remove in the order indicated in the table 11 Install in the reverse order of removal 12 Start the engine and 1 Inspect the runout and contact on the pulley and belt 2 Inspect for engine oil engine coolant ATF power steering fluid and fuel leakage 3 Verify the ignition timing idle speed and idle mixture see ENGINE TUNE UP MZI 3 5 4 Engine accessories operation 13 Inspect the oil pressu...

Page 347: ...ORP Fig 21 Identifying Oil Pump And O Ring With Torque Specifications Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 ENGINE Lubrication MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 32 53 AM Page 16 2005 Mitchell Repair Information Company LLC ...

Page 348: ...ourtesy of MAZDA MOTORS CORP ON BOARD DIAGNOSTIC TEST MZI 3 5 DTC READING PROCEDURE 1 Connect the M MDS to the DLC 2 2 After the vehicle is identified select the following items from the initial screen of the M MDS z When using the IDS laptop PC 1 Select the Toolbox tab 2 Select Self Test 3 Select Modules 4 Select PCM 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 ...

Page 349: ...ING TROUBLE CODE ACCESS PROCEDURE 1 Connect the M MDS to the DLC 2 2 After the vehicle is identified select the following items from the initial screen of the M MDS z When using the IDS laptop PC 1 Select the Toolbox tab 2 Select Self Test 3 Select Modules 4 Select PCM z When using the PDS Pocket PC 1 Select Module Tests 2 Select PCM 3 Select Self Test 3 Then select the Retrieve CMDTCs and perform...

Page 350: ...Select PCM z When using the PDS Pocket PC 1 Select Module Tests 2 Select PCM 3 Select Self Test 3 Then select the Retrieve CMDTCs and perform procedures according to directions on the M MDS screen 4 Retrieve the freeze frame PID data according to the directions on the M MDS screen Fig 4 Identifying DLC 2 Connector Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE ...

Page 351: ...Fig 5 Identifying DLC 2 Connector Courtesy of MAZDA MOTORS CORP PID DATA MONITOR AND RECORD PROCEDURE NOTE z If the on board system readiness tests are not completed the PCM stores DTC P1000 NOTE z The PID DATA MONITOR function monitors the calculated value of the input output signals in the PCM Therefore an output device malfunction is not directly indicated as a malfunction of the monitored valu...

Page 352: ...o detections on the screen Fig 6 Identifying DLC 2 Connector Courtesy of MAZDA MOTORS CORP PID DATA MONITOR CHART PID Name Description Unit AAT Indicate the ambient air temperature C AC_REQ A C request signal Off On ACCS A C relay Off On ALTF Generator field coil control duty value APP Accelerator pedal position APP1 APP sensor No 1 V APP2 APP sensor No 2 V APP3 APP sensor No 3 V ARPMDES Target en...

Page 353: ...nagement valve mA FAN_DUTY Cooling fan control FLI Fuel level FP Fuel pump relay Off On FPM Fuel pump monitor Off On FTP Fuel tank pressure sensor V FTP_H2O Fuel tank pressure inches of water column FUELSYS1 Fuel system loop status RH OL CL OL Drive OL Fault CL Fault GENVDSD Generator voltage desired V HTR11 Front HO2S heater RH Off On HTR12 Rear HO2S heater RH Off On HTR21 Front HO2S heater LH Of...

Page 354: ...e Active SC_ON Cruise control ON switch Inactive Active SC_RES Cruise resume switch Inactive Active SC_SET Cruise coast switch Inactive Active SC_SET Cruise set acceleration switch Inactive Active SCCS Speed control command switch V SHRTFT1 Short term fuel trim RH SHRTFT11 Front short term fuel trim RH SHRTFT2 Short term fuel trim LH SHRTFT21 Front short term fuel trim LH SPARKADV Ignition timing ...

Page 355: ... to the directions on the screen Fig 7 Identifying DLC 2 Connector Courtesy of MAZDA MOTORS CORP SIMULATION FUNCTION PROCEDURE TP2 TP sensor No 2 V VPWR Battery voltage V VSS Vehicle speed KPH VT ACT1 Actual valve timing RH VT ACT2 Actual valve timing LH VT DIFF1 Difference between target and actual valve timing RH VT DIFF2 Difference between target and actual valve timing LH VT DUTY1 Oil control ...

Page 356: ... simulation function inspection is performed it is possible that there is an open or short circuit in the wiring harness relay motor or solenoid or sticking and operation malfunction Fig 8 Identifying DLC 2 Connector Courtesy of MAZDA MOTORS CORP AFTER REPAIR PROCEDURE MZI 3 5 1 Connect the M MDS to the DLC 2 2 After the vehicle is identified select the following items from the initial screen of t...

Page 357: ...the M MDS z When using the IDS laptop PC 1 Select the Toolbox tab 2 Select Self Test 3 Select Modules 4 Select PCM z When using the PDS Pocket PC 1 Select Module Tests 2 Select PCM 3 Select Self Test 3 Then select the KOEO On Demand Self Test or KOER On Demand Self Test and perform procedures according to directions on the M MDS screen 4 Verify the DTC according to the directions on the M MDS scre...

Page 358: ...sing the PID DATA MONITOR AND RECORD function and inspect later NOTE z If the OBD II system inspection is not completed during the Drive Mode the following causes are considered The OBD II system detects a malfunction The Drive Mode procedure is not completed correctly z Disconnecting the battery will reset the memory Do not disconnect the battery during and after Drive Mode z The M MDS can be use...

Page 359: ...n switch to the ON position Engine off z Turn the ignition switch off then to the ON position Engine off z Select the appropriate vehicle and engine qualifier z Clear the continuous DTCs and reset the emission monitors information in the PCM NOTE z To bypass the EVAP soak timer normally 6 hours the PCM must remain powered after clearing the continuous DTCs and resetting the emission monitors infor...

Page 360: ...put to the PCM HO2S 5 z Cruise at 64 km h 40 mph for up to 5 min Executes the HO2S monitor EVAP 6 z Cruise at 64 89 km h 40 55 mpr for 10 min NOTE z To initiate the monitor the throttle should be at part throttle Evaporative Emissions Duty Cycle must be more than 75 and FLI must be 15 85 and for fuel tanks over 25 gallons Fuel Level Indicator Input must be 30 85 Executes the EVAP emission monitor ...

Page 361: ...Repeat 3 times Allows learning for the misfire monitor Readiness Check 11 z Access the ON BOARD SYSTEM READINESS to verify the OBD II monitoring status If completed all of the OBD II monitoring status items change from non completed to completed If not completed go to the next step Determines if any monitor has not been completed Pending Code Check and EVAP Monitor Bypass Check 12 z Verify that no...

Page 362: ... HO2S RH Switchpoint HO2S V 10 01 80 Front HO2S RH Voltage Amplitude V 10 01 81 Front HO2S RH Heater Current A 10 05 01 Front HO2S LH Switchpoint V 10 05 80 Front HO2S LH Voltage Amplitude V 10 05 81 Front HO2S LH Heater Current A 10 02 01 Rear HO2S RH Switchpoint V 10 02 81 Rear HO2S RH Heater Current A 10 06 01 Rear HO2S LH Switchpoint V 10 06 81 Rear HO2S LH Heater Current A 10 21 80 HO2S Front...

Page 363: ... 3 average misfire counts for last 10 DC 10 A4 0C Cylinder No 3 misfire counts for last current DC 10 A4 80 Cylinder No 3 Type A Misfire Rate engine 200 rpm 10 A4 81 Cylinder No 3 Type B Misfire Rate engine 1000 rpm 10 A5 0B Cylinder No 4 average misfire counts for last 10 DC 10 A5 0C Cylinder No 4 misfire counts for last current DC 10 A5 80 Cylinder No 4 Type A Misfire Rate engine 200 rpm 10 A5 8...

Page 364: ...over retarded LH ON 2 See DTC P0022 MZI 3 5 P0040 Front HO2S LH RH signals swapped OFF 1 See DTC P0040 P0041 MZI 3 5 P0041 Rear HO2S LH RH signals swapped OFF 1 See DTC P0040 P0041 MZI 3 5 P0053 Front HO2S RH heater resistance ON 2 See DTC P0053 P0054 P0059 P0060 MZI 3 5 P0054 Rear HO2S RH heater resistance ON 2 See DTC P0053 P0054 P0059 P0060 MZI 3 5 P0059 Front HO2S LH heater resistance ON 2 See...

Page 365: ...See DTC P0133 P0139 P0153 P0159 MZI 3 5 P0141 Rear HO2S RH heater circuit ON 2 See DTC P0135 P0141 P0155 P0161 MZI 3 5 P0148 Fuel delivery error OFF 1 See DTC P0148 MZI 3 5 P0152 Front HO2S LH circuit high voltage ON 2 See DTC P0132 P0138 P0152 P0158 MZI 3 5 P0153 Front HO2S LH circuit slow response ON 2 See DTC P0133 P0139 P0153 P0159 MZI 3 5 P0155 Front HO2S LH heater circuit ON 2 See DTC P0135 ...

Page 366: ...inder No 3 misfire detected ON 1 See DTC P0301 P0302 P0303 P0304 P0305 P0306 P0316 MZI 3 5 P0304 Cylinder No 4 misfire detected ON 1 See DTC P0301 P0302 P0303 P0304 P0305 P0306 P0316 MZI 3 5 P0305 Cylinder No 5 misfire detected ON 1 See DTC P0301 P0302 P0303 P0304 P0305 P0306 P0316 MZI 3 5 P0306 Cylinder No 6 misfire detected ON 1 See DTC P0301 P0302 P0303 P0304 P0305 P0306 P0316 MZI 3 5 P0315 CKP...

Page 367: ... DTC P0446 MZI 3 5 P0451 Fuel tank pressure sensor range performance ON 2 See DTC P0451 MZI 3 5 P0452 Fuel tank pressure sensor low input ON 2 See DTC P0452 MZI 3 5 P0453 Fuel tank pressure sensor high input ON 2 See DTC P0453 MZI 3 5 P0454 Fuel tank pressure sensor intermittent ON 2 See DTC P0454 MZI 3 5 P0455 Evaporative emission system leak detected gross leak no flow ON 2 See DTC P0455 MZI 3 5...

Page 368: ...DTC P060B MZI 3 5 P060C Internal control module main processor performance ON 2 2 See DTC P060A P060C P061D MZI 3 5 P0610 Control module vehicle options error ON 2 See DTC P0610 MZI 3 5 P061B Internal control module torque calculation performance ON 2 2 See DTC P061B MZI 3 5 P061C Internal control module engine RPM performance ON 2 2 See DTC P061C MZI 3 5 P061D Internal control module engine air m...

Page 369: ... to bleed up fuel tank vacuum ON 2 See DTC P1450 MZI 3 5 P145E PCV heater control circuit OFF 1 See DTC P145E MZI 3 5 P1464 A C demand out of self test range OFF 1 See DTC P1464 MZI 3 5 P1500 Vehicle speed signal OFF 1 See DTC P1500 MZI 3 5 P1501 Vehicle speed sensor VSS out of self test range OFF 1 See DTC P1501 MZI 3 5 P1633 Keep alive power voltage too low ON 1 See DTC P1633 MZI 3 5 P1635 Tire ...

Page 370: ...ut OFF 2 1 See DTC P2132 MZI 3 5 P2133 APP sensor No 3 circuit high input OFF 2 1 See DTC P2133 MZI 3 5 P2135 TP sensor No 1 No 2 voltage correlation ON 2 2 See DTC P2135 MZI 3 5 P2195 Front HO2S RH signal stuck lean ON 2 See DTC P2195 P2197 MZI 3 5 P2196 Front HO2S RH signal stuck rich ON 2 See DTC P2196 P2198 MZI 3 5 P2197 Front HO2S LH signal stuck lean ON 2 See DTC P2195 P2197 MZI 3 5 P2198 Fr...

Page 371: ...ted STEP INSPECTION ACTION 1 VERIFY CURRENT STATUS OF MALFUNCTION z Clear the DTC from the PCM memory using the M MDS z Perform the PCM parameter reset using the M MDS see IMMOBILIZER SYSTEM COMPONENT REPLACEMENT KEY ADDITION AND CLEARING ADVANCED KEYLESS SYSTEM See IMMOBILIZER SYSTEM COMPONENT REPLACEMENT KEY ADDITION AND CLEARING KEYLESS ENTRY SYSTEM z Is same DTC present Yes Replace the PCM the...

Page 372: ...alibrated limit for a calibrated am of time POSSIBLE CAUSE z OCV RH malfunction z Connector or terminal malfunction z Open circuit between OCV RH terminal A and main relay No 1 terminal D z Open circuit between OCV RH terminal B and PCM terminal 2BP z Short to ground circuit between OCV RH terminal B and PCM terminal 2BP z Short to power supply between OCV RH terminal B and PCM terminal 2BP 2007 M...

Page 373: ...ATED REPAIR INFORMATION AVAILABILITY z Verify related Service Bulletins and or on line repair information availability z Is any related Service Bulletins Yes Perform repair or diagnosis according to the available Service Bulletins z If the vehicle is not repaired go to the next step 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 ...

Page 374: ...on Engine off z Measure the voltage between the OCV RH connector terminal A and body ground z Is the voltage B Yes Go to the next step No Repair or replace suspected part then go to Step 10 6 INSPECT OCV RH CIRCUIT FOR SHORT TO POWER SUPPLY z Turn the ignition switch off z Disconnect the PCM connector z Turn the ignition switch to the ON position Engine off z Measure the voltage between the OCV RH...

Page 375: ...es Go to the next step No Repair or replace suspected part then go to the next step 10 VERIFY TROUBLESHOOTING OF DTC P0010 HAS BEEN COMPLETED z Verify that all disconnected connectors reconnected z Turn the ignition switch to the ON position Engine off z Clear the DTC from the PCM memory using the M MDS z Start the engine and run it at idle z Retrieve DTCs using the M MDS z Is the PENDING CODE for...

Page 376: ... FREEZE FRAME DATA been recorded Yes Go to the next step No Record FREEZE FRAME DATA on the repair order then go to the next step 2 VERIFY RELATED REPAIR INFORMATION AVAILABILITY z Verify related Service Bulletins and or on line repair information availability z Is any related Service Bulletins available Yes Perform repair or diagnosis according to the available Service Bulletins z If the vehicle ...

Page 377: ...3 5 No Go to the next step 6 VERIFY AFTER REPAIR PROCEDURE z Perform the AFTER REPAIR PROCEDURE See AFTER REPAIR PROCEDURE MZI 3 5 z Are any DTCs present Yes Go to the applicable DTC inspection See DTC TABLE MZI 3 5 No Troubleshooting completed DTC P0012 CMP timing over retarded RH DETECTION CONDITION z The PCM monitors the variable valve timing position for over retarded camshaft timing The test ...

Page 378: ... Yes Inspect the engine oil pressure then go to Step 6 see OIL PRESSURE INSPECTION MZI 3 5 No Go to the next step 4 VERIFY TIMING CHAIN INSTALLATION z Stop the engine z Remove the front cover z Is the camshaft timing mark at the correct point see TIMING CHAIN REMOVAL INSTALLATION MZI 3 5 Yes Go to the next step No Reinstall the timing chain then go to Step 6 5 INSPECT OCV RH z Inspect the OCV RH s...

Page 379: ...C P0018 P0018 CKP CMP sensor LH correlation DETECTION CONDITION z The PCM monitors the variable valve timing position for a misalignment between the camshaft and crankshaft The test fails when the misalignment is more than 1 tooth POSSIBLE CAUSE z OCV malfunction z Camshaft advanced mechanism binding z Improper valve timing STEP INSPECTION ACTION 1 VERIFY FREEZE FRAME DATA HAS BEEN RECORDED z Has ...

Page 380: ... 14 46 Yes Go to the next step No Replace the OCV then go to Step 6 see OIL CONTROL VALVE OCV REMOVAL INSTALLATION MZI 3 5 5 VERIFY TIMING CHAIN INSTALLATION z Stop the engine z Remove the front cover z Is the camshaft timing mark at the correct point see TIMING CHAIN REMOVAL INSTALLATION MZI 3 5 Yes Go to the next step No Reinstall the timing chain then go to the next step 6 VERIFY TROUBLESHOOTIN...

Page 381: ...circuit to the PCM for high and low voltage T test fails if the voltage exceeds or falls below a calibrated limit for a calibrated am of time POSSIBLE CAUSE z OCV LH malfunction z Connector or terminal malfunction z Open circuit between OCV LH terminal A and main relay No 1 terminal D z Open circuit between OCV LH terminal B and PCM terminal 2BK z Short to ground circuit between OCV LH terminal B ...

Page 382: ...next step 2 VERIFY RELATED REPAIR INFORMATION AVAILABILITY z Verify related Service Bulletins and or on line repair information availability Yes Perform repair or diagnosis according to the available Service Bulletins z If the vehicle is not repaired go to the next step 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 29 ...

Page 383: ... ignition switch to the ON position Engine off z Measure the voltage between the OCV LH connector terminal A wiring harness side and body ground z Is the voltage B Yes Go to the next step No Repair or replace suspected part then go to Step 10 6 INSPECT OCV LH CIRCUIT FOR SHORT TO POWER SUPPLY z Disconnect the PCM connector z Turn the ignition switch to the ON position Engine off z Measure the volt...

Page 384: ... continuity Yes Go to the next step No Repair or replace suspected part Then go to the next step 10 VERIFY TROUBLESHOOTING OF DTC P0020 HAS BEEN COMPLETED z Verify that all disconnected connectors reconnected z Turn the ignition switch to the ON position Engine off z Clear the DTC from the PCM memory using the M MDS z Start the engine and run it at idle z Retrieve DTCs using the M MDS z Is the PEN...

Page 385: ...ED z Has FREEZE FRAME DATA been recorded Yes Go to the next step No Record FREEZE FRAME DATA on the repair order then go to the next step 2 VERIFY RELATED REPAIR INFORMATION AVAILABILITY z Verify related Service Bulletins and or on line repair information availability z Is any related Service Bulletins available Yes Perform repair or diagnosis according to the available Service Bulletins z If the ...

Page 386: ...MZI 3 5 No Go to the next step 6 VERIFY AFTER REPAIR PROCEDURE z Perform the AFTER REPAIR PROCEDURE See AFTER REPAIR PROCEDURE MZI 3 5 z Are any DTCs present Yes Go to the applicable DTC inspection See DTC TABLE MZI 3 5 No Troubleshooting completed DTC P0022 CMP timing over retarded LH DETECTION CONDITION z The PCM monitors the variable valve timing position for over retarded camshaft timing The t...

Page 387: ...nate Yes Inspect the engine oil pressure then go to Step 6 see OIL PRESSURE INSPECTION MZI 3 5 No Go to the next step 4 VERIFY TIMING CHAIN INSTALLATION z Stop the engine z Remove the front cover z Is the camshaft timing mark at the correct point see TIMING CHAIN REMOVAL INSTALLATION MZI 3 5 Yes Go to the next step No Reinstall the timing chain then go to Step 6 5 INSPECT OCV LH z Inspect the OCV ...

Page 388: ...ed DETECTION CONDITION z P0040 indicates that during KOER testing the front HO2S signal s response for a fuel shift to the correct engine bank was not indicated z P0041 indicates that during KOER testing the rear HO2S signal s response for a fuel shift to the correct engine bank was not indicated POSSIBLE CAUSE z Crossed HO2S harness connectors z Crossed wiring at HO2S harness connectors z Crossed...

Page 389: ... Are there crossed connections or wires Yes Repair if necessary No Go to the next step 4 VERIFY TROUBLESHOOTING OF DTC P0040 P0041 HAS BEEN COMPLETED z Verify that all disconnected connectors reconnected z Turn the ignition switch to the ON position Engine off z Clear the DTC from the PCM memory using the M MDS z Start the engine and run it at idle z Retrieve DTCs using the M MDS z Is the PENDING ...

Page 390: ...cuit POSSIBLE CAUSE z Open circuit between HO2S terminal C and main relay No 1 terminal E z Short to ground circuit between HO2S terminal A and body ground z HO2S circuits are shorted each other z DTC P0053 Open circuit between front HO2S RH terminal A and PCM termina z DTC P0054 Open circuit between rear HO2S RH terminal A and PCM terminal z DTC P0059 Open circuit between front HO2S LH terminal A...

Page 391: ...2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 29 AM Page 44 2005 Mitchell Repair Information Company LLC ...

Page 392: ...nector z Perform the KOEO self test z Measure the voltage between the suspect HO2S connector terminal A and C on the wiring harness side z Is the voltage more than 10 V Yes Turn the ignition switch off Go to the next step No Repair or replace suspected part then go to step 9 4 INSPECT HO2S HEATER FOR SHORT TO GROUND z Disconnect the PCM z Measure the resistance between HO2S connector terminal A th...

Page 393: ...een PCM terminal 2E and front HO2S LH terminal A z For DTC P0060 Measure resistance between PCM terminal 2AO and rear HO2S LH terminal A z Is the resistance less than 5 0 ohms Yes Go to the next step No Repair or replace suspected part Go to Step 9 7 INSPECT INTERNAL RESISTANCE OF HO2S HEATER z Measure the resistance between the suspect HO2S terminal A and C on the component side z Is the resistan...

Page 394: ...ectors reconnected z Turn the ignition switch to the ON position Engine off z Clear the DTC from the PCM memory using the M MDS z Start the engine and run it at idle z Retrieve DTCs using the M MDS z Is the PENDING CODE for this DTC present Yes Replace the PCM then go to the next step see PCM REMOVAL INSTALLATION MZI 3 5 No Go to the next step 10 VERIFY AFTER REPAIR PROCEDURE z Perform AFTER REPAI...

Page 395: ...s available Yes Perform repair or diagnosis according to available Service Bulletins z If vehicle is not repaired go to next step No Go to next step 3 VERIFY RELATED PENDING CODE OR STORED DTC z Verify the related PENDING CODE or stored DTCs z Are other DTCs present Yes Go to appropriate DTC inspection See DTC TABLE MZI 3 5 No Go to next step 4 INSPECT FOR INLET AIR LEAKS z Listen for air noise ar...

Page 396: ...ous memory DTCs z Are any DTCs present Yes Replace the malfunctioning part then go to the next step No Perform the INTERMITTENT CONCERN TROUBLESHOOTING Then go to the next step 8 VERIFY TROUBLESHOOTING OF DTC P0068 HAS BEEN COMPLETED z Verify that all disconnected connectors reconnected z Clear DTC from memory using M MDS z Start engine z Perform KOEO KOER self test See KOEO KOER SELF TEST MZI 3 5...

Page 397: ...it wiring harness between MAF sensor terminal A and main relay No 1 terminal D z Open circuit wiring harness between MAF sensor terminal C and PCM terminal 1 z Open circuit wiring harness between MAF sensor terminal D and PCM terminal 1 z Open circuit wiring harness between MAF sensor terminal B and body ground z Short to ground circuit between MAF sensor terminal D and PCM terminal 1AN z Intake a...

Page 398: ...recorded Yes Go to the next step No Record FREEZE FRAME DATA on the repair order then go to the next step 2 VERIFY RELATED REPAIR Yes Perform repair or diagnosis according to 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 29 AM Page 51 2005 Mitchell Repair Information Company LLC ...

Page 399: ...off z Measure the voltage between MAF sensor terminal A and body ground z Is the voltage B Yes Go to the next step No Repair or replace suspected part then go to Step 10 5 INSPECT PCM CONNECTOR FOR POOR CONNECTION z Turn the ignition switch off z Disconnect PCM connector z Inspect for poor connection such as damaged pulled out pins corrosion z Are there any malfunction Yes Repair or replace suspec...

Page 400: ...een MAF sensor terminal B and body ground z Are there continuity Yes Go to the next step No Repair or replace suspected part then go to Step 10 9 INSPECT THE MAF SENSOR z Inspect the MAF sensor see MASS AIR FLOW MAF SENSOR INSPECTION MZI 3 5 z Are there any malfunction Yes Replace the MAF IAT sensor then go to the next step see MASS AIR FLOW MAF INTAKE AIR TEMPERATURE IAT SENSOR REMOVAL INSTALLATI...

Page 401: ...BLE MZI 3 5 No Troubleshooting completed DTC P0103 MAF circuit high input DETECTION CONDITION z The MAF sensor circuit is monitored by the PCM for high air flow or voltage inp through the CCM If during KOEO or KOER the air flow or voltage changes ab a maximum calibrated limit the test fails POSSIBLE CAUSE z Short to power supply in wiring harness between MAF sensor terminal D and PCM terminal 1AN ...

Page 402: ...SPECTION ACTION 1 VERIFY FREEZE FRAME DATA HAS BEEN RECORDED Yes Go to the next step 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 29 AM Page 55 2005 Mitchell Repair Information Company LLC ...

Page 403: ...the next step 4 INSPECT MAF SIGNAL CIRCUIT FOR SHORT TO POWER SUPPLY z Turn the ignition switch to the ON position Engine off z Measure voltage between MAF sensor terminal D wiring harness side and body ground z Is voltage B No Repair or replace suspected part then go to Step 7 Yes Go to the next step 5 INSPECT PCM CONNECTOR FOR POOR CONNECTION z Turn the ignition switch off z Disconnect PCM conne...

Page 404: ...DTC present Yes Go to the applicable DTC inspection See DTC TABLE MZI 3 5 No Troubleshooting completed DTC P0104 MAF circuit intermittent erratic DETECTION CONDITION z A concern exists in the MAF sensor circuit or the air tube containing the sensor causing an incorrect air flow reading POSSIBLE CAUSE z Air leaks in the tube from the MAF to the throttle body z Open circuit wiring harness between MA...

Page 405: ... z Short to ground circuit between MAF sensor terminal D and PCM terminal 1AN z Connector or terminal malfunction 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 29 AM Page 58 2005 Mitchell Repair Information Company LLC ...

Page 406: ...ECT AIR SUCTIONING BETWEEN MAF SENSOR AND TP SENSOR z Inspect for major leaks cracks and openings between MAF sensor and throttle body z Are there any malfunction Yes Repair or replace the malfunctioning part then go to Step 10 No Go to next step 5 INSPECT MAF SENSOR CONNECTOR FOR POOR CONNECTION z Turn the ignition switch off z Disconnect the MAF IAT sensor connector z Inspect for poor connection...

Page 407: ...ctioning part then go to Step 10 No Go to next step 8 INSPECT PCM CONNECTOR FOR POOR CONNECTION z Turn the ignition switch off z Disconnect the MAF IAT sensor connector z Inspect for poor connection such as damaged pulled out pins corrosion z Are there any malfunction Yes Repair or replace the malfunctioning part then go to Step 10 No Go to next step 9 INSPECT MAF SENSOR CIRCUIT FOR OPEN CIRCUIT z...

Page 408: ...AIR PROCEDURE See AFTER REPAIR PROCEDURE MZI 3 5 z Are any DTCs present Yes Go to the applicable DTC inspection See DTC TABLE MZI 3 5 No Troubleshooting completed DTC P0111 IAT sensor circuit range performance DETECTION CONDITION z Indicates the IAT rationality test has failed This DTC indicates that the IAT value is higher than a calibrated value and could prevent 1 or more on board diagnostic OB...

Page 409: ...spect IAT sensor see INTAKE AIR SYSTEM REMOVAL INSTALLATION MZI 3 5 z Is IAT sensor normal Yes Go to the next step No Replace MAF IAT sensor then go to the next step see MASS AIR FLOW MAF INTAKE AIR TEMPERATURE IAT SENSOR REMOVAL INSTALLATION MZI 3 5 4 VERIFY TROUBLESHOOTING OF DTC P0111 HAS BEEN COMPLETED z Verify that all disconnected connectors reconnected z Clear the DTC from the PCM memory us...

Page 410: ...that the sensor signal is less than the self test minimum The IAT sensor minimum is 0 2 V or 121 C 250 F POSSIBLE CAUSE z Short to ground circuit between MAF IAT sensor terminal F and PCM terminal 1A z IAT sensor malfunction z Connector or terminal malfunction 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 29 AM Page 63...

Page 411: ...tep No Record FREEZE FRAME DATA on the repair order then go to the next step 2 VERIFY RELATED REPAIR INFORMATION AVAILABILITY Yes Perform repair or diagnosis according to the available Service Bulletins 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 29 AM Page 64 2005 Mitchell Repair Information Company LLC ...

Page 412: ...lue change Yes Replace MAF IAT sensor or harness then go to Step 6 No Go to the next step 5 INSPECT IAT SIGNAL CIRCUIT FOR SHORT TO GROUND z Turn the ignition switch off z Disconnect PCM connector z Inspect continuity between MAF IAT sensor terminal F wiring harness side and body ground z Is there continuity Yes Repair or replace suspected part then go to the next step No Go to the next step 6 VER...

Page 413: ...ircuit high input DETECTION CONDITION z Indicates the sensor signal is more than the self test maximum The IAT sensor maximum is 4 6 V or 50 C 58 F POSSIBLE CAUSE z Open circuit between MAF IAT sensor terminal E and PCM terminal 1AL z Open circuit between MAF IAT sensor terminal F and PCM terminal 1AF z Short to power supply between MAF IAT sensor terminal F and PCM terminal 1A z IAT sensor malfun...

Page 414: ...the next step No Record FREEZE FRAME DATA on the repair order then go to the next step 2 VERIFY RELATED REPAIR INFORMATION AVAILABILITY Yes Perform repair or diagnosis according to the available Service Bulletins 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 29 AM Page 67 2005 Mitchell Repair Information Company LLC ...

Page 415: ...ure voltage between MAF IAT sensor terminal F wiring harness side and body ground z Is voltage 4 5 5 5 V Yes Inspect the IAT sensor see INTAKE AIR TEMPERATURE IAT SENSOR INSPECTION MZI 3 5 Replace if necessary then go to Step 9 No Go to the next step 5 INSPECT IAT SENSOR SIGNAL CIRCUIT FOR SHORT TO POWER SUPPLY z Turn the ignition switch to the ON position Engine off z Measure voltage between MAF ...

Page 416: ...ep No Repair or replace suspected part then go to the next step 9 VERIFY TROUBLESHOOTING OF DTC P0113 HAS BEEN COMPLETED z Verify that all disconnected connectors reconnected z Turn the ignition switch to the ON position Engine off z Clear the DTC from the PCM memory using the M MDS z Start engine and warm it up completely z Is same DTC present Yes Replace the PCM then go to the next step see PCM ...

Page 417: ... on line repair information availability z Is any related Service Bulletins available Yes Perform repair or diagnosis according to the available Service Bulletins z If the vehicle is not repaired go to the next step No Go to the next step 3 INSPECT CONNECTOR FOR POOR CONNECTION z Turn the ignition switch off z Disconnect PCM connector and IAT sensor connectors z Inspect for poor connection such as...

Page 418: ...Y TROUBLESHOOTING OF DTC P0114 HAS BEEN COMPLETED z Verify that all disconnected connectors reconnected z Turn the ignition switch to the ON position Engine off z Clear the DTC from the PCM memory using the M MDS z Start the engine and run it at idle z Retrieve DTCs using the M MDS z Is the PENDING CODE for this DTC present Yes Replace the PCM then go to the next step see PCM REMOVAL INSTALLATION ...

Page 419: ...e typically 17 C 30 F The CHT exceeds a calibrated value typically 107 C 225 F The fuel system heated oxygen and misfire monitors have not completed The calibrated time to set DTC P0116 has expired POSSIBLE CAUSE z Cooling system malfunction z CHT sensor malfunction STEP INSPECTION ACTION 1 VERIFY FREEZE FRAME DATA HAS BEEN RECORDED z Has FREEZE FRAME DATA been recorded Yes Go to the next step No ...

Page 420: ...C P0116 HAS BEEN COMPLETED z Make sure to reconnect all disconnected connectors z Clear DTC from memory using M MDS z Start the engine z Perform the KOEO KOER self test See KOEO KOER SELF TEST MZI 3 5 z Is same DTC present Yes Replace the PCM then go to next step see PCM REMOVAL INSTALLATION MZI 3 5 No Go to the next step 6 VERIFY AFTER REPAIR PROCEDURE z Perform the AFTER REPAIR PROCEDURE See AFT...

Page 421: ... diagnosis according to available Service Bulletins z If vehicle is not repaired go to the next step No Go to the next step 3 INSPECT CONNECTOR FOR POOR CONNECTION z Turn the ignition switch off z Disconnect PCM connector and CHT sensor connectors z Inspect for poor connection such as damaged pulled out pins and corrosion z Is there any malfunction Yes Repair or replace suspected part then go to S...

Page 422: ...r Pushed out pins Corrosion z Connect all the PCM connectors and verify that they seat correctly z Retrieve DTCs using the M MDS z Is the PENDING CODE for this DTC present Yes Go to the next step No The system is correctly Go to the next step 7 VERIFY TROUBLESHOOTING OF DTC P0119 HAS BEEN COMPLETED z Make sure to reconnect all disconnected connectors z Clear the DTC from memory using M MDS z Start...

Page 423: ...he TP sensor No 1 circuit was flagged as a concern by the PCM indicating a low voltage or open circuit POSSIBLE CAUSE z TP sensor No 1 malfunction z Connector or terminal malfunction z Open circuit between throttle body terminal F and PCM terminal 2Z z Short to ground circuit between throttle body terminal F and PCM terminal 2Z z Open circuit between throttle body terminal E and PCM terminal 2AH 2...

Page 424: ...recorded Yes Go to the next step No Record FREEZE FRAME DATA on the repair order then go to the next step 2 VERIFY RELATED REPAIR Yes Perform repair or diagnosis according to 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 29 AM Page 77 2005 Mitchell Repair Information Company LLC ...

Page 425: ... TP sensor terminal F wiring harness side and body ground z Is there continuity Yes Repair or replace suspected part then go to Step 9 No Go to the next step 5 INSPECT PCM CONNECTOR FOR POOR CONNECTION z Turn the ignition switch off z Disconnect the PCM connector z Inspect for poor connection such as damaged pulled out pins corrosion z Are there any malfunction Yes Repair or replace suspected part...

Page 426: ...AS BEEN COMPLETED z Make sure to reconnect all disconnected connectors z Clear the DTC from the PCM memory using the M MDS z Start the engine z Perform the KOEO KOER self test See KOEO KOER SELF TEST MZI 3 5 z Is same DTC present Yes Replace the PCM then go to the next step see PCM REMOVAL INSTALLATION MZI 3 5 No Go to the next step 10 VERIFY AFTER REPAIR PROCEDURE z Perform the AFTER REPAIR PROCE...

Page 427: ...gh voltage POSSIBLE CAUSE z TP sensor No 1 malfunction z Connector or terminal malfunction z Short to constant voltage supply circuit between throttle body terminal F and PCM terminal 2Z z TP sensor signal circuits are shorted each other 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 30 AM Page 80 2005 Mitchell Repair I...

Page 428: ...ttle body connector z Inspect for poor connection such as damaged pulled out pins corrosion z Are there any malfunction Yes Repair or replace suspected part then go to Step 8 No Go to the next step 4 INSPECT PCM CONNECTOR FOR POOR CONNECTION z Turn the ignition switch off z Disconnect the PCM connector z Inspect for poor connection such as damaged pulled out pins corrosion z Are there any malfunct...

Page 429: ...hen go to the next step No Go to the next step 8 VERIFY TROUBLESHOOTING OF DTC P0123 HAS BEEN COMPLETED z Make sure to reconnect all disconnected connectors z Clear the DTC from the PCM memory using the M MDS z Start the engine z Perform the KOEO KOER self test See KOEO KOER SELF TEST MZI 3 5 z Is same DTC present Yes Replace the PCM then go to the next step see PCM REMOVAL INSTALLATION MZI 3 5 No...

Page 430: ...TA been recorded Yes Go to the next step No Record FREEZE FRAME DATA on the repair order then go to the next step 2 VERIFY RELATED REPAIR INFORMATION AVAILABILITY z Verify related Service Bulletins and or on line repair information availability z Is any related Service Bulletins available Yes Perform repair or diagnosis according to the available Service Bulletins z If the vehicle is not repaired ...

Page 431: ...monitor the CHT PID z Is the temperature more than 77 C 170 6 F Yes The test is complete Go to the next step No Inspect the thermostat operation Repair if necessary see THERMOSTAT INSPECTION MZI 3 5 5 VERIFY TROUBLESHOOTING OF DTC P0128 HAS BEEN COMPLETED z Verify that all disconnected connectors are reconnected z Turn the ignition switch to the ON position Engine off z Clear the DTC from the PCM ...

Page 432: ...ar HO2S RH circuit high voltage DTC P0152 P0152 Front HO2S LH circuit high voltage DTC P0158 P0158 Rear HO2S LH circuit high voltage DETECTION CONDITION z The HO2S signals are monitored for an over voltage condition z The code is set when the HO2S signal voltage is 1 5 V or more POSSIBLE CAUSE z Short to power supply in the wiring harness or HO2S 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMAN...

Page 433: ...AGNOSTIC PROCEDURE 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 30 AM Page 86 2005 Mitchell Repair Information Company LLC ...

Page 434: ...witch off z Disconnect the HO2S connector z Visually inspect the HO2S wiring harness Check the connector both halves for contamination Make sure the connector pins are fully seated z Is a concern present NOTE z Disconnect the HO2S wiring harness connector Yes Repair if necessary Go to Step 9 No Go to the next step 4 INSPECT WHETHER HO2S SIGNAL LEVEL IS TOO HIGH z Connect the HO2S connector z Turn ...

Page 435: ...e suspected part Then go to the next step No Go to Step 9 7 INSPECT HO2S z For DTC P0132 Inspect the front HO2S RH z For DTC P0138 Inspect the rear HO2S RH z For DTC P0152 Inspect the front HO2S LH z For DTC P0138 Inspect the rear HO2S LH see FRONT HEATED OXYGEN SENSOR HO2S INSPECTION MZI 3 5 see REAR HEATED OXYGEN SENSOR HO2S INSPECTION MZI 3 5 z Is there any malfunction Yes Replace the HO2S see ...

Page 436: ... PCM then go to the next step see PCM REMOVAL INSTALLATION MZI 3 5 No Go to the next step 10 VERIFY AFTER REPAIR PROCEDURE z Perform AFTER REPAIR PROCEDURE See AFTER REPAIR PROCEDURE MZI 3 5 z Are any DTC present Yes Go to the applicable DTC inspection See DTC TABLE MZI 3 5 No Troubleshooting completed DTC P0133 P0133 Front HO2S RH circuit slow response DTC P0139 P0139 Rear HO2S RH circuit slow re...

Page 437: ...rness side z Short to ground in wiring harness between PCM terminal 1BJ wiring harness side and PCM terminal 2BC wiring harness side z Short to ground in wiring harness between HO2S terminal A wiring harness side and battery negative terminal z Short to ground in wiring harness between HO2S terminal A wiring harness side and HO2S terminal C wiring harness side z Short to ground in wiring harness b...

Page 438: ...0153 P0159 MZI 3 5 DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION 1 VERIFY FREEZE FRAME DATA Yes Go to the next step 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 30 AM Page 91 2005 Mitchell Repair Information Company LLC ...

Page 439: ...priate DTC troubleshooting See DTC TABLE MZI 3 5 No Go to the next step 4 INSPECT FOR UNMETERED AIR LEAKS z Carefully inspect the following areas for potential air leaks Hoses connecting to the MAF sensor assembly Hoses connecting to the throttle body Intake manifold gasket leaks PCV system The vacuum lines are disconnected Improperly seated engine oil dipstick tube or oil filler cap Exhaust leaks...

Page 440: ...2S LH terminal B wiring harness side PCM terminal 2BC wiring harness side and rear HO2S LH terminal B wiring harness side PCM terminal 2AL wiring harness side and HO2S terminal D wiring harness side z Are the resistances less than 5 ohms No Repair or replace suspected part Then go to Step 17 6 INSPECT HO2S CIRCUIT FOR SHORT TO POWER SUPPLY z Measure the resistance between the following terminals P...

Page 441: ... contaminated fuel Short drive cycles in cold weather Use of unapproved cleaning agents z Is a concern present Yes Repair the source of the contamination Change the engine oil and oil filter Then go to Step 17 No Go to the next step 8 VISUALLY INSPECT HO2S WIRING HARNESS z Connect the PCM connector z Visually inspect the HO2S wiring harness for exposed wiring water contamination corrosion and prop...

Page 442: ... than 5 ohms NOTE z Verify the wiring harness terminals are in the proper location No Repair or replace suspected part Then go to Step 17 10 INSPECT HO2S CONTROL CIRCUIT IN WIRING HARNESS z Turn the ignition switch off z Disconnect the HO2S connector z Perform the KOEO self test z Measure the voltage between HO2S connector terminal C and D on the wiring harness side z Is the voltage more than 10 V...

Page 443: ... Then go to Step 17 12 INSPECT HO2S HEATER CIRCUIT FOR OPEN CIRCUIT IN WIRING HARNESS z Measure the resistance For DTC P0133 measure resistance between PCM terminal 2J and front HO2S RH terminal A For DTC P0153 measure resistance between PCM terminal 2AS and rear HO2S RH terminal A For DTC P0139 measure resistance between PCM terminal 2E and front HO2S LH terminal A For DTC P0159 measure resistanc...

Page 444: ...REAR HEATED OXYGEN SENSOR HO2S REMOVAL INSTALLATION MZI 3 5 Then go to Step 17 15 INSPECT HO2S z For DTC P0133 Inspect the front HO2S RH z For DTC P0139 Inspect the rear HO2S RH z For DTC P0153 Inspect the front HO2S LH z For DTC P0159 Inspect the rear HO2S LH see FRONT HEATED OXYGEN SENSOR HO2S INSPECTION MZI 3 5 see REAR HEATED OXYGEN SENSOR HO2S INSPECTION MZI 3 5 z Is there any malfunction Yes...

Page 445: ... DTCs using the M MDS z Is the PENDING CODE for this DTC present Yes Replace PCM then go to the next step see PCM REMOVAL INSTALLATION MZI 3 5 No Go to the next step 18 VERIFY AFTER REPAIR PROCEDURE z Perform AFTER REPAIR PROCEDURE See AFTER REPAIR PROCEDURE MZI 3 5 z Are any DTC present Yes Go to the applicable DTC inspection See DTC TABLE MZI 3 5 No Troubleshooting completed DTC P0135 P0135 Fron...

Page 446: ...ring harness connector z Open circuit between PCM terminal 2J and front HO2S RH terminal A z Open circuit between PCM terminal 2AS and rear HO2S RH terminal A z Open circuit between PCM terminal 2E and front HO2S LH terminal A z Open circuit between PCM terminal 2AO and rear HO2S LH terminal A z Low battery voltage z Corrosion or incorrect harness connections z HO2S heater malfunction 2007 Mazda C...

Page 447: ...2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 30 AM Page 100 2005 Mitchell Repair Information Company LLC ...

Page 448: ...te the following items as potential sources of HO2S contamination Use of unapproved silicon sealers Fuel contaminated by silicon additives Excessive oil consumption Glycol leaking internally in the engine Lead contaminated fuel Short drive cycles in cold weather Use of unapproved cleaning agents z Is a concern present Yes Repair the source of the contamination Change the engine oil and oil filter ...

Page 449: ...0 kilohms Yes Go to the next step No Repair or replace suspected part Go to Step 12 7 INSPECT HO2S HEATER FOR SHORT IN WIRING HARNESS z Measure the resistance between the following terminals HO2S terminal A wiring harness side and HO2S terminal C wiring harness side HO2S terminal A wiring harness side and HO2S terminal D wiring harness side HO2S terminal A wiring harness side and HO2S terminal B w...

Page 450: ... step No Replace HO2S see FRONT HEATED OXYGEN SENSOR HO2S REMOVAL INSTALLATION MZI 3 5 see REAR HEATED OXYGEN SENSOR HO2S REMOVAL INSTALLATION MZI 3 5 Go to Step 12 10 INSPECT HO2S CASE FOR SHORT TO POWER SUPPLY HTR AND SIGNRTN z Measure the resistance between the suspect HO2S terminal A and D at component side z Measure the resistance between the suspect HO2S terminal A and body ground z Is the r...

Page 451: ...e M MDS z Retrieve DTCs using the M MDS z Is the PENDING CODE for this DTC present Yes Replace PCM then go to the next step see PCM REMOVAL INSTALLATION MZI 3 5 No Go to the next step 13 VERIFY AFTER REPAIR PROCEDURE z Perform AFTER REPAIR PROCEDURE See AFTER REPAIR PROCEDURE MZI 3 5 z Are any DTC present Yes Go to the applicable DTC inspection See DTC TABLE MZI 3 5 No Troubleshooting completed DT...

Page 452: ...s not repaired go to the next step No Go to the next step 3 INSPECT SYSTEM INTEGRITY z Visually inspect the complete fuel delivery system for damage and leakage z Check the following Fuel lines and connections Relays Fuel tank Fuel pump Fuel pressure regulator Fuel pulse damper Fuel rail at fuel injectors Damaged connector pins Electrical connectors not fully engaged z Verify that the vehicle has ...

Page 453: ...to the fuel rail z Inspect for the presence of fuel in the vacuum line of each device connected to the fuel rail z Are all vacuum lines for system related devices indicating no fuel present Yes Go to the next step No If the vacuum line connected to a component indicates that a fuel leak is present install a new component Then go to Step 11 5 INSPECT FUEL PRESSURE z Turn the ignition switch off z R...

Page 454: ...rmation Yes Go to the next step No Repair or replace suspected part Then go to Step 11 7 INSPECT FUEL PUMP POWER SUPPLY CIRCUIT FOR OPEN CIRCUIT IN WIRING HARNESS z Disconnect the fuel pump connector z Turn the ignition switch to the ON position Engine off z Access the PCM and control the FP PID z Measure the voltage between fuel pump connector terminal B wiring harness side and body ground z Is t...

Page 455: ...and then stabilize NOTE z During output state control the fuel pump stays commanded on for only approx 5 s No Go to the next step 9 INSPECT FUEL INJECTOR OPERATION z Remove the fuel injector z Inspect the fuel injector operation z Is the fuel injector normal Yes Go to the next step No Replace the fuel injector then go to Step 11 10 INSPECT FUEL SUPPLY LINE FOR RESTRICTION z Disconnect the fuel sup...

Page 456: ...e DTCs using the M MDS z Is the PENDING CODE for this DTC present Yes Replace PCM then go to the next step see PCM REMOVAL INSTALLATION MZI 3 5 No Go to the next step 12 VERIFY AFTER REPAIR PROCEDURE z Perform AFTER REPAIR PROCEDURE See AFTER REPAIR PROCEDURE MZI 3 5 z Are any DTC present Yes Go to the applicable DTC inspection See DTC TABLE MZI 3 5 No Troubleshooting completed DTC P0171 P0171 Sys...

Page 457: ...nsor z Vacuum leaks z PCV system is leaking or the valve is stuck open z Improperly seated engine oil dipstick z Damaged or contaminated MAF sensor STEP INSPECTION ACTION 1 VERIFY FREEZE FRAME DATA HAS BEEN RECORDED z Has FREEZE FRAME DATA been recorded Yes Go to the next step No Record FREEZE FRAME DATA on the repair order then go to the next step 2 VERIFY RELATED REPAIR INFORMATION AVAILABILITY ...

Page 458: ...maged or cracked vacuum vacuum hose joint z Verify the integrity of the positive crankcase ventilation system z Verify that the PCV valve part number is correct z Is a concern present Yes Repair if necessary Then go to Step 7 No Go to the next step 5 INSPECT FOR PRESENCE OF VACUUM LEAK NOTE z Fuel trim values at idle are more sensitive to a vacuum leak The vacuum leak unmetered air represents a la...

Page 459: ... idle and 2 500 engine load when the vacuum leak represents a small portion of the total air flow z When calculating the total fuel correction in the following steps if LONGFT1 equals 13 and SHRTFT1 equals 23 the total fuel correction for bank 1 equals 36 If LONGFT2 equals 24 and SHRTFT2 equals 3 the total fuel correction for bank 2 equals 21 z If the freeze frame ECT PID is available stabilize th...

Page 460: ...onitoring for a decrease in the SHRTFT PIDs in the following steps if SHRTFT1 equals 15 and the hose is restricted SHRTFT1 decreases to 7 The total decrease in the SHRTFT PIDs equals 22 Yes Repair if necessary Then go to the next step No Inspect the intake air system for a vacuum leak in the intake manifold or intake gaskets Repair if necessary Then go to the next step 7 VACUUM LEAK REPAIR VERIFIC...

Page 461: ...ent SHRTFT PID values z Is the decrease in the SHRTFT PIDs more than 15 101 C 180 215 F and the intake air temperature less than 46 C 115 F No A vacuum leak is still present Go to Step 6 8 INSPECT FUEL PRESSURE z Remove the jumper wire s WARNING z Fuel line spills and leakage are dangerous Fuel can ignite and cause serious injuries or death Fuel can also irritate skin and eyes To prevent this alwa...

Page 462: ... go to Step 13 No Inspect the low pressure side fuel filter for the following z Foreign materials or stain inside fuel filter Perform the following actions as a result z If foreign material or staining is found inside the fuel filter low pressure side clean the fuel tank and filter z If normal replace fuel pump unit Then go to Step 13 10 INSPECT FUEL INJECTOR OPERATION z Remove fuel injector z Ins...

Page 463: ...itor the HO2S signal PID z Wiggle shake and bend small sections of the wiring harness while working from the sensor to the PCM z While monitoring the HO2S PID does the HO2S stop switching Yes Isolate the concern and repair if necessary Then go to the next step No Go to the next step 13 VERIFY TROUBLESHOOTING OF DTC P0171 P0174 HAS BEEN COMPLETED z Verify that all disconnected connectors are reconn...

Page 464: ...ndicates that the fuel air ratio is too rich LH z The adaptive fuel strategy continuously monitors the fuel delivery hardware The test fails when the adaptive fuel tables reach a rich calibrated limit POSSIBLE CAUSE Fuel System z Damaged or leaking fuel pulse damper z Leaking fuel injectors z Fuel return line restricted z Fuel rail pressure sensor bias z Purge solenoid valve is leaking when the ca...

Page 465: ... P2198 Yes Go to the appropriate DTC troubleshooting procedures See DTC TABLE MZI 3 5 No Go to the next step 4 INSPECT ENTIRE INTAKE AIR SYSTEM FOR DEBRIS BLOCKAGE OR OTHER DAMAGE z Check the intake air system for obstructions restrictions and damage z Check the throttle plate for obstructions or sludge z Check the air filter element and housing for blockage z Is a concern present Yes Repair if ne...

Page 466: ...anges refer to the FUEL LINE PRESSURE INSPECTION No Replace the fuel pump unit Then go to Step 9 6 INSPECT FUEL INJECTOR OPERATION z Remove fuel injector z Inspect the injector operation z Is the fuel injector normal Yes Go to the next step No Replace the fuel injector Then go to Step 9 7 INSPECT HO2S OUTPUT VOLTAGE z Visually inspect the HO2S circuit for exposed wiring contamination corrosion and...

Page 467: ...2S stop switching Yes Isolate the concern and repair if necessary Then go to the next step No Go to the next step 9 VERIFY TROUBLESHOOTING OF DTC P0172 P0175 HAS BEEN COMPLETED z Verify that all disconnected connectors are reconnected z Turn the ignition switch to the ON position Engine off z Clear the DTC from the PCM memory using the M MDS z Start the engine and run it at idle z Retrieve DTCs us...

Page 468: ...uel injector drivers in the PCM The test if the fuel injector circuitry is inoperative POSSIBLE CAUSE z Fuel injector No 1 malfunction z Connector or terminal malfunction z Open circuit between fuel pump relay and fuel injector No 1 terminal B z Open circuit between fuel injector No 1 terminal A and PCM terminal 2BJ 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 ...

Page 469: ...rder then go to the next step 2 VERIFY RELATED REPAIR INFORMATION AVAILABILITY z Verify related Service Bulletins availability Yes Perform repair or diagnosis according to available Service Bulletins z If vehicle is not repaired go to the next step 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 30 AM Page 122 2005 Mitch...

Page 470: ...INSPECT FUEL INJECTOR NO 1 POWER SUPPLY CIRCUIT FOR OPEN CIRCUIT z Turn the ignition switch to the ON position Engine off z Measure the voltage between fuel injector No 1 connector terminal B and body ground z Is the voltage B Yes Go to the next step No Repair or replace suspected part then go to Step 8 6 INSPECT FUEL INJECTOR NO 1 SIGNAL CIRCUIT FOR OPEN CIRCUIT z Inspect continuity between fuel ...

Page 471: ...PAIR PROCEDURE See AFTER REPAIR PROCEDURE MZI 3 5 z Are any DTCs present Yes Go to the applicable DTC inspection See DTC TABLE MZI 3 5 No Troubleshooting completed DTC P0202 Injector circuit open cylinder No 2 DETECTION CONDITION z The CCM monitors the operation of the fuel injector drivers in the PCM The test if the fuel injector circuitry is inoperative POSSIBLE CAUSE z Fuel injector No 2 malfun...

Page 472: ...rder then go to the next step 2 VERIFY RELATED REPAIR INFORMATION AVAILABILITY z Verify related Service Bulletins availability Yes Perform repair or diagnosis according to available Service Bulletins z If vehicle is not repaired go to the next step 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 30 AM Page 125 2005 Mitch...

Page 473: ...INSPECT FUEL INJECTOR NO 2 POWER SUPPLY CIRCUIT FOR OPEN CIRCUIT z Turn the ignition switch to the ON position Engine off z Measure the voltage between fuel injector No 2 connector terminal B and body ground z Is the voltage B Yes Go to the next step No Repair or replace suspected part then go to Step 8 6 INSPECT FUEL INJECTOR NO 2 SIGNAL CIRCUIT FOR OPEN CIRCUIT z Inspect continuity between fuel ...

Page 474: ...PAIR PROCEDURE See AFTER REPAIR PROCEDURE MZI 3 5 z Are any DTCs present Yes Go to the applicable DTC inspection See DTC TABLE MZI 3 5 No Troubleshooting completed DTC P0203 Injector circuit open cylinder No 3 DETECTION CONDITION z The CCM monitors the operation of the fuel injector drivers in the PCM The test if the fuel injector circuitry is inoperative POSSIBLE CAUSE z Fuel injector No 3 malfun...

Page 475: ...rder then go to the next step 2 VERIFY RELATED REPAIR INFORMATION AVAILABILITY z Verify related Service Bulletins availability Yes Perform repair or diagnosis according to available Service Bulletins z If vehicle is not repaired go to the next step 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 30 AM Page 128 2005 Mitch...

Page 476: ...INSPECT FUEL INJECTOR NO 3 POWER SUPPLY CIRCUIT FOR OPEN CIRCUIT z Turn the ignition switch to the ON position Engine off z Measure the voltage between fuel injector No 3 connector terminal B and body ground z Is the voltage B Yes Go to the next step No Repair or replace suspected part then go to Step 8 6 INSPECT FUEL INJECTOR NO 3 SIGNAL CIRCUIT FOR OPEN CIRCUIT z Inspect continuity between fuel ...

Page 477: ...PAIR PROCEDURE See AFTER REPAIR PROCEDURE MZI 3 5 z Are any DTCs present Yes Go to the applicable DTC inspection See DTC TABLE MZI 3 5 No Troubleshooting completed DTC P0204 Injector circuit open cylinder No 4 DETECTION CONDITION z The CCM monitors the operation of the fuel injector drivers in the PCM The test if the fuel injector circuitry is inoperative POSSIBLE CAUSE z Fuel injector No 4 malfun...

Page 478: ...rder then go to the next step 2 VERIFY RELATED REPAIR INFORMATION AVAILABILITY z Verify related Service Bulletins availability Yes Perform repair or diagnosis according to available Service Bulletins z If vehicle is not repaired go to the next step 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 31 AM Page 131 2005 Mitch...

Page 479: ...INSPECT FUEL INJECTOR NO 4 POWER SUPPLY CIRCUIT FOR OPEN CIRCUIT z Turn the ignition switch to the ON position Engine off z Measure the voltage between fuel injector No 4 connector terminal B and body ground z Is the voltage B Yes Go to the next step No Repair or replace suspected part then go to Step 8 6 INSPECT FUEL INJECTOR NO 4 SIGNAL CIRCUIT FOR OPEN CIRCUIT z Inspect continuity between fuel ...

Page 480: ...PAIR PROCEDURE See AFTER REPAIR PROCEDURE MZI 3 5 z Are any DTCs present Yes Go to the applicable DTC inspection See DTC TABLE MZI 3 5 No Troubleshooting completed DTC P0205 Injector circuit open cylinder No 5 DETECTION CONDITION z The CCM monitors the operation of the fuel injector drivers in the PCM The test if the fuel injector circuitry is inoperative POSSIBLE CAUSE z Fuel injector No 5 malfun...

Page 481: ...e repair order then go to the next step 2 VERIFY RELATED REPAIR INFORMATION AVAILABILITY z Verify related Service Bulletins availability Yes Perform repair or diagnosis according to available Service Bulletins z If vehicle is not repaired go to the next step 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 31 AM Page 134 ...

Page 482: ...INSPECT FUEL INJECTOR NO 5 POWER SUPPLY CIRCUIT FOR OPEN CIRCUIT z Turn the ignition switch to the ON position Engine off z Measure the voltage between fuel injector No 5 connector terminal B and body ground z Is the voltage B Yes Go to the next step No Repair or replace suspected part then go to Step 8 6 INSPECT FUEL INJECTOR NO 5 SIGNAL CIRCUIT FOR OPEN CIRCUIT z Inspect continuity between fuel ...

Page 483: ...PAIR PROCEDURE See AFTER REPAIR PROCEDURE MZI 3 5 z Are any DTCs present Yes Go to the applicable DTC inspection See DTC TABLE MZI 3 5 No Troubleshooting completed DTC P0206 Injector circuit open cylinder No 6 DETECTION CONDITION z The CCM monitors the operation of the fuel injector drivers in the PCM The test if the fuel injector circuitry is inoperative POSSIBLE CAUSE z Fuel injector No 6 malfun...

Page 484: ...rder then go to the next step 2 VERIFY RELATED REPAIR INFORMATION AVAILABILITY z Verify related Service Bulletins availability Yes Perform repair or diagnosis according to available Service Bulletins z If vehicle is not repaired go to the next step 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 31 AM Page 137 2005 Mitch...

Page 485: ...INSPECT FUEL INJECTOR NO 6 POWER SUPPLY CIRCUIT FOR OPEN CIRCUIT z Turn the ignition switch to the ON position Engine off z Measure the voltage between fuel injector No 6 connector terminal B and body ground z Is the voltage B Yes Go to the next step No Repair or replace suspected part then go to Step 8 6 INSPECT FUEL INJECTOR NO 6 SIGNAL CIRCUIT FOR OPEN CIRCUIT z Inspect continuity between fuel ...

Page 486: ...TER REPAIR PROCEDURE MZI 3 5 z Are any DTCs present Yes Go to the applicable DTC inspection See DTC TABLE MZI 3 5 No Troubleshooting completed DTC P0222 TP sensor No 2 circuit low input DETECTION CONDITION z The TP sensor No 2 circuit was flagged as a concern by the PCM indicating a low voltage or open circuit POSSIBLE CAUSE z TP sensor No 2 malfunction z Connector or terminal malfunction z Open c...

Page 487: ...ecorded Yes Go to the next step No Record FREEZE FRAME DATA on the repair order then go to the next step 2 VERIFY RELATED REPAIR Yes Perform repair or diagnosis according to 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 31 AM Page 140 2005 Mitchell Repair Information Company LLC ...

Page 488: ...o the ON position Engine off z Inspect for continuity between the following circuits TP sensor terminal D wiring harness side and body ground TP sensor terminal C wiring harness side and body ground z Are there continuity Yes Repair or replace suspected part then go to Step 9 No Go to the next step 5 INSPECT PCM CONNECTOR FOR POOR CONNECTION z Turn the ignition switch off z Disconnect the PCM conn...

Page 489: ...ction Yes Replace the throttle body then go to the next step No Go to the next step 9 VERIFY TROUBLESHOOTING OF DTC P0222 HAS BEEN COMPLETED z Make sure to reconnect all disconnected connectors z Clear the DTC from the PCM memory using the M MDS z Start the engine z Perform the KOEO KOER self test See KOEO KOER SELF TEST MZI 3 5 z Is same DTC present Yes Replace the PCM then go to the next step se...

Page 490: ...as flagged as a concern by the PCM indicating a high voltage POSSIBLE CAUSE z TP sensor No 2 malfunction z Connector or terminal malfunction z Open circuit wiring harness between throttle body terminal C and PCM terminal 2 z TP sensor signal circuits are shorted each other 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 ...

Page 491: ...EN RECORDED z Has FREEZE FRAME DATA Yes Go to the next step No Record FREEZE FRAME DATA on the repair order then go to the next step 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 31 AM Page 144 2005 Mitchell Repair Information Company LLC ...

Page 492: ...CM CONNECTOR FOR POOR CONNECTION z Turn the ignition switch off z Disconnect the PCM connector z Inspect for poor connection such as damaged pulled out pins corrosion z Are there any malfunction Yes Repair or replace suspected part then go to Step 8 No Go to the next step 5 INSPECT TP SIGNAL CIRCUIT FOR OPEN CIRCUIT z Turn the ignition switch off z Disconnect the PCM connector z Disconnect the thr...

Page 493: ...TC P0223 HAS BEEN COMPLETED z Make sure to reconnect all disconnected connectors z Clear the DTC from the PCM memory using the M MDS z Start the engine z Perform the KOEO KOER self test See KOEO KOER SELF TEST MZI 3 5 z Is same DTC present Yes Replace the PCM then go to the next step see PCM REMOVAL INSTALLATION MZI 3 5 No Go to the next step 9 VERIFY AFTER REPAIR PROCEDURE z Perform the AFTER REP...

Page 494: ...cuit The PCM expects to det vehicle power voltage coming through the fuel pump relay coil to the fuel pump c POSSIBLE CAUSE z Fuel pump relay malfunction z Connector or terminal malfunction z Open circuit wiring harness between fuel pump relay terminal E and PCM termina z Short to ground circuit between fuel pump relay terminal E and PCM terminal 1V z Open circuit wiring harness between ignition s...

Page 495: ...e repair order then go to the next step 2 VERIFY RELATED REPAIR INFORMATION AVAILABILITY z Verify related Service Bulletins availability Yes Perform repair or diagnosis according to available Service Bulletins z If vehicle is not repaired go to the next step 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 31 AM Page 148 ...

Page 496: ...spect for poor connection such as damaged pulled out pins corrosion z Are there malfunction Yes Repair or replace suspected part then go to Step 10 No Go to the next step 6 INSPECT FUEL PUMP RELAY POWER SUPPLY CIRCUIT FOR OPEN CIRCUIT z Turn the ignition switch to the ON position Engine off z Measure voltage between fuel pump relay connector terminal A harness side and body ground z Is voltage B Y...

Page 497: ... the next step 10 VERIFY TROUBLESHOOTING OF DTC P0230 HAS BEEN COMPLETED z Verify that all disconnected connectors reconnected z Clear DTC from memory using M MDS z Start the engine z Perform the KOEO KOER self test See KOEO KOER SELF TEST MZI 3 5 z Is same DTC present Yes Replace the PCM then go to the next step No Go to the next step 11 VERIFY AFTER REPAIR PROCEDURE z Perform the AFTER REPAIR PR...

Page 498: ...N and B voltage is not detected on the FPM circuit POSSIBLE CAUSE z Fuel pump relay malfunction z Connector or terminal malfunction z Open circuit between battery and fuel pump relay terminal C z Open circuit between fuel pump relay terminal D and PCM terminal 1Q 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 31 AM Page...

Page 499: ...he next step 4 INSPECT FUEL PUMP RELAY CONNECTOR FOR POOR CONNECTION z Turn the ignition switch off z Disconnect the fuel pump relay z Inspect for poor connection such as damaged pulled out pins corrosion z Are there malfunction Yes Repair or replace suspected part then go to Step 9 No Go to the next step 5 INSPECT PCM CONNECTOR FOR POOR CONNECTION z Turn the ignition switch off z Disconnect PCM c...

Page 500: ...uel pump relay then go to the next step No Go to the next step 9 VERIFY TROUBLESHOOTING OF DTC P0231 HAS BEEN COMPLETED z Verify that all disconnected connectors reconnected z Clear DTC from memory using M MDS z Start the engine z Perform the KOEO KOER self test See KOEO KOER SELF TEST MZI 3 5 z Is same DTC present Yes Replace the PCM then go to the next step No Go to the next step 10 VERIFY AFTER...

Page 501: ...power circuit loses its path to ground through the fuel pump The fuel pump monitor circuit also goes high if the pump monitor fuel pump power circuit is short to voltage POSSIBLE CAUSE z Fuel pump relay malfunction z Fuel pump malfunction z Connector or terminal malfunction z Open circuit between fuel pump terminal B and PCM terminal 1Q z Fuel pump connector for poor connection z Short to power su...

Page 502: ...the repair order then go to the next step 2 VERIFY RELATED REPAIR INFORMATION AVAILABILITY z Verify related Service Bulletins Yes Perform repair or diagnosis according to available Service Bulletins z If vehicle is not repaired go to the 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 31 AM Page 155 2005 Mitchell Repair ...

Page 503: ...OOR CONNECTION z Turn the ignition switch off z Disconnect PCM connector z Inspect for poor connection such as damaged pulled out pins corrosion z Are there malfunction Yes Repair or replace suspected part then go to Step 10 No Go to the next step 6 INSPECT FUEL PUMP MONITOR CIRCUIT FOR SHORT TO POWER SUPPLY z Turn the ignition switch to the ON position Engine off z Measure voltage between the fol...

Page 504: ... 3 5 z Is there any malfunction Yes Replace the fuel pump unit then go to the next step No Go to the next step 10 VERIFY TROUBLESHOOTING OF DTC P0232 HAS BEEN COMPLETED z Verify that all disconnected connectors reconnected z Clear DTC from memory using M MDS z Start the engine z Perform the KOEO KOER self test See KOEO KOER SELF TEST MZI 3 5 z Is same DTC present Yes Replace the PCM then go to the...

Page 505: ...n go to the next step 2 VERIFY RELATED REPAIR INFORMATION AVAILABILITY z Verify related Service Bulletins and or on line repair information availability z Is any related Service Bulletins available Yes Perform repair or diagnosis according to the available Service Bulletins z If the vehicle is not repaired go to the next step No Go to the next step 3 INSPECT VEHICLE OPERATION z Check for Water ice...

Page 506: ...sfire detected DETECTION CONDITION z The PCM monitors the crankshaft position sensor input signal interval time The PCM calculates the change of the interval time for each cylinder If the change of interval time exceeds the pre programmed criteria the PCM detects a misfire in the corresponding cylinder When the engine is running the PCM counts the number of misfires that occurred at 200 crankshaft...

Page 507: ...RDED z Has FREEZE FRAME DATA been recorded Yes Go to the next step No Record FREEZE FRAME DATA on the repair order then go to the next step 2 VERIFY RELATED REPAIR INFORMATION AVAILABILITY z Verify related Service Bulletins and or on line repair information availability z Is any related Service Bulletins available Yes Perform repair or diagnosis according to the available Service Bulletins z If th...

Page 508: ...it or part or both according to inspection results see PCM INSPECTION MZI 3 5 Then go to Step 18 No Go to the next step 6 INSPECT CMP SENSOR z Inspect the CMP sensor see CAMSHAFT POSITION CMP SENSOR INSPECTION MZI 3 5 z Is there any malfunction Yes Inspect the installation condition for damage to the timing belt and gears and repair malfunctioning parts z If it is normal replace CMP sensor see CAM...

Page 509: ... AIR SYSTEM z Inspect for air leakage at the following Between the MAF IAT sensor and the throttle body Between the throttle body and the dynamic chamber z Is there any malfunction Yes Repair or replace the suspected part then go to Step 18 No Go to the next step 11 INSPECT FUEL LINE PRESSURE z Turn the ignition switch off z Inspect the fuel line pressure see FUEL LINE PRESSURE INSPECTION MZI 3 5 ...

Page 510: ...LLATION MZI 3 5 Then go to Step 18 13 INSPECT ENGINE COMPRESSION z Inspect the engine compression see COMPRESSION INSPECTION MZI 3 5 z Is it normal Yes Go to the next step No Perform an engine overhaul for repairs then go to Step 18 14 INSPECT VARIABLE VALVE TIMING CONTROL SYSTEM OPERATION z Inspect the variable valve timing control system operation see ENGINE CONTROL SYSTEM OPERATION INSPECTION M...

Page 511: ...NG OF ENGINE COOLANT PASSAGE WARNING z Never remove the cooling system cap or loosen the radiator drain plug while the engine is running or when the engine and radiator are hot Scalding engine coolant and steam may shoot out and cause serious injury It may also damage the engine and cooling system z Turn off the engine and wait until it is cool Even then be very careful when removing the cap Wrap ...

Page 512: ...COMPLETED z Verify that all disconnected connectors are reconnected z Clear the DTC from the PCM memory using the M MDS z Perform the KOER SELF TEST using the M MDS See KOEO KOER SELF TEST MZI 3 5 z Is the PENDING CODE for this DTC present Yes Replace the PCM then go to the next step see PCM REMOVAL INSTALLATION MZI 3 5 No Go to the next step 19 VERIFY AFTER REPAIR PROCEDURE z Perform the AFTER RE...

Page 513: ...nts the number of misfires that occurred at 200 crankshaft revolutions and 1 000 crankshaft revolutions and calculates the misfire ratio for each crankshaft revolution If the ratio exceeds the pre programmed criteria the PCM determines that a misfire which can damage the catalytic converter or affect emission performance has occurred POSSIBLE CAUSE z Spark plug malfunction z Ignition system malfun...

Page 514: ...e Yes Inspect the suspected circuit or part or both according to inspection results Then go to Step 13 see PCM INSPECTION MZI 3 5 No Go to the next step 5 VERIFY CURRENT INPUT SIGNAL STATUS UNDER TROUBLE CONDITION z Inspect the same PIDs as in Step 4 when simulating the FREEZE FRAME DATA condition z Is there any signal which causes drastic changes Yes Inspect the suspected circuit or part or both ...

Page 515: ...ted cylinder z Connect the noid light to the fuel injector connector terminals z Verify the light dimness during cranking z Does the noid light illuminate Yes Go to the next step No Inspect the fuel injector wiring harnesses Repair or replace if necessary then go to Step 13 9 INSPECT FUEL INJECTOR OPERATION z Remove fuel injector from the suspected cylinder see FUEL INJECTOR REMOVAL INSTALLATION M...

Page 516: ...diator drain plug while the engine is running or when the engine and radiator are hot Scalding engine coolant and steam may shoot out and cause serious injury It may also damage the engine and cooling system z Turn off the engine and wait until it is cool Even then be very careful when removing the cap Wrap a thick cloth around it and slowly turn it counterclockwise to the first stop Step back whi...

Page 517: ...on switch to the ON position Engine off z Clear the DTC from the PCM memory using the M MDS z Start the engine and run it at idle z Retrieve DTCs using the M MDS z Is the PENDING CODE for this DTC present Yes Replace the PCM then go to the next step see PCM REMOVAL INSTALLATION MZI 3 5 No Go to the next step 14 VERIFY AFTER REPAIR PROCEDURE z Perform the AFTER REPAIR PROCEDURE See AFTER REPAIR PRO...

Page 518: ...according to the available Service Bulletins z If the vehicle is not repaired go to the next step No Go to the next step 3 VERIFY RELATED PENDING CODE OR STORED DTCs z Turn the ignition switch off then to the ON position Engine off z Verify related pending code or stored DTCs z Are other DTCs present Yes Go to the appropriate DTC troubleshooting See DTC TABLE MZI 3 5 No Go to the next step 4 INSPE...

Page 519: ...Install a new pulley or damper assembly Then go to the next step No Go to the next step 6 VERIFY TROUBLESHOOTING OF DTC P0315 HAS BEEN COMPLETED z Verify that all disconnected connectors are reconnected z Turn the ignition switch to the ON position Engine off z Clear the DTC from the PCM memory using the M MDS z Start the engine and run it at idle z Retrieve DTCs using the M MDS z Is the PENDING C...

Page 520: ...ne speed sensor input signal to the PCM is continuously monitor z The test fails when the signal indicates that 2 successive erratic PIP pulses occurre POSSIBLE CAUSE z Loose wires connectors z Arcing secondary ignition components coil wires or plugs z On board transmitter 2 way radio 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 1...

Page 521: ...e repair order then go to the next step 2 VERIFY RELATED REPAIR INFORMATION AVAILABILITY z Verify related Service Bulletins Yes Perform repair or diagnosis according to the available Service Bulletins z If the vehicle is not repaired go to 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 31 AM Page 174 2005 Mitchell Repai...

Page 522: ...s the engine speed more than 150 rpm NOTE z The battery should be fully charged and the starting system should be functioning properly Yes Go to Step 13 No Go to the next step 5 INSPECT TIMING COVER CKP SENSOR AND EXTERNAL TRIGGER WHEEL OUTSIDE TIMING COVER FOR OBVIOUS PHYSICAL DAMAGE z Visually check the timing cover CKP sensor and external trigger wheel outside the timing cover for obvious physi...

Page 523: ...WIRING HARNESS SHIELD CIRCUIT FOR SHORT TO GROUND z Measure the resistance between CKP_SHLD assembly connector wiring harness side and ground z Is the resistance less than 5 ohms NOTE z The wiring harness shield protects the CKP signal from electrical noise and is grounded at one end typically near the PCM NOTE z Perform the following resistance measurement between the CKP shield and the ground Ye...

Page 524: ...S FOR SHORT TO GROUND IN WIRING HARNESS z Measure the resistance between CKP sensor connector A on the wiring harness side and battery negative CKP sensor connector B on the wiring harness side and battery negative z Are the resistances more than 10 kilohms Yes Go to the next step No Repair or replace suspected part Then go to Step 13 12 INSPECT CKP CIRCUIT FOR SHORT TO VOLTAGE IN WIRING HARNESS z...

Page 525: ... Go to the applicable DTC inspection See DTC TABLE MZI 3 5 No Troubleshooting completed DTC P0325 KS circuit RH DETECTION CONDITION z The KS detects vibrations upon increase and decrease in engine RPM The KS generates a voltage based on this vibration A DTC is set if the voltage goes outsid calibrated level POSSIBLE CAUSE z Open circuit wiring harness between KS terminal C and PCM terminal 2L z Sh...

Page 526: ...orded Yes Go to the next step No Record FREEZE FRAME DATA on the repair order then go to the next step 2 VERIFY RELATED REPAIR INFORMATION AVAILABILITY Yes Perform repair or diagnosis according to the available Service Bulletins 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 32 AM Page 179 2005 Mitchell Repair Informati...

Page 527: ...etween the following terminals KS terminal C and body ground KS terminal D and body ground z Are the voltage B Yes Repair or replace suspected part then go to Step 9 No Go to the next step 5 INSPECT KS RH CIRCUIT FOR SHORT TO GROUND z Turn the ignition switch to the ON position Engine off z Inspect for continuity between the following terminals KS terminal C and body ground KS terminal D and body ...

Page 528: ... KS then go to the next step see KNOCK SENSOR KS REMOVAL INSTALLATION MZI 3 5 No Go to the next step 9 VERIFY TROUBLESHOOTING OF DTC P0325 HAS BEEN COMPLETED z Verify that all disconnected connectors reconnected z Clear the DTC from the PCM memory using the M MDS z Perform the KOEO or KOER self test using the M MDS See KOEO KOER SELF TEST MZI 3 5 z Is the PENDING CODE for the DTC present Yes Repla...

Page 529: ... harness between KS terminal A and PCM terminal 2Q z Short to power supply in wiring harness between KS terminal A and PCM termina z Short to ground circuit between KS terminal A and PCM terminal 2Q z Open circuit wiring harness between KS terminal B and PCM terminal 2M z Short to power supply in wiring harness between KS terminal B and PCM termina z Short to ground circuit between KS terminal B a...

Page 530: ...e repair order then go to the next step 2 VERIFY RELATED REPAIR INFORMATION AVAILABILITY z Verify related Service Bulletins Yes Perform repair or diagnosis according to the available Service Bulletins z If the vehicle is not repaired go to 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 32 AM Page 183 2005 Mitchell Repai...

Page 531: ...y ground KS terminal B and body ground z Are there voltage B Yes Repair or replace suspected part then go to Step 9 No Go to the next step 5 INSPECT KS LH CIRCUIT FOR SHORT TO GROUND z Turn the ignition switch to the ON position Engine off z Inspect for continuity between the following terminals KS terminal A and body ground KS terminal B and body ground z Are there continuity Yes Repair or replac...

Page 532: ...p see KNOCK SENSOR KS REMOVAL INSTALLATION MZI 3 5 No Go to the next step 9 VERIFY TROUBLESHOOTING OF DTC P0330 HAS BEEN COMPLETED z Verify that all disconnected connectors reconnected z Clear the DTC from the PCM memory using the M MDS z Perform the KOEO or KOER self test using the M MDS See KOEO KOER SELF TEST MZI 3 5 z Is the PENDING CODE for the DTC present Yes Replace the PCM then go to the n...

Page 533: ...erminal malfunction z CMP sensor RH malfunction z Short to ground circuit between CMP sensor RH terminal A and PCM terminal 2 z Short to power supply between CMP sensor RH terminal A and PCM terminal 2 z Open circuit between CMP sensor RH terminal A and PCM terminal 2X z Open circuit between CMP sensor RH terminal B and PCM terminal 2C z PCM malfunction 2007 Mazda CX 9 Grand Touring 2007 ENGINE PE...

Page 534: ...EN RECORDED z Has FREEZE FRAME DATA Yes Go to the next step No Record FREEZE FRAME DATA on the repair order then go to the next step 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 32 AM Page 187 2005 Mitchell Repair Information Company LLC ...

Page 535: ...sent ignition alternator noise radio frequency interference and CKP concerns should be considered Yes Go to the next step No Perform the INTERMITTENT CONCERN TROUBLESHOOTING Then go to Step 11 4 CHECK THE GENERATOR FOR EXCESSIVE ELECTRICAL NOISE z Turn the ignition switch to the ON position Engine running z Monitor the generator for an audible electric noise z Turn the ignition switch off z Genera...

Page 536: ...n switch to the ON position Engine off z Measure voltage between CMP sensor RH terminal A wiring harness side and body ground z Is the voltage B Yes Repair or replace suspected part then go to Step 11 No Go to the next step 7 INSPECT CMP SENSOR RH SIGNAL CIRCUIT FOR SHORT TO GROUND z Turn the ignition switch off z Check continuity between CMP sensor RH terminal A and body ground z Is there continu...

Page 537: ...r RH then go to the next step see CAMSHAFT POSITION CMP SENSOR REMOVAL INSTALLATION MZI 3 5 No Go to the next step 11 VERIFY TROUBLESHOOTING OF DTC P0340 COMPLETED z Verify that all disconnected connectors reconnected z Turn ignition switch to the ON position Engine off z Clear the DTC from the PCM memory using the M MDS z Start the engine z Access the MAF PID using the M MDS z Is same DTC present...

Page 538: ... malfunction z CMP sensor RH malfunction z Sensor shielding malfunction z Short to ground circuit between CMP sensor RH terminal A and PCM terminal 2 z Short to power supply between CMP sensor RH terminal A and PCM terminal 2 z Open circuit between CMP sensor RH terminal A and PCM terminal 2X z Open circuit between CMP sensor RH terminal B and PCM terminal 2C 2007 Mazda CX 9 Grand Touring 2007 ENG...

Page 539: ...EN RECORDED z Has FREEZE FRAME DATA Yes Go to the next step No Record FREEZE FRAME DATA on the repair order then go to the next step 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 32 AM Page 192 2005 Mitchell Repair Information Company LLC ...

Page 540: ...sent ignition alternator noise radio frequency interference and CKP concerns should be considered Yes Go to the next step No Perform the INTERMITTENT CONCERN TROUBLESHOOTING Then go to Step 11 4 CHECK THE GENERATOR FOR EXCESSIVE ELECTRICAL NOISE z Turn the ignition switch to the ON position Engine running z Monitor the generator for an audible electric noise z Turn the ignition switch off z Genera...

Page 541: ...n switch to the ON position Engine off z Measure voltage between CMP sensor RH terminal A wiring harness side and body ground z Is the voltage B Yes Repair or replace suspected part then go to Step 11 No Go to the next step 7 INSPECT CMP SENSOR RH SIGNAL CIRCUIT FOR SHORT TO GROUND z Turn the ignition switch off z Check continuity between CMP sensor RH terminal A and body ground z Is there continu...

Page 542: ...r RH then go to the next step see CAMSHAFT POSITION CMP SENSOR REMOVAL INSTALLATION MZI 3 5 No Go to the next step 11 VERIFY TROUBLESHOOTING OF DTC P0344 COMPLETED z Verify that all disconnected connectors reconnected z Turn ignition switch to the ON position Engine off z Clear the DTC from the PCM memory using the M MDS z Start the engine z Access the MAF PID using the M MDS z Is same DTC present...

Page 543: ...al malfunction z CMP sensor LH malfunction z Short to ground circuit between CMP sensor LH terminal A and PCM terminal 2 z Short to power supply between CMP sensor LH terminal A and PCM terminal 2 z Open circuit between CMP sensor LH terminal A and PCM terminal 2AB z Open circuit between CMP sensor LH terminal B and PCM terminal 2C z PCM malfunction 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFOR...

Page 544: ...EN RECORDED z Has FREEZE FRAME DATA Yes Go to the next step No Record FREEZE FRAME DATA on the repair order then go to the next step 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 32 AM Page 197 2005 Mitchell Repair Information Company LLC ...

Page 545: ...sent ignition alternator noise radio frequency interference and CKP concerns should be considered Yes Go to the next step No Perform the INTERMITTENT CONCERN TROUBLESHOOTING Then go to Step 11 4 CHECK THE GENERATOR FOR EXCESSIVE ELECTRICAL NOISE z Turn the ignition switch to the ON position Engine running z Monitor the generator for an audible electric noise z Turn the ignition switch off z Genera...

Page 546: ...n switch to the ON position Engine off z Measure voltage between CMP sensor LH terminal A wiring harness side and body ground z Is the voltage B Yes Repair or replace suspected part then go to Step 11 No Go to the next step 7 INSPECT CMP SENSOR LH SIGNAL CIRCUIT FOR SHORT TO GROUND z Turn the ignition switch off z Check continuity between CMP sensor LH terminal A and body ground z Is there continu...

Page 547: ...or LH then go to the next step see CAMSHAFT POSITION CMP SENSOR REMOVAL INSTALLATION MZI 3 5 No Go to the next step 11 VERIFY TROUBLESHOOTING OF DTC P0345 COMPLETED z Verify that all disconnected connectors reconnected z Turn ignition switch to the ON position Engine off z Clear the DTC from the PCM memory using the M MDS z Start the engine z Access the MAF PID using the M MDS z Is same DTC presen...

Page 548: ...l malfunction z CMP sensor LH malfunction z Sensor shielding malfunction z Short to ground circuit between CMP sensor LH terminal A and PCM terminal 2 z Short to power supply between CMP sensor LH terminal A and PCM terminal 2 z Open circuit between CMP sensor LH terminal A and PCM terminal 2AB z Open circuit between CMP sensor LH terminal B and PCM terminal 2C 2007 Mazda CX 9 Grand Touring 2007 E...

Page 549: ...EN RECORDED z Has FREEZE FRAME DATA Yes Go to the next step No Record FREEZE FRAME DATA on the repair order then go to the next step 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 32 AM Page 202 2005 Mitchell Repair Information Company LLC ...

Page 550: ...sent ignition alternator noise radio frequency interference and CKP concerns should be considered Yes Go to the next step No Perform the INTERMITTENT CONCERN TROUBLESHOOTING Then go to Step 11 4 CHECK THE GENERATOR FOR EXCESSIVE ELECTRICAL NOISE z Turn the ignition switch to the ON position Engine running z Monitor the generator for an audible electric noise z Turn the ignition switch off z Genera...

Page 551: ...n switch to the ON position Engine off z Measure voltage between CMP sensor LH terminal A wiring harness side and body ground z Is the voltage B Yes Repair or replace suspected part then go to Step 11 No Go to the next step 7 INSPECT CMP SENSOR LH SIGNAL CIRCUIT FOR SHORT TO GROUND z Turn the ignition switch off z Check continuity between CMP sensor LH terminal A and body ground z Is there continu...

Page 552: ...or LH then go to the next step see CAMSHAFT POSITION CMP SENSOR REMOVAL INSTALLATION MZI 3 5 No Go to the next step 11 VERIFY TROUBLESHOOTING OF DTC P0349 COMPLETED z Verify that all disconnected connectors reconnected z Turn ignition switch to the ON position Engine off z Clear the DTC from the PCM memory using the M MDS z Start the engine z Access the MAF PID using the M MDS z Is same DTC presen...

Page 553: ...minal C and PCM terminal 2AA z Open circuit between ignition coil No 6 terminal C and PCM terminal 2AE z Short to power supply between ignition coil No 1 terminal C and PCM terminal 2A z Short to power supply between ignition coil No 2 terminal C and PCM terminal 2F z Short to power supply between ignition coil No 3 terminal C and PCM terminal 2K z Short to power supply between ignition coil No 4 ...

Page 554: ...2 0353 0354 0355 0356 MZI 3 5 DIAGNOSTIC PROCEDURE 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 32 AM Page 207 2005 Mitchell Repair Information Company LLC ...

Page 555: ...uch as damaged pulled out pins corrosion z Are there any malfunction Yes Repair or replace suspected part then go to Step 10 No Go to the next step 4 INSPECT IGNITION COIL POWER SUPPLY CIRCUIT FOR OPEN CIRCUIT z Disconnect the ignition coil connector z Turn the ignition switch to the ON position Engine off z Measure the voltage between ignition coil terminal A wiring harness side and body ground z...

Page 556: ... replace suspected part then go to Step 10 No Go to the next step 8 INSPECT IGNITION COIL SIGNAL CIRCUIT FOR OPEN CIRCUIT z Inspect continuity between the following circuits Ignition coil No 1 terminal C wiring harness side and PCM terminal 2A wiring harness side Ignition coil No 2 terminal C wiring harness side and PCM terminal 2F wiring harness side Ignition coil No 3 terminal C wiring harness s...

Page 557: ...ed connectors reconnected z Clear the DTC from the PCM memory using the M MDS z Perform the KOEO or KOER self test using the M MDS See KOEO KOER SELF TEST MZI 3 5 z Is the PENDING CODE for the DTC present Yes Replace the PCM then go to the next step see PCM REMOVAL INSTALLATION MZI 3 5 No Go to the next step 11 VERIFY AFTER REPAIR PROCEDURE z Perform AFTER REPAIR PROCEDURE See AFTER REPAIR PROCEDU...

Page 558: ...yst Events that can produce higher than normal temperatures in the catalyst are particularly suspect such as misfiring Incorrect HO2S signal input e g rich lean signal when engine is operating under rich lean conditions can cause an abnormal temperature increase in the catalyst CHT sensor DTCs can indicate that the thermostat is not operating correctly or that the engine coolant level is not fille...

Page 559: ... and rear HO2Ss z Are they it normal Yes Go to the next step No Retighten sensor then go to Step 7 6 INSPECT TWC z Clear the DTC using the M MDS z Cycle the ignition switch off then back to the ON position z Inspect the TWC z Is it normal Yes Go to the next step No Replace the TWC then go to the next step 7 VERIFY TROUBLESHOOTING OF DTC P0420 P0430 HAS BEEN COMPLETED z Verify that all disconnected...

Page 560: ...unction of fuel fill level The vapor generation limit is more than 0 625 kPa PID FTP_H2O displays 2 5 over 120 s z P0456 indicates that a fuel vapor leak from an opening as small as 0 508 mm 0 020 in has been detected by the EVAP running loss monitor test POSSIBLE CAUSE z After market EVAP hardware such as fuel filler cap nonconforming to required specifications z Small holes or cuts in fuel vapor...

Page 561: ...for correct installation at this time z Verify that the CV solenoid valve is properly seated on the charcoal canister z Visually inspect for cut or loose connections to the fuel vapor hoses tubes in the following locations Charcoal canister to CV solenoid valve Charcoal canister to evaporative emission valve component Evaporative emission valve component to the fuel tank if applicable z Check for ...

Page 562: ... Go to Step 11 No Remove the Leak Tester Install the fuel filler cap Go to Step 13 7 VISUALLY INSPECT FUEL FILLER CAP z Visually inspect the fuel filler cap for damage z Is the fuel filler cap damaged Yes Replace the fuel filler cap then go to the next step No Go to Step 12 8 INSPECT FOR SMALL LEAK WITH TESTER SET AT FILL POSITION z Turn the ignition switch to the ON position Engine off z Close CV...

Page 563: ...ETURN TUBE TO CHARCOAL CANISTER z Disconnect the fuel tank vapor tube at the fuel fuel vapor hose joint and plug the opening in the hose joint z Turn the ignition switch to the ON position Engine off z Close CV solenoid valve using the EVAPCV PID from the output test mode z Pressurize the EVAP system to 3 48 kPa 14in H2O z Using the ultrasonic leak detector check the EVAP system from the intake ma...

Page 564: ...test results normal Yes Go to the next step No Leakage still exists Locate leak point and repair Repeat this step 13 VERIFY TROUBLESHOOTING OF DTC P0442 P0456 HAS BEEN COMPLETED z Verify that all disconnected connectors are reconnected z Turn the ignition switch to the ON position Engine off z Clear the DTC from the PCM memory using the M MDS z Start the engine and run it at idle z Retrieve DTCs u...

Page 565: ...nded state POSSIBLE CAUSE z Purge solenoid valve malfunction z Connector or terminal malfunction z Short to ground between purge solenoid valve terminal B and PCM terminal 1BC z Open circuit between main relay No 1 terminal D and purge solenoid valve termin z Short to power supply between purge solenoid valve terminal B and PCM termina 1BC z Open circuit between purge solenoid valve terminal B and...

Page 566: ...ext step 2 VERIFY RELATED REPAIR INFORMATION AVAILABILITY z Verify related Service Bulletins and or on line repair information availability Yes Perform repair or diagnosis according to the available Service Bulletins z If the vehicle is not repaired go to the next step 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 32 A...

Page 567: ... SOLENOID VALVE CONTROL CIRCUIT FOR SHORT TO POWER SUPPLY z Turn the ignition switch to the ON position Engine off z Measure the voltage between purge solenoid valve control terminal B and body ground z Is voltage B Yes Repair or replace suspected part then go to Step 10 No Go to the next step 6 INSPECT PURGE SOLENOID VALVE CONTROL CIRCUIT FOR SHORT TO GROUND z Turn the ignition switch off z Inspe...

Page 568: ...es Replace purge solenoid valve see PURGE SOLENOID VALVE REMOVAL INSTALLATION MZI 3 5 then go to Step 10 No Go to the next step 10 VERIFY TROUBLESHOOTING OF DTC P0443 COMPLETED z Make sure to reconnect all disconnected connectors z Clear DTC from PCM memory using M MDS z Perform the KOEO or KOER self test using the M MDS See KOEO KOER SELF TEST MZI 3 5 z Is the PENDING CODE same DTC present Yes Re...

Page 569: ...nister vent duty cycle by PCM command POSSIBLE CAUSE z CV solenoid valve malfunction z Connector or terminal malfunction z Short to ground between CV solenoid valve terminal B and PCM terminal 1Z z Open circuit between battery and CV solenoid valve terminal A z Short to power supply between CV solenoid valve terminal B and PCM terminal 1 z Open circuit between CV solenoid valve terminal B and PCM ...

Page 570: ...ext step 2 VERIFY RELATED REPAIR INFORMATION AVAILABILITY z Verify related Service Bulletins and or on line repair information availability Yes Perform repair or diagnosis according to the available Service Bulletins z If the vehicle is not repaired go to the next step 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 33 A...

Page 571: ... SOLENOID VALVE CONTROL CIRCUIT FOR SHORT TO POWER SUPPLY z Turn the ignition switch to the ON position Engine off z Measure the voltage between CV solenoid valve control terminal B and body ground z Is voltage B Yes Repair or replace suspected part then go to Step 10 No Go to the next step 6 INSPECT CV SOLENOID VALVE CONTROL CIRCUIT FOR SHORT TO GROUND z Turn the ignition switch off z Inspect for...

Page 572: ...nction Yes Replace CV solenoid valve see CHARCOAL CANISTER CANISTER VENT CV SOLENOID VALVE AIR FILTER COMPONENT REMOVAL INSTALLATION MZI 3 5 then go to Step 10 No Go to the next step 10 VERIFY TROUBLESHOOTING OF DTC P0446 COMPLETED z Make sure to reconnect all disconnected connectors z Clear DTC from PCM memory using M MDS z Perform the KOEO or KOER self test using the M MDS See KOEO KOER SELF TES...

Page 573: ...ns may set DTC P0451 POSSIBLE CAUSE z Intermittent open or short in the fuel tank pressure sensor or the fuel tank pressure sensor signal z Fuel tank pressure sensor malfunction z Connector or terminal malfunction z PCM malfunction STEP INSPECTION ACTION 1 VERIFY FREEZE FRAME DATA HAS BEEN RECORDED z Has the FREEZE FRAME DATA been recorded Yes Go to the next step No Record FREEZE FRAME DATA on the...

Page 574: ...K PRESSURE AND PCM SENSOR CONNECTOR FOR POOR CONNECTION z Turn the ignition switch off z Disconnect the MAF IAT sensor connector z Inspect for poor connection such as damaged pulled out pins corrosion z Are there any malfunction Yes Repair or replace suspected part then go to Step 8 No Go to the next step 6 INSPECT THE FUEL TANK PRESSURE z Inspect the MAF sensor see FUEL TANK PRESSURE SENSOR INSPE...

Page 575: ...M MDS See KOEO KOER SELF TEST MZI 3 5 z Start the engine and wait for approx 10s z Is the PENDING CODE for the DTC present Yes Replace the PCM then go to the next step see PCM REMOVAL INSTALLATION MZI 3 5 No Go to the next step 9 VERIFY AFTER REPAIR PROCEDURE z Perform the AFTER REPAIR PROCEDURE See AFTER REPAIR PROCEDURE MZI 3 5 z Are any DTCs present Yes Go to the applicable DTC inspection See D...

Page 576: ...sor malfunction z Connector or terminal malfunction z Short to ground between fuel tank pressure sensor terminal A and PCM terminal 1 z Fuel tank pressure sensor signal circuit and ground circuit for short each other 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 33 AM Page 229 2005 Mitchell Repair Information Company L...

Page 577: ...tor z Inspect for poor connection such as damaged pulled out pins corrosion z Are there any malfunction Yes Repair or replace suspected part then go to Step 7 No Go to the next step 4 VERIFY FUEL TANK PRESSURE SIGNAL CIRCUIT FOR SHORT TO GROUND z Turn the ignition switch off z Inspect for continuity between fuel tank pressure sensor terminal A wiring harness side and body ground z Is there continu...

Page 578: ...ED z Make sure to reconnect all disconnected connectors z Turn ignition switch to the ON position Engine off z Clear the DTC from the PCM memory using the M MDS z Start the engine and warm it up completely z Is same DTC present Yes Replace the PCM then go to the next step see PCM REMOVAL INSTALLATION MZI 3 5 No Go to the next step 8 VERIFY AFTER REPAIR PROCEDURE z Perform the After Repair Procedur...

Page 579: ...A and PCM terminal 1AB z Open circuit between fuel tank pressure sensor terminal B and PCM terminal 1 AL z Short to the constant voltage supply circuit between fuel tank pressure sensor term A and PCM terminal 1AB z Short to power supply between fuel tank pressure sensor terminal C and PCM term 1 U z Fuel tank pressure sensor power circuit and signal circuit are shorted each other 2007 Mazda CX 9 ...

Page 580: ... RECORDED z Has the FREEZE FRAME DATA Yes Go to the next step No Record FREEZE FRAME DATA on the repair order then go to the next step 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 33 AM Page 233 2005 Mitchell Repair Information Company LLC ...

Page 581: ...TANK PRESSURE SENSOR SIGNAL CIRCUIT FOR SHORT TO POWER SUPPLY z Turn the ignition switch to the ON position Engine off z Measure the voltage between the following terminals Fuel tank pressure sensor terminal A wiring harness side and body ground Fuel tank pressure sensor terminal C wiring harness side and body ground z Are there voltage B Yes Repair or replace suspected part then go to Step 9 No G...

Page 582: ...sure resistance between PCM connector terminal 1 U harness side and CM connector terminal 1AB harness side z Is the resistance more than 1 0 kilohms Yes Go to the next step No Repair or replace suspected part then go to Step 9 8 INSPECT FUEL TANK PRESSURE SENSOR z Inspect the fuel tank pressure sensor see FUEL TANK PRESSURE SENSOR INSPECTION MZI 3 5 z Is the fuel lank pressure sensor normal Yes Go...

Page 583: ...re sensor intermittent DETECTION CONDITION z The fuel tank pressure changes more than 14 inches of water in 0 10 s POSSIBLE CAUSE z Intermittent open or short in the fuel tank pressure sensor or the fuel tank pressure sensor signal z Fuel tank pressure sensor malfunction STEP INSPECTION ACTION 1 VERIFY FREEZE FRAME DATA HAS BEEN RECORDED z Has FREEZE FRAME DATA been recorded Yes Go to the next ste...

Page 584: ...Clear the DTC from the PCM memory using the M MDS z Perform the KOEO or KOER self test using the M MDS See KOEO KOER SELF TEST MZI 3 5 z Is the PENDING CODE for the DTC present Yes Replace the PCM then go to the next step see PCM REMOVAL INSTALLATION MZI 3 5 No Go to the next step 5 VERIFY AFTER REPAIR PROCEDURE z Perform the AFTER REPAIR PROCEDURE See AFTER REPAIR PROCEDURE MZI 3 5 z Are any DTCs...

Page 585: ...FRAME DATA HAS BEEN RECORDED z Has FREEZE FRAME DATA been recorded Yes Go to the next step No Record FREEZE FRAME DATA on the repair order then go to the next step 2 VERIFY RELATED REPAIR INFORMATION AVAILABILITY z Verify related Service Bulletins and or on line repair information availability z Is any related Service Bulletins available Yes Perform repair or diagnosis according to the available S...

Page 586: ...NISTER VENT CV SOLENOID VALVE AIR FILTER COMPONENT REMOVAL INSTALLATION MZI 3 5 Go to Step 7 No Go to the next step 5 INSPECT FOR EVAP SYSTEM LEAKS z Disconnect the EVAP return tube from the intake manifold and plug the EVAP return tube z Connect the EVAP System Leak Tester to the EVAP test port z Perform the EVAP System Leak Test see ENGINE CONTROL SYSTEM OPERATION INSPECTION MZI 3 5 z Does the p...

Page 587: ...R COMPONENT REMOVAL INSTALLATION MZI 3 5 01 16 EVAPORATIVE EMISSION CANISTERPURGE VALVE Go to the next step No Replace the evaporative hose component see FUEL TANK REMOVAL INSTALLATION MZI 3 5 Go to the next step 8 EVAP SYSTEM LEAK TEST z Connect all disconnected connectors and hoses z Perform the EVAP System Leak Test see ENGINE CONTROL SYSTEM OPERATION INSPECTION MZI 3 5 z Are the test results n...

Page 588: ...on system leak detected fuel cap loose off DETECTION CONDITION z P0457 indicates that the initial vacuum could not be achieved after a refueling event and the purge vapor flow is excessive gross leak POSSIBLE CAUSE z Missing or loose fuel filler cap STEP INSPECTION ACTION 1 VERIFY FREEZE FRAME DATA HAS BEEN RECORDED z Has FREEZE FRAME DATA been recorded Yes Go to the next step No Record FREEZE FRA...

Page 589: ... filler cap z Is a concern present Yes Repair or replace if necessary Go to the next step No Go to Step 6 5 EVAP SYSTEM LEAK TEST z Perform the EVAP system leak test see ENGINE CONTROL SYSTEM OPERATION INSPECTION MZI 3 5 z Are the test results normal Yes Go to Step 6 No Leakage still exists Go to the P0455 Troubleshooting see ENGINE CONTROL SYSTEM OPERATION INSPECTION MZI 3 5 6 VERIFY TROUBLESHOOT...

Page 590: ...mmunications network message for a concern The test fails when the PCM determines that the value of the fuel level input signal is stuck The PCM calculates the amount of fuel used during operation If the fuel level input signal does not change or does not correspond with the calculated fuel usage the DTC is set POSSIBLE CAUSE z Empty fuel tank z Fuel pump malfunction z Incorrectly installed fuel g...

Page 591: ...urn the ignition switch off then to the ON position Engine off z Verify stored DTCs in instrument cluster z Is other DTCs present Yes Go to the appropriate DTC inspection see DTC TABLE INSTRUMENT CLUSTER No Go to the next step 5 VERIFY TROUBLESHOOTING OF DTC P0460 HAS BEEN COMPLETED z Verify that all disconnected connectors reconnected z Clear the DTC from the PCM memory using the M MDS z Perform ...

Page 592: ...N ACTION 1 VERIFY FREEZE FRAME DATA HAS BEEN RECORDED z Has FREEZE FRAME DATA been recorded Yes Go to the next step No Record the FREEZE FRAME DATA on the repair order then go to the next step 2 VERIFY REPAIR INFORMATION AVAILABILITY z Verify related Service Bulletins availability z Is any related Service Bulletins available Yes Perform repair or diagnosis according to the available Service Bullet...

Page 593: ...ce the PCM then go to the next step see PCM REMOVAL INSTALLATION MZI 3 5 No Go to the next step 6 VERIFY AFTER REPAIR PROCEDURE z Perform the AFTER REPAIR PROCEDURE See AFTER REPAIR PROCEDURE MZI 3 5 z Are any DTCs present Yes Go to the applicable DTC inspection See DTC TABLE MZI 3 5 No Troubleshooting completed DTC P0462 Fuel gauge sender unit circuit low input DETECTION CONDITION z The PCM monit...

Page 594: ...to the next step 3 VERIFY RELATED PENDING CODE OR STORED DTCs z Turn the ignition switch off then to the ON position Engine off z Verify related pending code or stored DTCs z Is other DTCs present Yes Go to the appropriate DTC troubleshooting See DTC TABLE MZI 3 5 No Go to the next step 4 VERIFY STORED DTC IN INSTRUMENT CLUSTER z Turn the ignition switch off then to the ON position Engine off z Ve...

Page 595: ...gauge sender unit circuit high input DETECTION CONDITION z The PCM monitors the fuel level input communications network message for a concern The test fails if the fuel level input signal is more than the maximum allowable calibrated parameter for a specified fuel fill percentage in the fuel tank POSSIBLE CAUSE z Fuel pump malfunction z Incorrectly installed fuel gauge z Instrument cluster malfunc...

Page 596: ...RUMENT CLUSTER z Turn the ignition switch off then to the ON position Engine off z Verify stored DTCs in instrument cluster z Is other DTCs present Yes Go to the appropriate DTC inspection see DTC TABLE INSTRUMENT CLUSTER No Go to the next step 5 VERIFY TROUBLESHOOTING OF DTC P0463 HAS BEEN COMPLETED z Verify that all disconnected connectors reconnected z Clear the DTC from the PCM memory using th...

Page 597: ... terminal 1AM Open circuit between fan control module No 2 terminal B and PCM termina 1AM Short to power supply between fan control module No 2 terminal B and PCM terminal 1AM Short to ground circuit between fan control module No 2 terminal B and PC terminal 1AM Open circuit between fan control module No 1 terminal 1 A and cooling fan relay No 1 terminal E Open circuit between fan control module N...

Page 598: ...n fan control module terminal 1C and cooling fan relay terminal E Open circuit between fan control module terminal 1 A and body ground 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 33 AM Page 251 2005 Mitchell Repair Information Company LLC ...

Page 599: ...f the vehicle is not repaired go to the next step No Go to the next step 3 INSPECT FAN CONTROL MODULE CONNECTOR FOR POOR CONNECTION z Turn the ignition switch off z Disconnect fan control module connector z Inspect for poor connection such as damaged pulled out pins corrosion etc z Are there any malfunction Yes Repair or replace suspected part then go to Step 10 No Go to the next step 4 INSPECT FA...

Page 600: ...ontinuity between the following circuits Dual fan control module Fan control module No 1 terminal 1C wiring harness side and body ground Fan control module No 2 terminal C wiring harness side and body ground Single fan control module Fan control module terminal 1A wiring harness side and body ground z Are there continuity Yes Go to the next step No Repair or replace suspected part then go to Step ...

Page 601: ... SHORT TO GROUND z Turn the ignition switch off z Inspect continuity between the following circuits Dual fan control module Fan control module No 1 terminal 1 B wiring harness side and body ground z Fan control module No 2 terminal B wiring harness sideband body ground Single fan control module Fan control module terminal 1 B wiring harness side and body ground z Are there continuity Yes Repair or...

Page 602: ...rness side and PCM terminal 1AM wiring harness side Single fan control module Fan control module terminal 1B wiring harness side and PCM terminal 1AM wiring harness side z Are there continuity Yes Go to the next step No Repair or replace suspected part then go to the next step 10 VERIFY TROUBLESHOOTING OF DTC P0480 HAS BEEN COMPLETED z Verify that all disconnected connectors reconnected z Clear th...

Page 603: ...hed or controlled during the self test POSSIBLE CAUSE z Failure mode effects management condition is present z Intake air restriction z Exhaust restriction z Sludged throttle body z Vacuum leakage z Throttle body malfunction z PCM malfunction NOTE z This DTC is informational only and it may be accompanied by other DTCs Diagnose other DTCs first If other DTCs are not present inspect the intake air ...

Page 604: ...ement with the engine running z Is the engine speed increased Yes Replace the air cleaner element then go to Step 9 No Go to the next step 5 INSPECT FOR AIR SUCTION AT INTAKE AIR SYSTEM z Inspect for air leakage at the following Around connection of dynamic chamber and intake manifold Around connection of intake manifold and cylinder head z Is air leakage found Yes Repair or replace the suspected ...

Page 605: ...s the PENDING CODE for this DTC present Yes Replace the PCM then go to the next step see PCM REMOVAL INSTALLATION MZI 3 5 No Go to the next step 10 VERIFY AFTER REPAIR PROCEDURE z Perform the AFTER REPAIR PROCEDURE See AFTER REPAIR PROCEDURE MZI 3 5 z Are any DTC present Yes Go to the applicable DTC inspection See DTC TABLE MZI 3 5 No Troubleshooting completed DTC P0506 IAC system RPM lower than e...

Page 606: ...D PENDING OR STORED DTCS z Turn the ignition switch off then to the ON position Engine off z Verify pending code or stored DTCs using the M MDS z Is other DTC present Yes Repair applicable DTCs See DTC TABLE MZI 3 5 No Go to the next step 4 INSPECT AIR CLEANER ELEMENT z Remove air cleaner element with the engine running z Is the engine speed increased Yes Replace the air cleaner element then go to...

Page 607: ...ATION MZI 3 5 No Go to the next step 8 VERIFY AFTER REPAIR PROCEDURE z Perform the AFTER REPAIR PROCEDURE See AFTER REPAIR PROCEDURE MZI 3 5 z Are any DTCs present Yes Go to the applicable DTC inspection See DTC TABLE MZI 3 5 No Troubleshooting completed DTC P0507 IAC system RPM higher than expected DETECTION CONDITION z This DTC is set when the PCM detects an engine idle speed that is more than t...

Page 608: ... 5 No Go to the next step 4 INSPECT AIR CLEANER ELEMENT z Remove air cleaner element with the engine running z Is the engine speed increased Yes Replace the air cleaner element then go to Step 7 No Go to the next step 5 INSPECT INTAKE AIR SYSTEM FOR EXCESSIVE AIR SUCTION z Visually inspect the hose in intake air system for looseness or damages z Is there any malfunction Yes Repair or replace the m...

Page 609: ...DETECTION CONDITION z The PCM calculates the actual catalyst warm up temperature during a cold start The PCM then compares the actual temperature to the expected catalyst temperature model The difference between the actual and expected temperatures is a ratio When this ratio exceeds the calibrated value this DTC is set and the malfunction indicator lamp MIL illuminates POSSIBLE CAUSE z Intake air ...

Page 610: ... the engine running z Is the engine speed increased Yes Replace the air cleaner element then go to Step 9 No Go to the next step 5 INSPECT INTAKE AIR SYSTEM FOR EXCESSIVE AIR SUCTION z Visually inspect the hose in intake air system for looseness or damages z Is there any malfunction Yes Repair or replace the malfunctioning part then go to Step 9 No Go to the next step 6 INSPECT THROTTLE BODY PASSA...

Page 611: ...Go to the next step 10 VERIFY AFTER REPAIR PROCEDURE z Perform the AFTER REPAIR PROCEDURE See AFTER REPAIR PROCEDURE MZI 3 5 z Are any DTCs present Yes Go to the applicable DTC inspection See DTC TABLE MZI 3 5 No Troubleshooting completed DTC P053A PCV valve heater control circuit open DETECTION CONDITION z This DTC is set when the PCM detects a PCV valve heater circuit malfunction z Open circuit ...

Page 612: ... fitting terminal B and PCM term 2AU z Open circuit between PCV valve heater control terminal B and PCM terminal 2BL z Open circuit between PCV valve heater fitting B and PCM terminal 2AU z Connector or terminal malfunction z Damaged PCV heater assembly 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 34 AM Page 265 2005 ...

Page 613: ...2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 34 AM Page 266 2005 Mitchell Repair Information Company LLC ...

Page 614: ...ECTION z Turn the ignition switch off z Disconnect PCV valve heater control and PCV valve heater fitting connector z Inspect for poor connection such as damaged pulled out pins corrosion z Are there any malfunction Yes Repair or replace suspected part then go to Step 10 No Go to the next step 4 INSPECT POWER SUPPLY CIRCUIT FOR OPEN CIRCUIT z Turn the ignition switch to the ON position Engine off z...

Page 615: ...ve heater control terminal B wiring harness side and body ground PCV valve heater fitting terminal B wiring harness side and body ground z Are there continuity Yes Repair or replace suspected part then go to Step 10 No Go to the next step 7 INSPECT PCM CONNECTOR FOR POOR CONNECTION z Turn the ignition switch off z Disconnect PCM connector z Inspect for poor connection such as damaged pulled out pi...

Page 616: ...LATION PCV VALVE HEATER FITTING INSPECTION MZI 3 5 z Is there any malfunction Yes Replace the malfunctioning part then go to the next step No Go to the next step 10 VERIFY TROUBLESHOOTING OF DTC P053A HAS BEEN COMPLETED z Verify that all disconnected connectors reconnected z Clear the DTC from the PCM memory using the M MDS z Perform the KOEO or KOER self test using the M MDS See KOEO KOER SELF TE...

Page 617: ...en circuit between cruise control switch terminal B and PCM terminal 1AT z Open circuit between cruise control switch terminal C and PCM terminal 1 AP z Short to power supply between cruise control switch terminal B and PCM termina 1AT z Short to power supply between cruise control switch terminal C and PCM termina 1AP z Short to ground circuit between cruise control switch terminal B and PCM term...

Page 618: ...o the next step 2 VERIFY RELATED REPAIR INFORMATION AVAILABILITY z Verify related Service Bulletins and or on line repair information Yes Perform repair or diagnosis according to the available Service Bulletins z If the vehicle is not repaired go to the next step 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 34 AM Page...

Page 619: ...dy ground Cruise control switch terminal C and body ground z Are there voltage B Yes Repair or replace suspected part then go to Step 9 No Go to the next step 5 INSPECT CRUISE CONTROL SWITCH CIRCUIT FOR SHORT TO GROUND z Turn the ignition switch off z Inspect for continuity between the following terminals Cruise control switch terminal B and body ground Cruise control switch terminal C and body gr...

Page 620: ... control switch see CRUISE CONTROL SWITCH INSPECTION MZI 3 5 z Is there malfunction Yes Replace the cruise control switch then go to the next step No Go to the next step 9 VERIFY TROUBLESHOOTING OF DTC P0579 HAS BEEN COMPLETED z Verify that all disconnected connectors are reconnected z Turn the ignition switch to the ON position Engine off z Clear the DTC from the PCM memory using the M MDS z Perf...

Page 621: ...ruise control switch circuits are shorted to voltage or open POSSIBLE CAUSE z Connector or terminal malfunction z Open circuit between cruise control switch terminal B and PCM terminal 1AT z Open circuit between cruise control switch terminal C and PCM terminal 1AP z Short to power supply between cruise control switch terminal B and PCM termina AT z Short to power supply between cruise control swi...

Page 622: ...o the next step 2 VERIFY RELATED REPAIR INFORMATION AVAILABILITY z Verify related Service Bulletins and or on line repair information Yes Perform repair or diagnosis according Service Bulletins z If the vehicle is not repaired go to to the available the next step 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 34 AM Page...

Page 623: ...ol switch terminal C and body ground z Are there voltage B Yes Repair or replace suspected part then go to Step 8 No Go to the next step 5 INSPECT PCM CONNECTOR FOR POOR CONNECTION z Turn the ignition switch off z Disconnect the PCM connector z Inspect for poor connection such as damaged pulled out pins corrosion z Are there any malfunction Yes Repair or replace suspected part then go to Step 8 No...

Page 624: ... Clear the DTC from the PCM memory using the M MDS z Perform the KOEO and KOER self test See KOEO KOER SELF TEST MZI 3 5 z Retrieve DTCs using the M MDS z Is the PENDING CODE for this DTC present Yes Replace the PCM then go to the next step see PCM REMOVAL INSTALLATION MZI 3 5 No Go to the next step 9 VERIFY AFTER REPAIR PROCEDURE z Perform the AFTER REPAIR PROCEDURE See AFTER REPAIR PROCEDURE MZI...

Page 625: ... Service Bulletins available Yes Perform repair or diagnosis according to the available Service Bulletins z If the vehicle is not repaired go to the next step No Go to the next step 3 INSPECT FOR CORRECT PCM OPERATION z Disconnect all the PCM connectors z Visually inspect for Pushed out pins Corrosion z Connect all the PCM connectors and verify that they seat correctly z Retrieve DTCs using the M ...

Page 626: ...CM programming error DETECTION CONDITION z This DTC indicates a programming error within the vehicle ID block POSSIBLE CAUSE z Vehicle ID data corrupted by the M MDS during vehicle ID reprogramming STEP INSPECTION ACTION 1 VERIFY FREEZE FRAME DATA HAS BEEN RECORDED z Has FREEZE FRAME DATA been recorded Yes Go to the next step No Record FREEZE FRAME DATA on the repair order then go to the next step...

Page 627: ...step see PCM REMOVAL INSTALLATION MZI 3 5 No Go to the next step 4 VERIFY AFTER REPAIR PROCEDURE z Perform the After Repair Procedure See AFTER REPAIR PROCEDURE MZI 3 5 z Are any DTCs present Yes Go to the applicable DTC inspection See DTC TABLE MZI 3 5 No Troubleshooting completed DTC P0603 PCM keep alive memory KAM error DETECTION CONDITION z Indicates the PCM has experienced an internal memory ...

Page 628: ...ery connection STEP INSPECTION ACTION 1 VERIFY FREEZE FRAME DATA Yes Go to the next step 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 34 AM Page 281 2005 Mitchell Repair Information Company LLC ...

Page 629: ...FOR POOR CONNECTION z Turn the ignition switch off z Disconnect the PCM connector z Inspect for poor connection such as damaged pulled out pins corrosion z Is there any malfunction Yes Repair or replace suspected part then go to Step 7 No Go to the next step 5 INSPECT MONITOR CIRCUIT FOR OPEN CIRCUIT z Turn the ignition switch off z Disconnect the battery cables z Disconnect the PCM connector z In...

Page 630: ...OEO and KOER self test See KOEO KOER SELF TEST MZI 3 5 z Retrieve DTCs using the M MDS z Is the PENDING CODE for this DTC present Yes Replace the PCM then go to the next step see PCM REMOVAL INSTALLATION MZI 3 5 No Go to the next step 8 VERIFY AFTER REPAIR PROCEDURE z Perform the AFTER REPAIR PRECAUTION See AFTER REPAIR PROCEDURE MZI 3 5 z Are any DTCs present Yes Go to the applicable DTC inspecti...

Page 631: ... to the next step No Perform PCM reprograming using the M MDS then go to next step 3 VERIFY TROUBLESHOOTING OF P0604 HAS BEEN COMPLETED z Verify that all disconnected connectors are reconnected z Turn the ignition switch to the ON position Engine off z Clear the DTC from the PCM memory using the M MDS z Perform the KOEO and KOER self test See KOEO KOER SELF TEST MZI 3 5 z Retrieve DTCs using the M...

Page 632: ...tep 2 VERIFY RELATED REPAIR INFORMATION AVAILABILITY z Verify related Service Bulletins and or on line repair information availability z Is any related Service Bulletins available Yes Perform repair or diagnosis according to available Service Bulletins z If vehicle is not repaired go to next step No Perform PCM reprograming using the M MDS then go to next step 3 VERIFY TROUBLESHOOTING OF DTC P0605...

Page 633: ...ECTION CONDITION z This DTC indicates a register hardback PCM internal communications error POSSIBLE CAUSE z PCM malfunction STEP INSPECTION ACTION 1 VERIFY FREEZE FRAME DATA HAS BEEN RECORDED z Has FREEZE FRAME DATA been recorded Yes Go to the next step No Record FREEZE FRAME DATA on the repair order then go to the next step 2 VERIFY RELATED REPAIR INFORMATION AVAILABILITY z Verify related Servic...

Page 634: ...C present Yes Replace the PCM go to the next step see PCM REMOVAL INSTALLATION MZI 3 5 No Go to the next step 4 VERIFY AFTER REPAIR PROCEDURE z Perform the After Repair Procedure See AFTER REPAIR PROCEDURE MZI 3 5 z Are any DTCs present Yes Go to the applicable DTC inspection See DTC TABLE MZI 3 5 No Troubleshooting completed DTC P0607 Control module performance DETECTION CONDITION z Indicates tha...

Page 635: ...607 HAS BEEN COMPLETED z Verify that all disconnected connectors are reconnected z Turn the ignition switch to the ON position Engine off z Clear the DTC from the PCM memory using the M MDS z Perform KOEO and KOER self test See KOEO KOER SELF TEST MZI 3 5 z Retrieve DTCs using the M MDS z Is the PENDING CODE for this DTC present Yes Replace the PCM then go to the next step see PCM REMOVAL INSTALLA...

Page 636: ...rify related Service Bulletins and or on line repair information availability z Is any related Service Bulletins available Yes Perform repair or diagnosis according to the available Service Bulletins z If the vehicle is not repaired go to the next step No Go to the next step 3 INSPECT PCM FOR LATEST CALIBRATION z Program the PCM to the latest calibration z Turn the ignition switch off z Perform th...

Page 637: ...ngine off z Clear the DTC from the PCM memory using the M MDS z Perform the KOEO and KOER self test See KOEO KOER SELF TEST MZI 3 5 z Retrieve DTCs using the M MDS z Is the PENDING CODE for this DTC present Yes Replace the PCM then go to the next step see PCM REMOVAL INSTALLATION MZI 3 5 No Go to the next step 6 VERIFY AFTER REPAIR PROCEDURE z Perform the AFTER REPAIR PROCEDURE See AFTER REPAIR PR...

Page 638: ...ot repaired go to the next step No Go to the next step 3 VERIFY RELATED PENDING CODE OR STORED DTCs z Turn the ignition switch off then to the ON position Engine off z Verify related pending code or stored DTCs z Are other DTCs present Yes Go to the appropriate DTC troubleshooting See DTC TABLE MZI 3 5 No Go to the next step 4 INSPECT FOR REFERENCE VOLTAGE CONCERNS z Inspect the PCM wiring harness...

Page 639: ... and KOER self test See KOEO KOER SELF TEST MZI 3 5 z Retrieve DTCs using the M MDS z Is the PENDING CODE for this DTC present Yes Replace the PCM then go to the next step see PCM REMOVAL INSTALLATION MZI 3 5 No Go to the next step 7 VERIFY AFTER REPAIR PROCEDURE z Perform the AFTER REPAIR PROCEDURE See AFTER REPAIR PROCEDURE MZI 3 5 z Are any DTC present Yes Go to the applicable DTC inspection Se...

Page 640: ...paired go to the next step No Perform PCM reprograming using the M MDS then go to next step 3 VERIFY TROUBLESHOOTING OF DTC P0610 HAS BEEN COMPLETED z Verify that all disconnected connectors are reconnected z Turn the ignition switch to the ON position Engine off z Clear the DTC from the PCM memory using the M MDS z Perform the KOEO and KOER self test See KOEO KOER SELF TEST MZI 3 5 z Retrieve DTC...

Page 641: ...ORDED z Has FREEZE FRAME DATA been recorded Yes Go to the next step No Record FREEZE FRAME DATA on the repair order then go to the next step 2 VERIFY RELATED REPAIR INFORMATION AVAILABILITY z Verify related Service Bulletins and or on line repair information availability z Is any related Service Bulletins available Yes Perform repair or diagnosis according to the available Service Bulletins z If t...

Page 642: ...ed z Turn the ignition switch to the ON position Engine off z Clear the DTC from the PCM memory using the M MDS z Perform the KOEO and KOER self test See KOEO KOER SELF TEST MZI 3 5 z Retrieve DTCs using the M MDS z Is the PENDING CODE for this DTC present Yes Replace the PCM then go to the next step see PCM REMOVAL INSTALLATION MZI 3 5 No Go to the next step 6 VERIFY AFTER REPAIR PROCEDURE z Perf...

Page 643: ... the repair order then go to the next step 2 VERIFY RELATED REPAIR INFORMATION AVAILABILITY z Verify related Service Bulletins and or on line repair information availability z Is any related Service Bulletins available Yes Perform repair or diagnosis according to the available Service Bulletins z If the vehicle is not repaired go to the next step No Go to the next step 3 VERIFY RELATED PENDING COD...

Page 644: ...t they seat correctly z Retrieve DTCs using the M MDS z Is the PENDING CODE for this DTC present Yes Replace the PCM then go to the next step see PCM REMOVAL INSTALLATION MZI 3 5 No Go to the next step 6 VERIFY TROUBLESHOOTING OF DTC P061C HAS BEEN COMPLETED z Verify that all disconnected connectors are reconnected z Turn the ignition switch to the ON position Engine off z Clear the DTC from the P...

Page 645: ...e set in combination with a number of other DTCs which are causing the FMEM Diagnose other DTCs first STEP INSPECTION ACTION 1 VERIFY FREEZE FRAME DATA HAS BEEN RECORDED z Has FREEZE FRAME DATA been recorded Yes Go to the next step No Record FREEZE FRAME DATA on the repair order then go to the next step 2 VERIFY RELATED REPAIR INFORMATION AVAILABILITY z Verify related Service Bulletins and or on l...

Page 646: ...HOOTING OF DTC P061F HAS BEEN COMPLETED z Verify that all disconnected connectors are reconnected z Turn the ignition switch to the ON position Engine off z Clear the DTC from the PCM memory using the M MDS z Perform the KOEO and KOER self test z Retrieve DTCs using the M MDS z Is the PENDING CODE for this DTC present Yes Replace the PCM then go to the next step see PCM REMOVAL INSTALLATION MZI 3 ...

Page 647: ...n z Open circuit between generator terminal LI and PCM terminal 2AG z Open circuit between generator terminal B and battery positive terminal z Short to ground between generator terminal LI and PCM terminal 2AG z Short to power supply between generator terminal LI and PCM terminal 2AG z Connector or terminal malfunction z PCM malfunction 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Boa...

Page 648: ...PECTION ACTION 1 VERIFY FREEZE FRAME DATA HAS BEEN RECORDED Yes Go to the next step 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 35 AM Page 301 2005 Mitchell Repair Information Company LLC ...

Page 649: ...ect generator terminal B for looseness z Are there any malfunction Yes Connect generator terminal B correctly then go to Step 12 No Go to the next step 5 INSPECT GENERATOR CIRCUIT FOR SHORT TO POWER SUPPLY z Turn the ignition switch to the ON position Engine off z Measure voltage between generator terminal LI wiring harness side and body ground z Is voltage B Yes Repair or replace suspected part t...

Page 650: ...ECT GENERATOR CIRCUIT FOR OPEN CIRCUIT z Inspect continuity between generator terminal B wiring harness side and battery positive terminal wiring harness side z Is there continuity Yes Go to the next step No Repair or replace suspected part then go to Step 12 11 INSPECT GENERATOR z Inspect the generator see GENERATOR INSPECTION MZI 3 5 z Is there any malfunction Yes Replace the generator then go t...

Page 651: ... z The PCM monitors generator load from the generator regulator in the form of frequency The concern indicates the input is lower than the load should be in norm operation The load input could be low when no generator output exists POSSIBLE CAUSE z Drive belt damaged z Generator malfunction z Short to ground between generator terminal RC and PCM terminal 2S z Short to ground between generator term...

Page 652: ...PECTION ACTION 1 VERIFY FREEZE FRAME DATA HAS BEEN RECORDED Yes Go to the next step 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 35 AM Page 305 2005 Mitchell Repair Information Company LLC ...

Page 653: ...Inspect generator terminal B for looseness z Are there any malfunction Yes Connect generator terminal B correctly then go to Step 10 No Go to the next step 5 INSPECT GENERATOR CIRCUIT FOR SHORT TO GROUND z Inspect for continuity between the following terminal Generator terminal RC wiring harness side and body ground Generator terminal LI wiring harness side and body ground z Are there continuity Y...

Page 654: ...ion Yes Replace the generator then go to Step 10 see GENERATOR REMOVAL INSTALLATION MZI 3 5 No Go to the next step 10 VERIFY TROUBLESHOOTING OF DTC P0625 HAS BEEN COMPLETED z Verify that all disconnected connectors reconnected z Clear the DTC from the PCM memory using the M MDS z Perform the KOEO or KOER self test using the M MDS See KOEO KOER SELF TEST MZI 3 51 z Is the PENDING CODE for the DTC p...

Page 655: ...the load should be in nor operation The load input could be high when a battery short to ground exists POSSIBLE CAUSE z Open circuit in wiring harness between generator terminal RC and PCM terminal z Short to power supply between generator terminal RC and PCM terminal 2S z Short to power supply between generator terminal LI and PCM terminal 2AG z Connector or terminal malfunction 2007 Mazda CX 9 G...

Page 656: ...PECTION ACTION 1 VERIFY FREEZE FRAME DATA HAS BEEN RECORDED Yes Go to the next step 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 35 AM Page 309 2005 Mitchell Repair Information Company LLC ...

Page 657: ...PECT GENERATOR CIRCUIT FOR SHORT TO POWER SUPPLY z Turn the ignition switch to the ON position Engine off z Measure the voltage between the following terminals Generator terminal RC wiring harness side and body ground Generator terminal LI wiring harness side and body ground z Is the voltage B Yes Repair or replace suspected part then go to Step 9 No Go to the next step 5 INSPECT PCM CONNECTOR FOR...

Page 658: ... Yes Go to the next step No Repair or replace suspected part then go to the next step 9 VERIFY TROUBLESHOOTING OF DTC P0626 HAS BEEN COMPLETED z Verify that all disconnected connectors reconnected z Clear the DTC from the PCM memory using the M MDS z Perform the KOEO or KOER self test using the M MDS See KOEO KOER SELF TEST MZI 3 5 z Is the PENDING CODE for the DTC present Yes Replace the PCM then...

Page 659: ...oltage circuit is lower than reference voltage minimum POSSIBLE CAUSE z Short to ground between fuel tank pressure sensor terminal C and PCM terminal 1 z Fuel tank pressure sensor malfunction z Connector or terminal malfunction 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 35 AM Page 312 2005 Mitchell Repair Informatio...

Page 660: ...RDED z Has FREEZE FRAME DATA been recorded Yes Go to the next step No Record FREEZE FRAME DATA on the repair order then go to the next step 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 35 AM Page 313 2005 Mitchell Repair Information Company LLC ...

Page 661: ...switch off z Disconnect the PCM connector z Inspect for poor connection such as damaged pulled out pins corrosion z Are there any malfunction Yes Repair or replace suspected part then go to Step 7 No Go to the next step 5 INSPECT FUEL TANK PRESSURE SENSOR CIRCUIT FOR SHORT TO GROUND z Turn the ignition switch off z Inspect the continuity between fuel tank pressure sensor terminal C wiring harness ...

Page 662: ...t step 8 VERIFY AFTER REPAIR PROCEDURE z Perform the AFTER REPAIR PROCEDURE See AFTER REPAIR PROCEDURE MZI 3 5 z Are any DTCs present Yes Go to the applicable DTC inspection See DTC TABLE MZI 3 5 No Troubleshooting completed DTC P0643 Sensor reference voltage circuit high DETECTION CONDITION z Indicates the reference voltage circuit is higher than reference voltage maximum POSSIBLE CAUSE z Short t...

Page 663: ...RDED z Has FREEZE FRAME DATA been recorded Yes Go to the next step No Record FREEZE FRAME DATA on the repair order then go to the next step 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 35 AM Page 316 2005 Mitchell Repair Information Company LLC ...

Page 664: ...ch off z Disconnect the PCM connector z Inspect for poor connection such as damaged pulled out pins corrosion z Are there any malfunction Yes Repair or replace suspected part then go to Step 7 No Go to the next step 5 INSPECT FUEL TANK PRESSURE SENSOR CIRCUIT FOR SHORT TO POWER SUPPLY z Turn the ignition switch to the ON position Engine off z Measure the voltage continuity between fuel tank pressu...

Page 665: ...present Yes Go to the applicable DTC inspection See DTC TABLE MZI 3 5 No Troubleshooting completed DTC P0645 A C relay control circuit DETECTION CONDITION z Monitors the A C relay control circuit output from the PCM The test fails when th PCM grounds the A C relay control circuit excessive current draw is detected on A C relay control circuit or with the A C relay control circuit not grounded by t...

Page 666: ...ring between A C relay terminal E and PCM terminal 1 N z Short to power supply between A C relay terminal E and PCM terminal 1 N 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 35 AM Page 319 2005 Mitchell Repair Information Company LLC ...

Page 667: ...2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 35 AM Page 320 2005 Mitchell Repair Information Company LLC ...

Page 668: ...ss the ACCS PID using M MDS z Is the PID state off Yes Go to the next step No ACCS input to PCM is requesting A C Inspect A C system operation then go to Step 12 see DIAGNOSTIC TROUBLE CODE NUMBER INSPECTION see TROUBLESHOOTING INDEX 4 INSPECT A C RELAY CONNECTOR FOR POOR CONNECTOR z Turn the ignition switch off z Disconnect the A C relay connector z Inspect for poor connection such as damaged pul...

Page 669: ...s Repair or replace suspected part then go to Step 12 No Go to the next step 8 INSPECT PCM CONNECTOR FOR POOR CONNECTION z Turn ignition switch to off z Disconnect the PCM connector z Inspect for poor connection such as damaged pulled out pins corrosion z Is there any malfunction Yes Repair or replace suspected part then go to Step 12 No Go to the next step 9 INSPECT A C RELAY CONTROL CIRCUIT FOR ...

Page 670: ...ERIFY TROUBLESHOOTING OF DTC P0645 HAS BEEN COMPLETED z Verify that all disconnected connectors reconnected z Clear the DTC from the PCM memory using the M MDS z Perform the KOEO or KOER self test using the M MDS See KOEO KOER SELF TEST MZI 35 z Is the PENDING CODE for the DTC present Yes Replace the PCM then go to the next step see PCM REMOVAL INSTALLATION MZI 3 5 No Go to the next step 13 VERIFY...

Page 671: ...C or LOCK position and the amount of time the PCM remains powered through the PCM power relay exceeds a predetermined amount of time POSSIBLE CAUSE z Short to ground circuit between main relay No 1 terminal A and PCM terminal 1 B z Main relay No 1 malfunction z PCM malfunction 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9...

Page 672: ...2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 35 AM Page 325 2005 Mitchell Repair Information Company LLC ...

Page 673: ...ion switch off z Inspect for continuity between main relay No 1 terminal A wiring harness side and body ground z Is there continuity Yes Repair or replace suspected part then go to Step 5 No Go to the next step 4 INSPECT FOR CORRECT PCM OPERATION z Disconnect all the PCM connectors z Visually inspect for Pushed out pins Corrosion z Connect all the PCM connectors and verify that they seat correctly...

Page 674: ...ubleshooting completed DTC P0689 ECM PCM power relay sense circuit low DETECTION CONDITION z This DTC sets when the passive anti theft system PATS system indicates the key ON or START position and the ignition switch position run circuit indicates OFF ACC or LOCK position POSSIBLE CAUSE z Ignition circuit fuse MAIN IG KEY 1 IG KEY 2 z Open circuit between battery positive terminal and PCM terminal...

Page 675: ...AGNOSTIC PROCEDURE 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 35 AM Page 328 2005 Mitchell Repair Information Company LLC ...

Page 676: ...ND CLEARING ADVANCED KEYLESS SYSTEM see IMMOBILIZER SYSTEM COMPONENT REPLACEMENT KEY ADDITION AND CLEARING KEYLESS ENTRY SYSTEM z Have all other PATS DTCs been diagnosed Yes Go to the next step No see IMMOBILIZER SYSTEM COMPONENT REPLACEMENT KEY ADDITION AND CLEARING ADVANCED KEYLESS SYSTEM see IMMOBILIZER SYSTEM COMPONENT REPLACEMENT KEY ADDITION AND CLEARING KEYLESS ENTRY SYSTEM 4 INSPECT PCM CO...

Page 677: ...OUBLESHOOTING OF DTC P0689 HAS BEEN COMPLETED z Verify that all disconnected connectors reconnected z Clear the DTC from the PCM memory using the M MDS z Perform the KOEO or KOER self test using the M MDS See KOEO KOER SELF TEST MZI 3 5 z Is the PENDING CODE for the DTC present Yes Replace the PCM then go to the next step see PCM REMOVAL INSTALLATION MZI 3 5 No Go to the next step 8 VERIFY AFTER R...

Page 678: ...OFF ACC or LOCK position and the ignition switch position run circuit indi ON or START position POSSIBLE CAUSE z Short to power supply between battery positive terminal and PCM terminal 1 BD z PATS system malfunction z Ignition switch malfunction 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 36 AM Page 331 2005 Mitchel...

Page 679: ...AGNOSTIC PROCEDURE 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 36 AM Page 332 2005 Mitchell Repair Information Company LLC ...

Page 680: ... AND CLEARING ADVANCED KEYLESS SYSTEM see IMMOBILIZER SYSTEM COMPONENT REPLACEMENT KEY ADDITION AND CLEARING KEYLESS ENTRY SYSTEM z Have all other PATS DTCs been diagnosed Yes Go to the next step No see IMMOBILIZER SYSTEM COMPONENT REPLACEMENT KEY ADDITION AND CLEARING ADVANCED KEYLESS SYSTEM see IMMOBILIZER SYSTEM COMPONENT REPLACEMENT KEY ADDITION AND CLEARING KEYLESS ENTRY SYSTEM 4 INSPECT IGNI...

Page 681: ... the DTC from the PCM memory using the M MDS z Perform the KOEO or KOER self test using the M MDS See KOEO KOER SELF TEST MZI 3 5 z Is the PENDING CODE for the DTC present Yes Replace the PCM then go to the next step see PCM REMOVAL INSTALLATION MZI 3 5 No Go to the next step 7 VERIFY AFTER REPAIR PROCEDURE z Perform the AFTER REPAIR PROCEDURE See AFTER REPAIR PROCEDURE MZI 3 5 z Are any DTCs pres...

Page 682: ... Verify related Service Bulletins and or on line repair information availability z Is any related Service Bulletins available Yes Perform repair or diagnosis according to the available Service Bulletins z If the vehicle is not repaired go to the next step No Go to the next step 3 DTC P1000 INSPECT FOR OTHER DTCS z This test should be used only if DTC P1000 was received in Continuous Memory Ignore ...

Page 683: ...d DTC P1001 KOER not able to complete KOER aborted DETECTION CONDITION z P1001 indicates any of the following z Unable to access Continuous Memory DTCs z Unable to activate KOEO or KOER Self Test z M MDS tester communication problem z DTC displayed by M MDS tester not listed z KOER Self Test cannot be completed POSSIBLE CAUSE z Damaged DLC 2 z Incorrect Self Test procedure z VREF is not in specifi...

Page 684: ...t step 4 INSPECT FOR CORRECT PCM OPERATION z Disconnect all the PCM connectors z Visually inspect for Pushed out pins Corrosion z Connect all the PCM connectors and verify that they seat correctly z Retrieve DTCs using the M MDS z Is the PENDING CODE for this DTC present Yes Replace the PCM then go to the next step see PCM REMOVAL INSTALLATION MZI 3 5 No Go to the next step 5 VERIFY TROUBLESHOOTIN...

Page 685: ...If during KOEO the air flow voltage signal is more than 0 27 V w the ignition switch in the ON position Engine off Likewise the test fails if the airflow voltage signal is not within 0 46 to 2 44 V with the ignition switch in the O position Engine running KOER POSSIBLE CAUSE z Low battery charge z Open circuit wiring harness between MAP sensor terminal B wiring harness side body ground z Open circ...

Page 686: ...en recorded Yes Go to next step No Record FREEZE FRAME DATA on the repair order then go to next step 2 VERIFY RELATED REPAIR Yes Perform repair or diagnosis according to 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 36 AM Page 339 2005 Mitchell Repair Information Company LLC ...

Page 687: ...PECT MAP SENSOR AND PCM CONNECTOR FOR POOR CONNECTION z Turn the ignition switch off z Disconnect the MAF IAT sensor and PCM connector z Inspect for poor connection such as damaged pulled out pins corrosion z Are there any malfunction Yes Repair or replace suspected part then go to Step 10 No Go to the next step 6 INSPECT MAF SENSOR GROUND CIRCUIT FOR OPEN CIRCUIT z Turn the ignition switch off z ...

Page 688: ... seat correctly z Retrieve DTCs using the M MDS z Is the PENDING CODE for this DTC present Yes Go to the next step No The system is correctly Go to the next step 10 VERIFY TROUBLESHOOTING OF DTC P1101 HAS BEEN COMPLETED z Verify that all disconnected connectors reconnected z Clear DTC from memory using M MDS z Start engine z Perform KOEO KOER self test See KOEO KOER SELF TEST MZI 3 5 z Is same DTC...

Page 689: ...EP INSPECTION ACTION 1 VERIFY FREEZE FRAME DATA HAS BEEN RECORDED z Has FREEZE FRAME DATA been recorded Yes Go to the next step No Record FREEZE FRAME DATA on the repair order then go to next step 2 VERIFY RELATED REPAIR INFORMATION AVAILABILITY z Verify related Service Bulletins availability z Is any related Service Bulletins available Yes Perform repair or diagnosis according to available Servic...

Page 690: ... next step 5 VERIFY AFTER REPAIR PROCEDURE z Perform AFTER REPAIR PROCEDURE See AFTER REPAIR PROCEDURE MZI 3 5 z Are any DTC present Yes Go to the applicable DTC inspection See DTC TABLE MZI 3 5 No Troubleshooting completed DTC P115E Throttle actuator control throttle body air flow trim at max limit DETECTION CONDITION z During idle the PCM monitors the throttle angle and air flow If the air flow ...

Page 691: ...TCs before P115E z Have all other powertrain DTCs been diagnosed Yes Go to the next step No Go to the appropriate DTC Troubleshooting 4 INSPECT THROTTLE BODY z Remove the air duct from the throttle valve body z Check around the throttle plate for sludge z Is the throttle valve normal Yes Replace the throttle body Then go to the Step 6 No Clean the throttle plate and throttle valve body Then go to ...

Page 692: ...R PROCEDURE MZI 3 5 z Are any DTC present Yes Go to the applicable DTC inspection See DTC TABLE MZI 3 5 No Troubleshooting completed DTC P1260 Theft detected vehicle immobilized DETECTION CONDITION Indicates that the PATS determined a theft condition existed and the engine is disabled This DTC is a good indicator to check the PATS for DTCs POSSIBLE CAUSE z Previous theft condition z Anti theft sys...

Page 693: ...e IMMOBILIZER SYSTEM COMPONENT REPLACEMENT KEY ADDITION AND CLEARING ADVANCED KEYLESS SYSTEM see IMMOBILIZER SYSTEM COMPONENT REPLACEMENT KEY ADDITION AND CLEARING KEYLESS ENTRY SYSTEM 4 INSPECT FOR OTHER POWERTRAIN DTCs z Repair all other powertrain DTCs before P1260 z Have all other powertrain DTCs been diagnosed Yes Go to the next step No Go to the appropriate DTC troubleshooting 5 ATTEMPT TO S...

Page 694: ...erify that all disconnected connectors are reconnected z Turn the ignition switch to the ON position Engine off z Clear the DTC from the PCM memory using the M MDS z Start the engine and run it at idle z Retrieve DTCs using the M MDS z Is the PENDING CODE for this DTC present Yes Replace the PCM then go to the next step see PCM REMOVAL INSTALLATION MZI 3 5 No Go to the next step 7 VERIFY AFTER REP...

Page 695: ...r order then go to the next step 2 VERIFY RELATED REPAIR INFORMATION AVAILABILITY z Verify related Service Bulletins and or on line repair information availability z Is any related Service Bulletins available Yes Perform repair or diagnosis according to the available Service Bulletins z If the vehicle is not repaired go to the next step No Go to the next step 3 INSPECT COOLING SYSTEM WARNING z Nev...

Page 696: ...ction See DTC TABLE MZI 3 5 No Repair if necessary Then go to the next step 4 INSPECT OPERATION OF THE CHT SENSOR z Run the engine until the engine temperature stabilizes z Verify the radiator hoses are hot and the cooling system is pressurized z Verify self test DTCs z Is DTC P1285 present Yes Go to the next step No An engine overheat temperature was not detected Repair any other DTCs if necessar...

Page 697: ...ALLATION MZI 3 5 No Go to the next step 7 VERIFY AFTER REPAIR PROCEDURE z Perform the AFTER REPAIR PROCEDURE See AFTER REPAIR PROCEDURE MZI 3 5 z Are any DTC present Yes Go to the applicable DTC inspection See DTC TABLE MZI 3 5 No Troubleshooting completed DTC P1288 CHT sensor out of self test range DETECTION CONDITION z Indicates the CHT sensor is out of self test range The engine is not at a nor...

Page 698: ...LING SYSTEM z Inspect the vehicle coolant level z Is the cooling system normal Yes Go to the next step No Inspect the cooling system overheat the go to Step 7 5 INSPECT CHT SENSOR z Inspect the CHT sensor see CYLINDER HEAD TEMPERATURE CHT SENSOR INSPECTION MZI 3 5 z Is there any malfunction Yes Replace the CHT sensor then go to Step 7 No Go to the next step 6 INSPECT FOR CORRECT PCM OPERATION z Di...

Page 699: ...FTER REPAIR PROCEDURE MZI 3 5 z Are any DTCs present Yes Go to the applicable DTC inspection See DTC TABLE MZI 3 5 No Troubleshooting completed DTC P1289 CHT sensor circuit high input DETECTION CONDITION z Indicates a CHT sensor circuit open POSSIBLE CAUSE z Open circuit in wiring harness between CHT sensor terminal A and PCM terminal z Open circuit in wiring harness between CHT sensor terminal B ...

Page 700: ...RDED z Has FREEZE FRAME DATA been recorded Yes Go to the next step No Record FREEZE FRAME DATA on the repair order then go to the next step 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 36 AM Page 353 2005 Mitchell Repair Information Company LLC ...

Page 701: ...o the ON position Engine off z Measure the voltage between CHT sensor terminal B wiring harness side and body ground z Is the voltage B Yes Repair or replace suspected part then go to Step 8 No Go to the next step 5 INSPECT PCM CONNECTOR FOR POOR CONNECTION z Disconnect the PCM connector z Inspect for poor connection such as damaged pulled out pins corrosion z Are there any malfunction Yes Repair ...

Page 702: ...connected z Clear the DTC from the PCM memory using the M MDS z Perform the KOEO or KOER self test using the M MDS See KOEO KOER SELF TEST MZI 3 5 z Is the PENDING CODE for the DTC present Yes Replace the PCM then go to the next step see PCM REMOVAL INSTALLATION MZI 3 5 No Go to the next step 9 VERIFY AFTER REPAIR PROCEDURE z Perform AFTER REPAIR PROCEDURE See AFTER REPAIR PROCEDURE MZI 3 5 z Are ...

Page 703: ...E CAUSE z Short to ground in wiring harness between CHT sensor terminal B and PCM term 2AN z CHT sensor malfunction z Connector or terminal malfunction 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 36 AM Page 356 2005 Mitchell Repair Information Company LLC ...

Page 704: ...rminals A and B part side z Is there any malfunction Yes Repair or replace the terminal then go to Step 6 No Go to the next step 4 INSPECT CHT SENSOR SIGNAL CIRCUIT FOR SHORT TO GROUND z Turn the ignition switch off z Inspect for continuity between CHT sensor terminal B wiring harness side and body ground z Is there continuity Yes Repair or replace suspected part then go to Step 6 No Go to the nex...

Page 705: ... PROCEDURE MZI 3 5 z Are any DTCs present Yes Go to the applicable DTC inspection See DTC TABLE MZI 3 5 No Troubleshooting completed DTC P1336 CKP CMP sensor range performance DETECTION CONDITION z The input signal to the PCM from the CKP sensor or the CMP sensor is erratic POSSIBLE CAUSE z CKP sensor malfunction z CMP sensor malfunction z Base engine malfunction z Connector or terminal malfunctio...

Page 706: ...z Connect the M MDS to the DLC 2 z Access RPM PID z Crank the engine z Is the reading more than 150 rpm NOTE z The battery should be fully charged and the starting system should be functioning properly Yes Go to Step 8 No Go to the next step 5 INSPECT THE FRONT COVER CKP SENSOR AND CKP SENSOR PULSE WHEEL FOR OBVIOUS PHYSICAL DAMAGE z Turn the ignition switch off z Visually inspect the front cover ...

Page 707: ... there any malfunction Yes Repair or replace suspected part then go to Step 11 No Go to the next step 9 INSPECT CMP SENSOR z Inspect the CMP sensor see CAMSHAFT POSITION CMP SENSOR INSPECTION MZI 3 5 z Is there any malfunction Yes Replace the CMP sensor then go to Step 11 see CAMSHAFT POSITION CMP SENSOR REMOVAL INSTALLATION MZI 3 5 No Go to the next step 10 INSPECT PCM CONNECTOR FOR POOR CONNECTI...

Page 708: ... test range DETECTION CONDITION z This DTC indicates that the 12 volt system voltage is too high or too low during the KOEO or KOER self test It sets if the system voltage falls below or exceeds the calibrated threshold at any time during the KOEO or KOER self test POSSIBLE CAUSE z Battery or charging system concern STEP INSPECTION ACTION 1 VERIFY FREEZE FRAME DATA HAS BEEN RECORDED z Has FREEZE F...

Page 709: ... all disconnected connectors reconnected z Clear the DTC from the PCM memory using the M MDS z Perform the KOEO or KOER self test using the M MDS See KOEO KOER SELF TEST MZI 3 5 z Is the PENDING CODE for the DTC present Yes Replace the PCM then go to the next step see PCM REMOVAL INSTALLATION MZI 3 5 No Go to the next step 5 VERIFY AFTER REPAIR PROCEDURE z Perform AFTER REPAIR PROCEDURE See AFTER ...

Page 710: ...orded Yes Go to the next step No Record FREEZE FRAME DATA on the repair order then go to the next step 2 VERIFY RELATED REPAIR INFORMATION AVAILABILITY z Verify related Service Bulletins and or on line repair information availability z Is any related Service Bulletins available Yes Perform repair or diagnosis according to the available Service Bulletins z If the vehicle is not repaired go to the n...

Page 711: ...D VALVE IS STUCK CLOSED z Open the purge solenoid valve using the EVMV PID z Does the pressure drop immediately Yes Go to the next step No Check to see if the CV solenoid valve is stuck closed Replace if necessary see CHARCOAL CANISTER CANISTER VENT CV SOLENOID VALVE AIR FILTER COMPONENT REMOVAL INSTALLATION MZI 3 5 Go to Step 9 7 INSPECT FOR FUEL TANK PRESSURE SENSOR PID WITHOUT PRESSURE APPLIED ...

Page 712: ...y using the M MDS z Start the engine and the perform EVAP system monitor drive cycle z Retrieve DTCs using the M MDS z Is the PENDING CODE for this DTC present Yes Replace the PCM then go to the next step see PCM REMOVAL INSTALLATION MZI 3 5 No Go to the next step 10 VERIFY AFTER REPAIR PROCEDURE z Perform AFTER REPAIR PROCEDURE z See AFTER REPAIR PROCEDURE MZI 3 5 z Are any DTC present Yes Go to ...

Page 713: ...etween PCV valve heater fitting terminal B and PCM terminal 2AU z Open circuit between PCV valve heater control terminal B and PCM terminal 2BL z Open circuit between PCV valve heater fitting B and PCM terminal 2AU z Connector or terminal malfunction z PCV valve heater control malfunction z PCV valve heater fitting malfunction 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnost...

Page 714: ...rcuit Diagram Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 37 AM Page 367 2005 Mitchell Repair Information Company LLC ...

Page 715: ...NECTION z Turn the ignition switch off z Disconnect PCV valve heater control and PCV valve heater fitting connector z Inspect for poor connection such as damaged pulled out pins corrosion z Are there any malfunction Yes Repair or replace suspected part then go to Step 9 No Go to the next step 4 INSPECT POWER SUPPLY CIRCUIT FOR OPEN CIRCUIT z Turn the ignition switch to the ON position Engine off z...

Page 716: ...unction Yes Repair or replace suspected part then go to Step 9 No Go to the next step 7 INSPECT PCV VALVE HEATER CONTROL AND PCV VALVE HEATER FITTING FOR OPEN CIRCUIT z Inspect for continuity between the following circuit PCV valve heater control terminal B wiring harness side and PCM terminal 2BL wiring harness side PCV valve heater fitting B wiring harness side and PCM terminal 2AU wiring harnes...

Page 717: ... the M MDS z Perform the KOEO or KOER self test using the M MDS See KOEO KOER SELF TEST MZI 3 5 z Is the PENDING CODE for the DTC present Yes Replace the PCM then go to the next step see PCM REMOVAL INSTALLATION MZI 3 5 No Go to the next step 10 VERIFY AFTER REPAIR PROCEDURE z Perform the AFTER REPAIR PROCEDURE See AFTER REPAIR PROCEDURE MZI 3 5 z Are any DTCs present Yes Go to the applicable DTC ...

Page 718: ...vice Bulletins z If the vehicle is not repaired go to the next step No Go to the next step 3 VERIFY A C AND DEFROST ARE OFF DURING SELF TEST z Perform the KOEO KOER self test See KOEO KOER SELF TEST MZI 3 5 z Are the A C and defrost off during the self test Yes Go to the next step No Turn the A C and defrost off Then go to Step 5 4 INSPECT ACCS PID z Turn the ignition switch to the ON position Eng...

Page 719: ...RE See AFTER REPAIR PROCEDURE MZI 3 5 z Are any DTCs present Yes Go to the applicable DTC inspection See DTC TABLE MZI 3 5 No Troubleshooting completed DTC P1500 Vehicle speed signal DETECTION CONDITION z Indicates the VSS input signal was intermittent This DTC is set when a VSS concern interferes with other OBD tests such as the catalyst efficiency monitor the EVAP monitor or the HO2S monitor POS...

Page 720: ...Go to the appropriate DTC inspection see ON BOARD DIAGNOSIS DSC RSC No Go to the next step 4 VERIFY TROUBLESHOOTING OF DTC P1500 HAS BEE COMPLETED z Verify that all disconnected connectors reconnected z Clear the DTC from the PCM memory using the M MDS z Perform the KOEO or KOER self test using the M MDS See KOEO KOER SELF TEST MZI 3 5 z Is the PENDING CODE for the DTC present Yes Replace the PCM ...

Page 721: ...No Record FREEZE FRAME DATA on the repair order then go to the next step 2 VERIFY RELATED REPAIR INFORMATION AVAILABILITY z Verify related Service Bulletins and or on line repair information availability z Is any related Service Bulletins available Yes Perform repair or diagnosis according to the available Service Bulletins z If the vehicle is not repaired go to the next step No Go to the next ste...

Page 722: ...RE See AFTER REPAIR PROCEDURE MZI 3 5 z Are any DTCs present Yes Go to the applicable DTC inspection See DTC TABLE MZI 3 5 No Troubleshooting completed DTC P1633 Keep alive power voltage too low DETECTION CONDITION z Indicates the keep alive power circuit has experienced a voltage interrupt POSSIBLE CAUSE z Connector or terminal malfunction z Open circuit between battery positive terminal and PCM ...

Page 723: ...PECTION ACTION 1 VERIFY FREEZE FRAME DATA HAS BEEN RECORDED Yes Go to the next step 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 37 AM Page 376 2005 Mitchell Repair Information Company LLC ...

Page 724: ... 5 No Go to the next step 4 INSPECT KEEP ALIVE POWER CIRCUIT FOR OPEN CIRCUIT z Turn the ignition switch off z Disconnect battery cables z Disconnect PCM connector z Check continuity between battery positive terminal harness side and PCM terminal 1BB wiring harness side z Is there continuity Yes Go to the next step No Repair or replace suspected part then go to the next step 5 VERIFY TROUBLESHOOTI...

Page 725: ...DED z Has FREEZE FRAME DATA been recorded Yes Go to the next step No Record FREEZE FRAME DATA on the repair order then go to the next step 2 VERIFY RELATED REPAIR INFORMATION AVAILABILITY z Verify related Service Bulletins and or on line repair information availability z Is any related Service Bulletins available Yes Perform repair or diagnosis according to available Service Bulletins z If vehicle...

Page 726: ... Is same DTC present Yes Replace the PCM then go to the next step see PCM REMOVAL INSTALLATION MZI 3 5 No Go to the next step 6 VERIFY AFTER REPAIR PROCEDURE z Perform AFTER REPAIR PRECAUTION See AFTER REPAIR PROCEDURE MZI 3 5 z Are any DTCs present Yes Go to the applicable DTC inspection See DTC TABLE MZI 3 5 No Troubleshooting completed DTC P1639 Vehicle ID block corrupted that not programmed DE...

Page 727: ...3 VERIFY TROUBLESHOOTING OF DTC P1639 HAS BEEN COMPLETED z Verify that all disconnected connectors are reconnected z Turn the ignition switch to the ON position Engine off z Clear the DTC from the PCM memory using the M MDS z Start the engine and perform the KOEO and KOER self test z Retrieve DTCs using the M MDS z Is the PENDING CODE for this DTC present Yes Replace the PCM then go to the next st...

Page 728: ... z The steering wheel must be turned during KOER self test z PSP switch malfunction z Open circuit between PSP switch terminal A and PCM terminal 2I z Short to ground circuit between PSP switch terminal A and PCM terminal 2I STEP INSPECTION ACTION 1 VERIFY FREEZE FRAME DATA HAS BEEN RECORDED z Has FREEZE FRAME DATA been recorded Yes Go to the next step No Record FREEZE FRAME DATA on the repair ord...

Page 729: ...ntinuity between PSP switch terminal A wiring harness side and body ground z Is there continuity Yes Repair or replace suspected part then go to Step 8 No Go to the next step 5 INSPECT PCM CONNECTOR FOR POOR CONNECTION z Turn the ignition switch off z Disconnect the PCM connector z Inspect for poor connection such as damaged pulled out pins corrosion z Is there any malfunction Yes Repair or replac...

Page 730: ... disconnected connectors reconnected z Start the engine z Clear DTC from PCM memory using M MDS z Perform the KOEO KOER Self Test See KOEO KOER SELF TEST MZI 3 5 z Is same DTC present Yes Replace the PCM then go to the next step see PCM REMOVAL INSTALLATION MZI 3 5 No Go to the next step 9 VERIFY AFTER REPAIR PROCEDURE z Perform AFTER REPAIR PROCEDURE See AFTER REPAIR PROCEDURE MZI 3 5 z Are any D...

Page 731: ...lletins z If the vehicle is not repaired go to the next step No Perform the PCM reprogramming procedure see PCM CONFIGURATION MZI 3 5 Then go to the next step 3 VERIFY TROUBLESHOOTING OF DTC P1674 HAS BEEN COMPLETED z Verify that all disconnected connectors are reconnected z Turn the ignition switch to the ON position Engine off z Clear the DTC from the PCM memory using the M MDS z Start the engin...

Page 732: ...EO self test the brake pedal position signal was high during the KOER self test the BPP signal did not cycle high and low POSSIBLE CAUSE z Connector or terminal malfunction z Brake switch No 1 malfunction z Brake switch No 1 mis installation z Brake switch No 1 circuit malfunction 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 20...

Page 733: ...he repair order then go to next step 2 VERIFY RELATED REPAIR INFORMATION AVAILABILITY z Verify related Service Bulletins Yes Perform repair or diagnosis according to available Service Bulletins z If vehicle is not repaired go to next 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 37 AM Page 386 2005 Mitchell Repair Info...

Page 734: ...or cruise control operation z Does the cruise control operate correctly Yes Go to next step No Repair or replace suspected part then go to Step 10 6 INSPECT BRAKE SWITCH AND PCM CONNECTOR FOR POOR CONNECTION z Turn the ignition switch off z Disconnect the throttle body connector z Inspect for poor connection such as damaged pulled out pins corrosion z Are there any malfunction Yes Repair or replac...

Page 735: ...t correctly z Retrieve DTCs using the M MDS z Is the PENDING CODE for this DTC present Yes Go to the next step No The system is correctly Go to the next step 10 VERIFY TROUBLESHOOTING OF DTC P1703 HAS BEEN COMPLETED z Verify that all disconnected connectors reconnected z Clear DTC from memory using M MDS z Perform KOEO KOER Self Test z Is PENDING CODE same as DTC present Yes Replace the PCM then g...

Page 736: ...function z Open circuit wiring harness between throttle body terminal A and PCM terminal 2 z Short to power supply in wiring harness between throttle body terminal A and PCM terminal 2BO z Open circuit wiring harness between throttle body terminal B and PCM terminal 2 z Short to power supply in wiring harness between throttle body terminal B and PCM terminal 2BR z Throttle actuator circuits are sh...

Page 737: ...tep No Record FREEZE FRAME DATA on the repair order then go to the next step 2 VERIFY RELATED REPAIR INFORMATION AVAILABILITY Yes Perform repair or diagnosis according to the available Service Bulletins 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 37 AM Page 390 2005 Mitchell Repair Information Company LLC ...

Page 738: ...n Yes Replace the throttle body then go to Step 9 see INTAKE AIR SYSTEM REMOVAL INSTALLATION MZI 3 5 No Go to the next step 5 INSPECT PCM CONNECTOR FOR POOR CONNECTION z Turn the ignition switch off z Disconnect the PCM connector z Inspect for poor connection such as damaged pulled out pins corrosion z Is there any malfunction Yes Repair or replace suspected part then go to Step 9 No Go to the nex...

Page 739: ...Throttle body terminal A and body ground Throttle body terminal B and body ground z Are there voltage B Yes Repair or replace suspected part then go to the next step No Go to the next step 9 VERIFY TROUBLESHOOTING OF DTC P2100 HAS BEEN COMPLETED z Verify that all disconnected connectors reconnected z Clear the DTC from the PCM memory using the M MDS z Perform the KOEO or KOER self test using the M...

Page 740: ... MZI 3 5 No Troubleshooting completed DTC P2101 Throttle actuator circuit range performance DETECTION CONDITION z A PCM malfunction flag is set indicating the motor circuit is open and may requi cycling the key POSSIBLE CAUSE z Throttle actuator circuit are cross wired 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 37 A...

Page 741: ...tep No Record FREEZE FRAME DATA on the repair order then go to the next step 2 VERIFY RELATED REPAIR INFORMATION AVAILABILITY Yes Perform repair or diagnosis according to the available Service Bulletins 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 38 AM Page 394 2005 Mitchell Repair Information Company LLC ...

Page 742: ... poor connection such as damaged pulled out pins corrosion z Are there any malfunction Yes Repair or replace suspected part then go to Step 6 No Go to the next step 5 INSPECT FOR CORRECT PCM OPERATION z Disconnect all the PCM connectors z Visually inspect for Pushed out pins Corrosion z Connect all the PCM connectors and verify that they seat correctly z Retrieve DTCs using the M MDS z Is the PEND...

Page 743: ...TC P2105 P2105 Throttle actuator control system forced engine shutdown DTC P2110 P2110 Throttle actuator control system forced limited RPM DETECTION CONDITION z The TAC system is in the failure mode effects management FMEM mode POSSIBLE CAUSE z This DTC is an informational DTC and may be set in combination with a number of other DTCs which are causing the FMEM Diagnose other DTCs first STEP INSPEC...

Page 744: ... off z Visually inspect the following for obvious signs of damage Throttle body PCM z Is a concern present Yes Isolate the concern and repair if necessary Then go to Step 6 No Go to the next step 5 INSPECT ACCELERATOR PEDAL POSITION APP SENSOR z Perform the APP sensor inspection see ACCELERATOR PEDAL POSITION APP SENSOR INSPECTION MZI 3 5 z Is a concern present Yes Repair or replace if necessary T...

Page 745: ... 3 5 No Troubleshooting completed DTC P2107 Throttle actuator control module processor DETECTION CONDITION z The throttle actuator control area of the PCM failed the self test POSSIBLE CAUSE z Throttle body malfunction z Throttle actuator control circuits are shorted each other z Short to power supply between throttle actuator terminal A and PCM terminal 2B z Short to power supply between throttle...

Page 746: ...p No Record the FREEZE FRAME DATA on the repair order then go to the next step 2 VERIFY RELATED REPAIR INFORMATION AVAILABILITY Yes Perform repair or diagnosis according to the available Service Bulletins 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 38 AM Page 399 2005 Mitchell Repair Information Company LLC ...

Page 747: ... between the following circuits Throttle actuator terminal A wiring harness side and body ground Throttle actuator terminal B wiring harness side and body ground z Are there voltage B Yes Repair or replace suspected part then go to Step 8 No Go to the next step 5 INSPECT THROTTLE ACTUATOR CONTROL CIRCUITS FOR SHORT EACH OTHER z Turn the ignition switch off z Disconnect the throttle body and PCM co...

Page 748: ...HOOTING OF DTC P2107 HAS BEEN COMPLETED z Verify that all disconnected connectors reconnected z Start the engine z Clear DTC from PCM memory using M MDS z Perform the KOEO KOER Self Test See KOEO KOER SELF TEST MZI 3 5 z Is same DTC present Yes Replace the PCM then go to the next step see PCM REMOVAL INSTALLATION MZI 3 5 No Go to the next step 9 VERIFY AFTER REPAIR PROCEDURE z Perform the AFTER RE...

Page 749: ...throttle plate is at a more angle than command POSSIBLE CAUSE z Binding throttle body stuck open z Throttle actuator control circuits are cross wired z Throttle actuator control circuits are shorted each other z PCM malfunction 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 38 AM Page 402 2005 Mitchell Repair Informatio...

Page 750: ...PECTION ACTION 1 VERIFY FREEZE FRAME DATA HAS BEEN RECORDED Yes Go to the next step 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 38 AM Page 403 2005 Mitchell Repair Information Company LLC ...

Page 751: ... PIDs when depressing the accelerator pedal to the floor and releasing Pedal fully released TP1 is 3 7 4 7 V Pedal fully released TP2 is 0 3 1 9 V Pedal fully depressed TP1 is 0 7 2 9 V Pedal fully depressed TP2 is 4 1 4 7 V z Are both PIDs within the specification Yes Go to the Step 5 No Go to the next step 4 INSPECT FOR OBSTRUCTION OF THROTTLE BODY WARNING z Substantial opening and closing torqu...

Page 752: ...THROTTLE POSITION TP SENSOR INSPECTION MZI 3 5 z Do all signal values smoothly change when the accelerator is depressed Yes Go to the next step No Replace the throttle body Then go to Step 9 6 INSPECT TP SENSOR CIRCUIT FOR INTERMITTENT CONCERN z Access the PCM and monitor the TP1 and TP2 PIDs z Wiggle shake and bend the wiring harness from the TP to the PCM z Are the voltages between 0 49 4 65 V Y...

Page 753: ...p No Repair or replace suspected part then go to the next step 9 VERIFY TROUBLESHOOTING OF DTC P2111 HAS BEEN COMPLETED z Verify that all disconnected connectors reconnected z Clear the DTC from the PCM memory using the M MDS z Perform the KOEO or KOER self test using the M MDS See KOEO KOER SELF TEST MZI 3 5 z Is the PENDING CODE for the DTC present Yes Replace the PCM then go to the next step se...

Page 754: ... PCM fault status indicates the throttle plate is at a lower angle than command POSSIBLE CAUSE z Binding throttle body stuck open z Throttle actuator control circuits are cross wired z Throttle actuator control circuits are shorted each other z PCM malfunction 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 38 AM Page 40...

Page 755: ...PECTION ACTION 1 VERIFY FREEZE FRAME DATA HAS BEEN RECORDED Yes Go to the next step 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 38 AM Page 408 2005 Mitchell Repair Information Company LLC ...

Page 756: ... PIDs when depressing the accelerator pedal to the floor and releasing Pedal fully released TP1 is 3 7 4 7 V Pedal fully released TP2 is 0 3 1 9 V Pedal fully depressed TP1 is 0 7 2 9 V Pedal fully depressed TP2 is 4 1 4 7 V z Are both PIDs within the specification Yes Go to the Step 5 No Go to the next step 4 INSPECT FOR OBSTRUCTION OF THROTTLE BODY WARNING z Substantial opening and closing torqu...

Page 757: ...THROTTLE POSITION TP SENSOR INSPECTION MZI 3 5 z Do all signal values smoothly change when the accelerator is depressed Yes Go to the next step No Replace the throttle body Then go to Step 9 6 INSPECT TP SENSOR CIRCUIT FOR INTERMITTENT CONCERN z Access the PCM and monitor the TP1 and TP2 PIDs z Wiggle shake and bend the wiring harness from the TP to the PCM z Are the voltages between 0 49 4 65 V Y...

Page 758: ...t step 9 VERIFY TROUBLESHOOTING OF DTC P2112 HAS BEEN COMPLETED z Verify that all disconnected connectors reconnected z Clear the DTC from the PCM memory using the M MDS z Perform the KOEO or KOER self test using the M MDS See KOEO KOER SELF TEST MZI 3 5 z Is the PENDING CODE for the DTC present Yes Replace the PCM then go to the next step see PCM REMOVAL INSTALLATION MZI 3 5 No Go to the next ste...

Page 759: ... to ground circuit between APP sensor terminal E and PCM terminal 1 Short to power supply in wiring harness between APP sensor terminal E and PCM terminal 1 AK P2126 Open circuit wiring harness between APP sensor terminal H and PCM term AG Short to ground circuit between APP sensor terminal H and PCM terminal 1 Short to power supply in wiring harness between APP sensor terminal H an PCM terminal 1...

Page 760: ...HAS BEEN RECORDED z Has FREEZE FRAME DATA Yes Go to the next step No Record FREEZE FRAME DATA on the repair order then go to the next step 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 38 AM Page 413 2005 Mitchell Repair Information Company LLC ...

Page 761: ... Step 12 4 INSPECT APP SENSOR SIGNAL VOLTAGE RANGES FOR ACCELERATOR PEDAL FULLY APPLIED AND DEPRESS POSITIONS z Access the PCM and monitor the APP1 APP2 and APP3 PIDs z Verify the following values of the PIDs when depressing the accelerator pedal fully to the floor APP1 0 48 1 79 V APP2 2 95 4 62 V APP3 2 43 4 02 V z Verify the following values of the PIDs when press the accelerator pedal release ...

Page 762: ...next Step No Go to Step 11 7 INSPECT FUNCTIONALITY OF APP SENSOR z Turn the ignition switch off z Disconnect the APP sensor connector z Measure the resistance between the following APP sensor terminals APP sensor component side E and D or F 600 1 370 ohms E and C or G 720 1 660 ohms E and H 1 300 2 960 ohms E and B 1 250 2 860 ohms H and D or F 750 1 720 ohms H and C or G 660 1 520 ohms H and B 1 ...

Page 763: ...nal 1AC z Are there continuity Yes Go to the next step No Repair or replace suspected part then go to Step 12 9 INSPECT APP SENSOR SIGNAL CIRCUIT FOR SHORT TO GROUND z Turn the ignition switch off z Inspect for continuity between the following terminals P2121 APP sensor terminal E and body ground P2126 APP sensor terminal H and Yes Repair or replace suspected part then go to Step 12 No Go to the n...

Page 764: ... body ground Are the voltage B Yes Repair or replace suspected part then go to Step 12 No Go to the next Step 11 INSPECT APP SENSOR SIGNAL CIRCUIT FOR SHORT EACH OTHER z Turn the ignition switch off z Disconnect PCM connector z Disconnect APP sensor connector z Measure the resistance between the following APP sensor terminals wiring harness side P2121 E and H Yes Go to the next step 2007 Mazda CX ...

Page 765: ...z Clear the DTC from the PCM memory using the M MDS z Perform the KOEO or KOER self test using the M MDS See KOEO KOER SELF TEST MZI 3 5 z Is the PENDING CODE for the DTC present Yes Replace the PCM then go to the next step see PCM REMOVAL INSTALLATION MZI 3 5 No Go to the next step 13 VERIFY AFTER REPAIR PROCEDURE Yes Go to the applicable DTC inspection See DTC TABLE MZI 3 5 2007 Mazda CX 9 Grand...

Page 766: ... F and PCM terminal 1BA z Short to ground circuit between APP sensor terminal D and PCM terminal 1Y z Short to ground circuit between APP sensor terminal G and PCM terminal 1AD z Short to ground circuit between APP sensor terminal C and PCM terminal 1AH z Short to ground circuit between APP sensor terminal E and PCM terminal 1AK z Connector or terminal malfunction z APP sensor malfunction 2007 Maz...

Page 767: ...EN RECORDED z Has FREEZE FRAME DATA Yes Go to the next step No Record FREEZE FRAME DATA on the repair order then go to the next step 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 38 AM Page 420 2005 Mitchell Repair Information Company LLC ...

Page 768: ...No Go to the next step 4 INSPECT APP SENSOR NO 1 CIRCUIT FOR SHORT TO GROUND z Turn the ignition switch off z Inspect for continuity between the following terminals APP sensor terminal F and body ground APP sensor terminal D and body ground APP sensor terminal G and body ground APP sensor terminal C and body ground APP sensor terminal E and body ground z Are there continuity Yes Repair or replace ...

Page 769: ...Replace the PCM then go to the next step see PCM REMOVAL INSTALLATION MZI 3 5 No Go to the next step 8 VERIFY AFTER REPAIR PROCEDURE z Perform the AFTER REPAIR PROCEDURE See AFTER REPAIR PROCEDURE MZI 3 5 z Are any DTC present Yes Go to the applicable DTC inspection See DTC TABLE MZI 3 5 No DTC troubleshooting completed DTC P2123 APP sensor No 1 circuit high input DETECTION CONDITION z APP sensor ...

Page 770: ...d PCM terminal 1Y z Short to power supply in wiring harness between APP sensor terminal G and PCM terminal 1AD z Short to power supply in wiring harness between APP sensor terminal C and PCM terminal 1AH z Short to power supply in wiring harness between APP sensor terminal E and PCM terminal 1AK z Connector or terminal malfunction z APP sensor malfunction 2007 Mazda CX 9 Grand Touring 2007 ENGINE ...

Page 771: ...EN RECORDED z Has FREEZE FRAME DATA Yes Go to the next step No Record FREEZE FRAME DATA on the repair order then go to the next step 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 38 AM Page 424 2005 Mitchell Repair Information Company LLC ...

Page 772: ...pect APP sensor No 1 see ACCELERATOR PEDAL POSITION APP SENSOR INSPECTION MZI 3 5 z Is there any malfunction Yes Replace the accelerator pedal then go to Step 8 see ACCELERATOR PEDAL REMOVAL INSTALLATION MZI 3 5 No Go to the next step 5 INSPECT PCM CONNECTOR FOR POOR CONNECTION z Turn the ignition switch off z Disconnect the PCM connector z Inspect for poor connection such as damaged pulled out pi...

Page 773: ...sensor terminal D and body ground APP sensor terminal G and body ground APP sensor terminal C and body ground APP sensor terminal E and body ground z Are there voltage B Yes Repair or replace suspected part then go to Step 8 No Go to the next step 8 VERIFY TROUBLESHOOTING OF DTC P2123 HAS BEEN COMPLETED z Verify that all disconnected connectors reconnected z Clear the DTC from the PCM memory using...

Page 774: ...Short to ground circuit between APP sensor terminal F and PCM terminal 1BA z Short to ground circuit between APP sensor terminal D and PCM terminal 1Y z Short to ground circuit between APP sensor terminal G and PCM terminal 1AD z Short to ground circuit between APP sensor terminal C and PCM terminal 1AH z Short to ground circuit between APP sensor terminal H and PCM terminal 1AG z Connector or ter...

Page 775: ...EN RECORDED z Has FREEZE FRAME DATA Yes Go to the next step No Record FREEZE FRAME DATA on the repair order then go to the next step 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 39 AM Page 428 2005 Mitchell Repair Information Company LLC ...

Page 776: ... No Go to the next step 4 INSPECT APP SENSOR NO 2 CIRCUIT FOR SHORT TO GROUND z Turn the ignition switch off z Inspect for continuity between the following terminals APP sensor terminal F and body ground APP sensor terminal D and body ground APP sensor terminal G and body ground APP sensor terminal C and body ground APP sensor terminal H and body ground z Are there continuity Yes Repair or replace...

Page 777: ... Replace the PCM then go to the next step see PCM REMOVAL INSTALLATION MZI 3 5 No Go to the next step 8 VERIFY AFTER REPAIR PROCEDURE z Perform the AFTER REPAIR PROCEDURE See AFTER REPAIR PROCEDURE MZI 3 5 z Are any DTC present Yes Go to the applicable DTC inspection See DTC TABLE MZI 3 5 No DTC troubleshooting completed DTC P2128 APP sensor No 2 circuit high input DETECTION CONDITION z APP sensor...

Page 778: ...d PCM terminal 1Y z Short to power supply in wiring harness between APP sensor terminal G and PCM terminal 1AD z Short to power supply in wiring harness between APP sensor terminal C and PCM terminal 1AH z Short to power supply in wiring harness between APP sensor terminal H and PCM terminal 1AG z Connector or terminal malfunction z APP sensor malfunction 2007 Mazda CX 9 Grand Touring 2007 ENGINE ...

Page 779: ...EN RECORDED z Has FREEZE FRAME DATA Yes Go to the next step No Record FREEZE FRAME DATA on the repair order then go to the next step 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 39 AM Page 432 2005 Mitchell Repair Information Company LLC ...

Page 780: ...pect APP sensor No 2 see ACCELERATOR PEDAL POSITION APP SENSOR INSPECTION MZI 3 5 z Is there any malfunction Yes Replace the accelerator pedal then go to Step 8 see ACCELERATOR PEDAL REMOVAL INSTALLATION MZI 3 5 No Go to the next step 5 INSPECT PCM CONNECTOR FOR POOR CONNECTION z Turn the ignition switch off z Disconnect the PCM connector z Inspect for poor connection such as damaged pulled out pi...

Page 781: ...sensor terminal D and body ground APP sensor terminal G and body ground APP sensor terminal C and body ground APP sensor terminal H and body ground z Are there voltage B Yes Repair or replace suspected part then go to Step 8 No Go to the next step 8 VERIFY TROUBLESHOOTING OF DTC P2128 HAS BEEN COMPLETED z Verify that all disconnected connectors reconnected z Clear the DTC from the PCM memory using...

Page 782: ...Short to ground circuit between APP sensor terminal F and PCM terminal 1BA z Short to ground circuit between APP sensor terminal D and PCM terminal 1Y z Short to ground circuit between APP sensor terminal G and PCM terminal 1AD z Short to ground circuit between APP sensor terminal C and PCM terminal 1AH z Short to ground circuit between APP sensor terminal B and PCM terminal 1AC z Connector or ter...

Page 783: ...EN RECORDED z Has FREEZE FRAME DATA Yes Go to the next step No Record FREEZE FRAME DATA on the repair order then go to the next step 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 39 AM Page 436 2005 Mitchell Repair Information Company LLC ...

Page 784: ... No Go to the next step 4 INSPECT APP SENSOR NO 3 CIRCUIT FOR SHORT TO GROUND z Turn the ignition switch off z Inspect for continuity between the following terminals APP sensor terminal F and body ground APP sensor terminal D and body ground APP sensor terminal G and body ground APP sensor terminal C and body ground APP sensor terminal B and body ground z Are there continuity Yes Repair or replace...

Page 785: ... Replace the PCM then go to the next step see PCM REMOVAL INSTALLATION MZI 3 5 No Go to the next step 8 VERIFY AFTER REPAIR PROCEDURE z Perform the AFTER REPAIR PROCEDURE See AFTER REPAIR PROCEDURE MZI 3 5 z Are any DTC present Yes Go to the applicable DTC inspection See DTC TABLE MZI 3 5 No DTC troubleshooting completed DTC P2133 APP sensor No 3 circuit high input DETECTION CONDITION z APP sensor...

Page 786: ...d PCM terminal 1Y z Short to power supply in wiring harness between APP sensor terminal G and PCM terminal 1AD z Short to power supply in wiring harness between APP sensor terminal C and PCM terminal 1AH z Short to power supply in wiring harness between APP sensor terminal B and PCM terminal 1AC z Connector or terminal malfunction z APP sensor malfunction 2007 Mazda CX 9 Grand Touring 2007 ENGINE ...

Page 787: ...EN RECORDED z Has FREEZE FRAME DATA Yes Go to the next step No Record FREEZE FRAME DATA on the repair order then go to the next step 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 39 AM Page 440 2005 Mitchell Repair Information Company LLC ...

Page 788: ...pect APP sensor No 3 see ACCELERATOR PEDAL POSITION APP SENSOR INSPECTION MZI 3 5 z Is there any malfunction Yes Replace the accelerator pedal then go to Step 8 see ACCELERATOR PEDAL REMOVAL INSTALLATION MZI 3 5 No Go to the next step 5 INSPECT PCM CONNECTOR FOR POOR CONNECTION z Turn the ignition switch off z Disconnect the PCM connector z Inspect for poor connection such as damaged pulled out pi...

Page 789: ...sensor terminal D and body ground APP sensor terminal G and body ground APP sensor terminal C and body ground APP sensor terminal B and body ground z Are there voltage B Yes Repair or replace suspected part then go to Step 8 No Go to the next step 8 VERIFY TROUBLESHOOTING OF DTC P2133 HAS BEEN COMPLETED z Verify that all disconnected connectors reconnected z Clear the DTC from the PCM memory using...

Page 790: ...N CONDITION z The PCM flagged a concern indicating that TP sensor No 1 and TP sensor No 2 disagree by more than a calibrated limit POSSIBLE CAUSE z Short to power supply between TP sensor No 1 terminal F and PCM terminal 2Z z Short to power supply between TP sensor No 2 terminal C and PCM terminal 2AD z TP sensor circuits are shorted each other z TP sensor malfunction 2007 Mazda CX 9 Grand Touring...

Page 791: ...I 3 5 DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE On Board Diagnostic MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 26 39 AM Page 444 2005 Mitchell Repair Information Company LLC ...

Page 792: ...body component side Throttle body terminal F and D 700 1 800 ohms Throttle body terminal F and E 1 300 2 800 ohms Throttle body terminal C and D 1 000 2 400 ohms Throttle body terminal C and E 500 1 500 ohms Throttle body terminal D and E 700 2 100 ohms z Are all the resistances within specifications Yes Go to the next step No Replace the throttle body then go to Step 6 see INTAKE AIR SYSTEM REMOV...

Page 793: ... connectors reconnected z Clear the DTC from the PCM memory using the M MDS z Start the engine z Is the same DTC present Yes Replace the PCM then go to the next step see PCM REMOVAL INSTALLATION MZI 3 5 No Go to the next step 7 VERIFY AFTER REPAIR PROCEDURE z Perform the AFTER REPAIR PROCEDURE See AFTER REPAIR PROCEDURE MZI 3 5 z Are any DTCs present Yes Go to the applicable DTC inspection See DTC...

Page 794: ...any related Service Bulletins available Yes Perform repair or diagnosis according to the available Service Bulletins z If the vehicle is not repaired go to the next step No Perform the PCM reprogramming procedure see PCM CONFIGURATION MZI 3 5 Then go to the next step 3 VERIFY RELATED PENDING CODE OR STORED DTCs z Turn the ignition switch off then to the ON position Engine off z Verify the related ...

Page 795: ...rify the following PIDs under the FREEZE FRAME DATA condition see PCM INSPECTION MZI 3 5 APP1 APP2 APP3 ECT MAF TP_REL z Are the PIDs normal Yes Go to the next step No Inspect the malfunctioning part according to the inspection results Then go to Step 13 7 INSPECT INTAKE AIR SYSTEM FOR EXCESSIVE AIR SUCTION z Visually inspect for looseness cracks or damage to the hoses in Yes Repair or replace the...

Page 796: ...en go to Step 13 No Go to the next step 10 INSPECT FUEL INJECTOR z Inspect the fuel injector for the right bank with DTC P2195 or the left bank with DTC P2197 see FUEL INJECTOR INSPECTION MZI 3 5 z Is there any malfunction Yes Replace the suspected fuel injector then go to Step 13 see FUEL INJECTOR REMOVAL INSTALLATION MZI 3 5 No Go to the next step 11 INSPECT FUEL LINE PRESSURE z Perform the FUEL...

Page 797: ...ing the M MDS z Is the PENDING CODE for this DTC present Yes Replace the PCM then go to the next step see PCM REMOVAL INSTALLATION MZI 3 5 No Go to the next step 14 VERIFY AFTER REPAIR PROCEDURE z Perform AFTER REPAIR PROCEDURE See AFTER REPAIR PROCEDURE MZI 3 5 z Are any DTC present Yes Go to the applicable DTC inspection See DTC TABLE MZI 3 5 No Troubleshooting completed DTC P2196 P2196 Front HO...

Page 798: ...rm repair or diagnosis according to the available Service Bulletins z If the vehicle is not repaired go to the next step No Perform the PCM reprogramming procedure Then go to the next step 3 VERIFY RELATED PENDING CODE OR STORED DTCs z Turn the ignition switch off then to the ON position Engine off z Verify the related PENDING CODE or stored DTCs using the M MDS Yes Go to the appropriate DTC troub...

Page 799: ...ZE FRAME DATA condition see PCM INSPECTION MZI 3 5 APP1 APP2 APP3 ECT MAF TP_REL VSS z Are the PIDs normal Yes Go to the next step No Inspect the malfunctioning part according to the inspection results Then go to Step 11 7 VERIFY CURRENT INPUT SIGNAL STATUS OF MAF SENSOR z Connect the M MDS to the DLC 2 z Start the engine Yes Go to the next step No Replace the MAF IAT sensor then go to Step 11 200...

Page 800: ...d fuel injector then go to Step 11 see FUEL INJECTOR REMOVAL INSTALLATION MZI 3 5 No Go to the next step 10 INSPECT FUEL LINE PRESSURE z Perform the FUEL LINE PRESSURE INSPECTION see FUEL LINE PRESSURE INSPECTION MZI 3 5 z Is there any malfunction Yes Replace the malfunctioning part Go to the next step No Go to the next step 11 VERIFY TROUBLESHOOTING OF DTC P2196 P2198 HAS BEEN COMPLETED z Verify ...

Page 801: ...0 Rear HO2S RH signal stuck lean DTC P2272 P2272 Rear HO2S LH signal stuck lean DETECTION CONDITION z The downstream HO2S is forced rich and monitored by the PCM The lest fails if the PCM does not detect the output of the HO2S in a calibrated amount of time POSSIBLE CAUSE z Rear HO2S malfunction z Leakage exhaust gas STEP INSPECTION ACTION 1 VERIFY FREEZE FRAME DATA HAS BEEN RECORDED z Has FREEZE ...

Page 802: ...MZI 3 5 5 INSPECT FOR EXHAUST GAS LEAKAGE Visually inspect for exhaust gas leakage between the TWC and the rear HO2S z Is there any malfunction Yes Repair or replace the malfunctioning parts Then go to the next step No Go to the next step 6 INSPECT REAR HO2S z For DTC P02270 Inspect the rear HO2S RH z For DTC P02272 Inspect the rear HO2S LH see REAR HEATED OXYGEN SENSOR HO2S INSPECTION MZI 3 5 z I...

Page 803: ... inspection See DTC TABLE MZI 3 5 No Troubleshooting completed DTC P2271 P2271 Rear HO2S RH signal stuck rich DTC P2273 P2273 Rear HO2S LH signal stuck rich DETECTION CONDITION z The downstream HO2S is forced rich and monitored by the PCM The test fails if the PCM does not detect the output of the HO2S in a calibrated amount of time POSSIBLE CAUSE z Rear HO2S malfunction STEP INSPECTION ACTION 1 V...

Page 804: ...g for the DTC on the FREEZE FRAME DATA See DTC TABLE MZI 3 5 5 INSPECT REAR HO2S z For DTC P2271 Inspect the rear HO2S RH z For DTC P2273 Inspect the rear HO2S LH see REAR HEATED OXYGEN SENSOR HO2S INSPECTION MZI 3 5 z Is there any malfunction Yes Inspect the related wiring harnesses If there is no malfunction replace the HO2S see REAR HEATED OXYGEN SENSOR HO2S REMOVAL INSTALLATION MZI 3 5 No Go t...

Page 805: ...ets when a concern is detected internal to the PCM The microprocessor that controls the engine off natural vacuum EONV leak check monitor is separate from the main processor within the PCM POSSIBLE CAUSE z Module communications network concerns z PCM calibration level z PCM malfunction STEP INSPECTION ACTION 1 VERIFY FREEZE FRAME DATA HAS BEEN RECORDED z Has FREEZE FRAME DATA been recorded Yes Go ...

Page 806: ... completely z Allow the engine idle to stabilize z Access FTP PID z Is the pressure equal to 0 kPa 0 kgf cm2 2 0 psi Yes Go to Step 6 No Go to the next step 5 INSPECT FOR SELF TEST DTC P260F z Idle the engine 2 min z Perform the KOEO KOER self test z Is DTC P260F present Yes Go to the next step No Troubleshooting completed 6 INSPECT PCM FOR THE LATEST CALIBRATION z Program the PCM to the latest ca...

Page 807: ...r the DTC from the PCM memory using the M MDS z Perform the KOEO or KOER self test using the M MDS See KOEO KOER SELF TEST MZI 3 5 z Is the PENDING CODE for the DTC present Yes Replace the PCM then go to the next step see PCM REMOVAL INSTALLATION MZI 3 5 No Go to the next step 9 VERIFY AFTER REPAIR PROCEDURE z Perform AFTER REPAIR PROCEDURE See AFTER REPAIR PROCEDURE MZI 3 5 z Are any DTCs present...

Page 808: ... they can cause severe burns or serious injury z When the battery cables are connected touching the vehicle body with starter terminal B will generate sparks This can cause personal injury fire and damage to the electrical components Always disconnect the negative battery cable before performing the following operation 2007 Mazda CX 9 Grand Touring 2007 ENGINE Starting System MZI 3 5 CX 9 2007 Maz...

Page 809: ...axle range switch NO LOAD TEST 1 Verify that the battery is fully charged 2 Connect the starter battery and a tester as shown in the figure 3 Operate the starter and verify that it rotates smoothly z If the starter does not rotate smoothly inspect the starter unit 4 Measure the voltage and current while the starter is operating z If not within the specification replace the starter Starter no load ...

Page 810: ...positive voltage to terminal M and ground the starter body 3 Pull out the drive pinion with a screwdriver Verify that it returns to its original position when released z If it does not return repair or replace the starter NOTE z Depending on the battery charge condition the starter motor pinion may rotate while in an extended state This is due to current flowing to the starter motor through the pu...

Page 811: ...rter Body 2 Measure the pinion gap while the drive pinion is extended z If not as specified adjust with an adjustment washer between drive housing front cover and magnetic switch Starter pinion gap 0 mm 0 in CAUTION z Applying power for more than 10 s can damage the starter Do not apply power for more than 10 s 2007 Mazda CX 9 Grand Touring 2007 ENGINE Starting System MZI 3 5 CX 9 Microsoft Sunday...

Page 812: ...ntinuity Between Commutator And Core At Each Segment Using Tester 2 Verify that there is no continuity between the commutator and the shaft using a tester z If there is continuity replace the armature Fig 9 Checking Continuity Between Commutator And Shaft Using Tester 2007 Mazda CX 9 Grand Touring 2007 ENGINE Starting System MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 28 57 AM Page 5 2005 Mit...

Page 813: ...mmutator diameter Standard 29 4 mm 1 16 in Minimum 28 8 mm 1 13 in Fig 11 Measuring Commutator Diameter 5 Measure the segment groove depth of the commutator z If not within the minimum specification undercut the grooves to the standard depth Segment groove depth of starter commutator Standard 0 5 mm 0 02 in 2007 Mazda CX 9 Grand Touring 2007 ENGINE Starting System MZI 3 5 CX 9 Microsoft Sunday Nov...

Page 814: ...ty replace the magnetic switch Fig 13 Inspecting Continuity Between Terminals S And M Using Tester 2 Inspect for continuity between terminal S and the body using a tester z If there is no continuity replace the magnetic switch 2007 Mazda CX 9 Grand Touring 2007 ENGINE Starting System MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 28 58 AM Page 7 2005 Mitchell Repair Information Company LLC ...

Page 815: ...een each insulated brush and plate using a tester z If there is continuity replace the brush holder Fig 16 Checking Continuity Between Insulated Brush And Plate Using Tester 2 Measure the brush length z If any brush is worn almost to or beyond the minimum specification replace all of the brushes Starter brush length Standard 12 3 mm 0 48 in Minimum 5 5 mm 0 22 in 2007 Mazda CX 9 Grand Touring 2007...

Page 816: ...20 4 N 1 53 2 08 kgf 3 38 4 58 lbf Minimum 2 75 N 0 28 kgf 0 62 lbf Fig 18 Measuring Brush Spring Force Using Spring Balance STARTER DISASSEMBLY ASSEMBLY MZI 3 5 1 Disassemble in the order indicated in the table 2 Assemble in the reverse order of disassembly 2007 Mazda CX 9 Grand Touring 2007 ENGINE Starting System MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 28 58 AM Page 9 2005 Mitchell Repa...

Page 817: ...ew Of Starter Components With Torque Specifications 2007 Mazda CX 9 Grand Touring 2007 ENGINE Starting System MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 28 58 AM Page 10 2005 Mitchell Repair Information Company LLC ...

Page 818: ...m Courtesy of MAZDA MOTORS CORP ENGINE SYMPTOM TROUBLESHOOTING MZI 3 5 z Confirm trouble symptom using the following diagnostic index then go to appropriate troubleshooting chart DIAGNOSTIC INDEX DIAGNOSTIC INDEX No TROUBLESHOOTING ITEM DESCRIPTION ACTION 1 Melting of main or other fuses See NO 1 MELTING OF MAIN OR OTHER FUSES MZI 3 5 The MIL is See NO 2 MIL 2007 Mazda CX 9 Grand Touring 2007 ENGI...

Page 819: ...eturn to idle speed See NO 7 SLOW RETURN TO IDLE MZI 3 5 8 Engine runs rough rolling idle The engine speed fluctuates between the specified idle speed and lower speed and the engine shakes excessively See NO 8 ENGINE RUNS ROUGH ROLLING IDLE MZI 3 5 9 Fast idle runs on The engine speed continues at fast idle after warm up The engine runs after the ignition switch is turned off See NO 9 FAST IDLE RU...

Page 820: ... air fuel mixture is ignited by something other than the spark plug such as hot spot in combustion chamber See NO 13 KNOCKING PINGING ACCELERATION CRUISE MZI 3 5 14 Poor fuel economy The fuel economy is unsatisfactory See NO 14 POOR FUEL ECONOMY MZI 3 5 15 Emission compliance Fails emissions test see NO 15 EMISSION COMPLIANCE MZI 3 5 16 High oil consumption leakage The oil consumption is excessive...

Page 821: ... throttle conditions The A C compressor magnetic clutch does not disengage under wide open throttle See NO 25 A C DOES NOT CUT OFF UNDER WIDE OPEN THROTTLE CONDITIONS MZI 3 5 26 Exhaust sulphur smell Rotten egg smell sulphur from exhaust See NO 26 EXHAUST SULPHUR SMELL MZI 3 5 27 Fuel refill concerns The fuel tank does not fill smoothly See NO 27 FUEL REFILL CONCERNS MZI 3 5 28 Fuel filling shut o...

Page 822: ...rt MZI 3 5 Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 27 36 AM Page 5 2005 Mitchell Repair Information Company LLC ...

Page 823: ...rt MZI 3 5 Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 27 36 AM Page 6 2005 Mitchell Repair Information Company LLC ...

Page 824: ...rt MZI 3 5 Courtesy of MAZDA MOTORS CORP 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 27 36 AM Page 7 2005 Mitchell Repair Information Company LLC ...

Page 825: ...F MAIN OR OTHER FUSES MZI 3 5 DESCRIPTION AND POSSIBLE CAUSES 1 MELTING OF MAIN OR OTHER FUSES 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting MZI 3 5 CX 9 Microsoft Sunday November 15 2009 9 27 36 AM Page 8 2005 Mitchell Repair Information Company LLC ...

Page 826: ...No 1 Dual fan control module Fan control module No 1 Dual fan control module z FAN2 fuse Cooling fan relay Single fan control module Fan control module Single fan control module Cooling fan relay No 2 Dual fan control module Fan control module No 2 Dual fan control module IGKEY1 IGKEY1 fuse z Ignition switch z ENG IGA fuse 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooti...

Page 827: ... 3 Fuel injector No 4 Fuel injector No 5 Fuel injector No 6 Damaged fuse Related wiring harness FAN 1 FAN 1 fuse z Fan relay Fan control module Single fan control module z Cooling fan relay No 1 Dual fan control module Fan control module No 1 Dual fan control module FAN 2 FAN 2 fuse z Fan relay Fan control module Single fan control module z Cooling fan relay No 2 Dual fan control module 2007 Mazda...

Page 828: ... solenoid valve z Brake switch No 2 ENG BAR2 ENG BAR2 fuse z A C relay z PCV valve heater fitting z PCV valve heater control ENG INJ ENG INJ fuse z PCM INJ INJ fuse z PCM z Fuel injector No 1 z Fuel injector No 2 z Fuel injector No 3 z Fuel injector No 4 z Fuel injector No 5 z Fuel injector No 6 IG COIL IG COIL fuse 2007 Mazda CX 9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting MZI ...

Page 829: ...ld possibly exist STEP INSPECTION RESULTS ACTION 1 Connect the M MDS to the DLC 2 Turn the ignition switch to the ON position Engine off Retrieve any DTCs Are there any DTCs displayed Yes DTC is displayed z Go to appropriate the DTC inspection see DTC TABLE MZI 3 5 No No DTC is displayed z Inspect instrument cluster operation see INSTRUMENT CLUSTER INSPECTION 2 z Verify test results If normal retu...

Page 830: ...circuit malfunction z Immobilizer system operating properly Ignition key is not registered z Advanced keyless entry system malfunction STEP INSPECTION RESULTS ACTION 1 Start the engine using the mechanical ignition key Does the engine start NOTE z The following test should be performed on the advanced keyless entry system If not equipped go to the next step Yes Inspect advanced keyless entry syste...

Page 831: ... DTC PCM B1342 U0073 U0155 Instrument cluster B1213 B1600 B1601 B1602 B1681 B2103 B2139 B2431 U0100 U0214 Keyless control module with advanced keyless entry system B1681 B2103 B1213 Yes Go to appropriate DTC inspection see DTC TABLE MZI 3 5 No Go to the next step 6 Inspect for the following wiring harnesses and connectors With advanced keyless entry system z Between coil terminal A and keyless con...

Page 832: ...ep 8 Inspect for the following wiring harnesses and connectors z Between PCM terminal 1BG and instrument cluster terminal 1W z Between PCM terminal 1BL and instrument cluster terminal 1X Is there any malfunction Yes Repair or replace suspected wiring harness and connector No Go to the next step 9 Inspect the following z Battery connection z Battery condition See BATTERY INSPECTION MZI 3 5 z Fuses ...

Page 833: ...ON Are they normal Yes Go to the next step No Repair or replace components as required Then go to step 11 14 Inspect the following harnesses Between starter relay and Battery Between starter relay and Starter Are they normal Yes Go to the next step No Repair or replace as required Then go to next step 15 Inspect the starting system See STARTER INSPECTION MZI 3 5 Is starting system normal Yes Go to...

Page 834: ...DTC is displayed Go to the next step 19 z Verify test results If normal return to diagnostic index to service any additional symptoms See ENGINE SYMPTOM TROUBLESHOOTING MZI 3 5 If malfunction remains inspect related Service Bulletins and or On line Repair Information and perform repair or diagnosis z If vehicle is repaired troubleshooting completed z If vehicle is not repaired or additional diagno...

Page 835: ...gs before servicing the fuel system z Fuel vapor is hazardous It can easily ignite causing serious injury and damage Always keep sparks and flames away from fuel z Fuel line spills and leakage are dangerous Fuel can ignite and cause serious injuries or death and damage Fuel can also irritate skin and eyes To prevent this always complete BEFORE REPAIR PROCEDURE and AFTER REPAIR PROCEDURE described ...

Page 836: ...7 Cooling system concerns Overheating See NO 17 COOLING SYSTEM CONCERNS OVERHEATING MZI 3 5 No Go to the next step 4 Inspect the ignition coil related wiring harness condition intermittent open or short circuit for all cylinders Are wiring harness conditions normal Yes Go to the next step No Repair the wiring harnesses 5 Inspect the spark plug conditions Is spark plug wet covered with carbon or gr...

Page 837: ...n replace the fuel pump unit see FUEL PUMP UNIT REMOVAL INSTALLATION MZI 3 5 High Replace the fuel pump unit see FUEL PUMP UNIT REMOVAL INSTALLATION MZI 3 5 10 Is the fuel line pressure held after ignition switch is turned off see FUEL LINE PRESSURE INSPECTION MZI 3 5 Yes Go to the next step No Inspect the fuel injector see FUEL INJECTOR INSPECTION MZI 3 5 If the fuel injector is normal replace th...

Page 838: ... z If vehicle is repaired troubleshooting completed z If vehicle is not repaired or additional diagnostic information is not available Replace the PCM see PCM REMOVAL INSTALLATION MZI 3 5 5 ENGINE STALLS AFTER START AT IDLE DESCRIPTION z Engine stops unexpectedly z A C system operation is improper z Air leakage from intake air system parts z Purge solenoid valve malfunction z Improper operation of...

Page 839: ...wing warnings before servicing the fuel system z Fuel vapor is hazardous It can easily ignite causing serious injury and damage Always keep sparks and flames away from fuel z Fuel line spills and leakage are dangerous Fuel can ignite and cause serious injuries or death and damage Fuel can also irritate skin and eyes To prevent this always complete BEFORE REPAIR PROCEDURE and AFTER REPAIR PROCEDURE...

Page 840: ...ng harness and connectors from keyless control module terminal 3X and instrument cluster terminal 1X z Instrument cluster see INSTRUMENT CLUSTER INSPECTION 5 Connect the M MDS to the DLC 2 and retrieve DTC for PCM instrument cluster and keyless control module with advanced keyless entry system Are any of the following DTCs displayed DTC PCM B1342 U0073 U0155 Instrument cluster B1213 B1600 B1601 B1...

Page 841: ...ol module terminal 3W and instrument cluster terminal 1W z Between keyless control module terminal 3X and instrument cluster terminal 1X Is there any malfunction Yes Repair or replace wiring harness and connectors No Go to the next step 8 Inspect for the following wiring harnesses and connectors z Between PCM terminal 1BG and instrument cluster terminal 1W z Between PCM terminal 1BL and instrument...

Page 842: ...elerator pedal is in the released position Yes Go to the next step No Inspect for the following z APP sensor z Wiring harnesses and connectors for following PCM terminal 1AC APP sensor terminal B PCM terminal 1AH APP sensor terminal C PCM terminal 1Y APP sensor terminal D PCM terminal 1AK APP sensor terminal E PCM terminal 1BA APP sensor terminal F PCM terminal 1AD APP sensor terminal G PCM termin...

Page 843: ... Open circuit in wiring harness between main relay and PCM terminal 1BO or 1BJ z Open main relay GND circuit z Main relay is stuck open z Open or short circuit in wiring harness between the DLC 2 and PCM terminals 1BL or 1BG z Open or poor GND circuit PCM terminal 1D 1J 1BP 1BK z Poor connection of vehicle body GND No No DTC is displayed Go to the next step 13 Attempt to start engine at part throt...

Page 844: ...ION INSPECTION MZI 3 5 Is strong blue spark visible at each cylinder Yes Go to the next step If symptoms occurs with the A C on go to Step 24 No Repair or replace the malfunctioning part according to spark test result 18 Inspect the spark plug condition Is spark plug wet covered with carbon or grayish white Yes Spark plug is wet or covered with carbon Inspect for fuel leakage from injector Spark p...

Page 845: ... A C on If other symptoms exist go to the next step Yes Go to the next step No If A C is always on go to symptom troubleshooting No 24 A C is always on or A C compressor runs continuously See NO 24 A C IS ALWAYS ON OR A C COMPRESSOR RUNS CONTINUOUSLY MZI 3 5 For other symptoms inspect the following z Refrigerant charging amount z Condenser fan operation 24 Disconnect the vacuum hose between the pu...

Page 846: ...IPTION z The starter cranks engine at normal speed but the engine will not run z Refer to symptom troubleshooting NO 5 ENGINE STALLS if this symptom appears after engine stall z Fuel is in tank Battery is in normal condition z No battery power supply to PCM z Air leakage from intake air system z Open PCM GND or vehicle body GND z Improper operation of electronic throttle control system z No signal...

Page 847: ...edures Read the following warnings before servicing the fuel system z Fuel vapor is hazardous It can easily ignite causing serious injury and damage Always keep sparks and flames away from fuel z Fuel line spills and leakage are dangerous Fuel can ignite and cause serious injuries or death and damage Fuel can also irritate skin and eyes To prevent this always complete BEFORE REPAIR PROCEDURE and A...

Page 848: ...and connectors from keyless control module terminal 3W and instrument cluster terminal 1W z Wiring harness and connectors from keyless control module terminal 3X and instrument cluster terminal 1X z Instrument cluster see INSTRUMENT CLUSTER INSPECTION 5 Connect the M MDS to the DLC 2 and retrieve the DTC for PCM instrument cluster and keyless control module with advanced keyless entry system Are a...

Page 849: ... Inspect the following wiring harnesses and connectors for an open or short circuit z Between keyless control module terminal 3W and instrument cluster terminal 1W z Between keyless control module terminal 3X and instrument cluster terminal 1X Is there any malfunction Yes Repair or replace wiring harness and connectors No Go to the next step 8 Inspect the following wiring harnesses and connectors ...

Page 850: ...o to the next step No Service if necessary Repeat Step 9 10 Connect the M MDS to the DLC 2 Turn the ignition switch to the ON position Engine off Retrieve any DTCs Are there any DTCs displayed Yes DTC is displayed z Go to the appropriate DTC inspection see DTC TABLE MZI 3 5 Communication error message is displayed Inspect for the following z Open circuit in wiring harness between main relay and PC...

Page 851: ...inal 1Y APP sensor terminal D PCM terminal 1AK APP sensor terminal E PCM terminal 1BA APP sensor terminal F PCM terminal 1AD APP sensor terminal G PCM terminal 1AG APP sensor terminal H 12 Connect the M MDS to the DLC 2 Access the TP1 TP2 PID Crank the engine with accelerator pedal released Are the TP1 TP2 PID indicates the closed throttle position Yes Go to the next step No Inspect for the follow...

Page 852: ...ircuit in CKP sensor wiring harnesses If CKP sensor and wiring harness are normal go to the next step 16 Visually inspect the CKP sensor and teeth of crankshaft pulley Are CKP sensor and teeth of crankshaft pulley normal Yes Go to the next step No Replace the malfunctioning part 17 Inspect the ignition coil related wiring harness condition intermittent open or short circuit for all cylinders Are w...

Page 853: ...FUEL PUMP UNIT REMOVAL INSTALLATION MZI 3 5 High Replace the fuel pump unit see FUEL PUMP UNIT REMOVAL INSTALLATION MZI 3 5 23 Visually inspect the fuel injector O ring and fuel line for fuel leakage Service if necessary Is the fuel line pressure held after the ignition switch is turned off see FUEL LINE PRESSURE INSPECTION MZI 3 5 Yes Go to the next step No Inspect the fuel injector If the fuel i...

Page 854: ...osis z If vehicle is repaired troubleshooting completed z If vehicle is not repaired or additional diagnostic information is not available replace the PCM see PCM REMOVAL INSTALLATION MZI 3 5 7 SLOW RETURN TO IDLE DESCRIPTION Engine takes more time than normal to return to idle speed POSSIBLE CAUSE z CHT sensor malfunction z Thermostat is stuck open z Throttle body malfunction z Air leakage from i...

Page 855: ...ean or replace throttle body 4 z Verify test results If normal return to diagnostic index to service any additional symptoms See ENGINE SYMPTOM TROUBLESHOOTING MZI 3 5 If malfunction remains inspect related Service Bulletins and or On line Repair Information and perform repair or diagnosis z If vehicle is repaired troubleshooting completed z If vehicle is not repaired or additional diagnostic info...

Page 856: ...ing z Improper fuel injection control operation z Fuel leakage from fuel injector z Fuel injector clogging z Engine overheating z Vacuum leakage Pressure regulator malfunction built in fuel pump unit WARNING The following troubleshooting flow chart contains fuel system diagnosis and repair procedures Read following warnings before servicing the fuel system z Fuel vapor is hazardous It can easily i...

Page 857: ... step 2 Verify the following z External fuel shut off or accessory such as kill switch alarm z Fuel quality such as proper octane contamination winter summer blend z No air leakage from intake air system z Proper sealing of intake manifold and components attached to intake manifold z Ignition wiring z Electrical connections z Fuses z Smooth operation of throttle valve z PCM GND circuit 1D 1J 1BP 1...

Page 858: ... C is always on or A C compressor runs continuously See NO 24 A C IS ALWAYS ON OR A C COMPRESSOR RUNS CONTINUOUSLY MZI 3 5 For other symptoms inspect the following z Refrigerant charging amount z Condenser fan operation 7 Connect the M MDS to the DLC 2 Start the engine and idle it Access PSP PID Is PSP PID within specification NOTE z The following test is for engine running rough with P S on If ot...

Page 859: ...ct the fuel line for clogging If there is no malfunction replace fuel pump unit see FUEL PUMP UNIT REMOVAL INSTALLATION MZI 3 5 High Replace the fuel pump unit see FUEL PUMP UNIT REMOVAL INSTALLATION MZI 3 5 13 Visually inspect for fuel leakage at fuel injector O ring and fuel line Service if necessary Does fuel line pressure hold after ignition switch is turned off see FUEL LINE PRESSURE INSPECTI...

Page 860: ...ace the malfunctioning part 19 Inspect variable valve timing control system operation See ENGINE CONTROL SYSTEM OPERATION INSPECTION MZI 3 5 Does variable valve timing control system function properly Yes Go to the next step No Repair or replace the malfunctioning part 20 Is engine compression correct Yes Inspect the valve timing No Inspect for causes 21 z Verify test results If normal return to d...

Page 861: ...er than 112 C 234 F Go to symptom troubleshooting No 17 Cooling system concerns Overheating ECT PID is less than 82 C 180 F Go to symptom troubleshooting No 18 Cooling system concerns Runs cold 2 Connect the M MDS to the DLC 2 Turn the ignition switch to the ON position Engine off Retrieve any DTCs Are there any DTCs displayed Yes DTC is displayed Go to the appropriate DTC inspection see DTC TABLE...

Page 862: ...oms See ENGINE SYMPTOM TROUBLESHOOTING MZI 3 5 If malfunction remains inspect related Service Bulletins and or On line Repair Information and perform repair or diagnosis z If vehicle is repaired troubleshooting completed z If vehicle is not repaired or additional diagnostic information is not available replace the PCM see PCM REMOVAL INSTALLATION MZI 3 5 10 LOW IDLE STALLS DURING DECELERATION DESC...

Page 863: ...S ALWAYS ON OR A C COMPRESSOR RUNS CONTINUOUSLY MZI 3 5 No Go to the next step 3 Verify the following z Proper routing of and no damage to vacuum lines z No air leakage from intake air system Are all items normal Yes Go to the next step No Service if necessary Repeat Step 3 4 Connect the M MDS to the DLC 2 Turn the ignition switch to the ON position Engine off Retrieve any DTCs Are there any DTCs ...

Page 864: ...Ds values normal see PCM INSPECTION MZI 3 5 Yes Go to the next step No If the BOO PID is not normal z Inspect brake switch and related wiring harness for vibration or intermittent open short circuit If the TR PID is not normal z Inspect TR switch and related wiring harness for vibration or intermittent open short circuit 9 z Verify test results If normal return to diagnostic index to service any a...

Page 865: ...celeration or during acceleration z Momentary minor irregularity in engine output z Improper A C system operation z Erratic signal or no signal from CMP sensor z Air leakage from intake air system parts z Purge solenoid valve malfunction z Improper operation of electronic throttle control system z Erratic signal from CKP sensor z Low engine compression z Vacuum leakage z Poor fuel quality z Main r...

Page 866: ...lowing warnings before servicing the fuel system z Fuel vapor is hazardous It can easily ignite causing serious injury and damage Always keep sparks and flames away from fuel z Fuel line spills and leakage are dangerous Fuel can ignite and cause serious injuries or death and damage Fuel can also irritate skin and eyes To prevent this always complete BEFORE REPAIR PROCEDURE and AFTER REPAIR PROCEDU...

Page 867: ... 3 5 No No DTC is displayed Go to the next step 3 Is engine overheating Yes Go to symptom troubleshooting No 17 Cooling system concerns Overheating No Go to the next step 4 Connect the M MDS to the DLC 2 Access APP1 APP2 APP3 RPM VPWR MAF TP1 TP2 and VSS PIDs Drive the vehicle with monitoring PIDs Are PIDs within specifications see PCM INSPECTION MZI 3 5 Yes Go to the next step No APP1 APP2 APP3 P...

Page 868: ...tle control system function properly Yes Go to the next step No Repair or replace the malfunctioning part according to electronic throttle system operation inspection results 9 Visually inspect deformed exhaust system part Is there any deformed exhaust system part Yes Replace the suspected part No Go to the next step 10 Install fuel pressure gauge between the fuel pipe and fuel distributor Short c...

Page 869: ...n 13 Inspect cruise control system Is cruise control system normal NOTE z The following test should be performed for symptom with cruise control ON If other symptoms exist go to the next step Yes Go to the next step No Repair or replace the malfunctioning part 14 Inspect the front HO2S see FRONT HEATED OXYGEN SENSOR HO2S INSPECTION MZI 3 5 Is the front HO2S normal Yes Go to the next step No Replac...

Page 870: ... line Repair Information and perform repair or diagnosis z If vehicle is repaired troubleshooting completed z If vehicle is not repaired or additional diagnostic information is not available replace the PCM see PCM REMOVAL INSTALLATION MZI 3 5 12 LACK LOSS OF POWER ACCELERATION CRUISE DESCRIPTION Performance is poor under load such as power down when climbing hills z Improper A C system operation ...

Page 871: ...ing troubleshooting flow chart contains the fuel system diagnosis and repair procedures Read the following warnings before servicing the fuel system z Fuel vapor is hazardous It can easily ignite causing serious injury and damage Always keep sparks and flames away from fuel z Fuel line spills and leakage are dangerous Fuel can ignite and cause serious injuries or death and damage Fuel can also irr...

Page 872: ...played Yes DTC is displayed Go to the appropriate DTC inspection see DTC TABLE MZI 3 5 No No DTC is displayed Go to the next step 3 Is the engine overheating Yes Go to symptom troubleshooting No 17 Cooling system concerns Overheating No Go to the next step 4 Connect the M MDS to the DLC 2 Access APP1 APP2 APP3 RPM MAF TP1 TP2 IAT and VSS PIDs Drive vehicle while monitoring PIDs Are PIDs within spe...

Page 873: ...ttle Yes Go to the next step No Replace PCV valve 8 Perform electronic throttle control system operation inspection See ENGINE CONTROL SYSTEM OPERATION INSPECTION MZI 3 5 Does electronic throttle control system function properly Yes Go to the next step No Repair or replace the malfunctioning part according to electronic throttle control system operation inspection results 9 visually inspect deform...

Page 874: ...Yes Go to the next step No Inspect A C cut off system components 13 Disconnect the vacuum hose between the purge solenoid valve and the intake manifold from purge solenoid valve side Plug opening end of vacuum hose Drive the vehicle Does the engine condition improve Yes Inspect if purge solenoid valve is stuck open mechanically Inspect the evaporative emission control system See ENGINE CONTROL SYS...

Page 875: ...ION Sound is heard when air fuel mixture is ignited by something other than spark plug such as hot spot in combustion chamber POSSIBLE CAUSE z Engine overheating due to cooling system malfunction z CHT sensor malfunction z IAT sensor malfunction z MAF sensor malfunction z Knock sensor malfunction z Erratic signal from CMP sensor z Inadequate engine compression z Inadequate fuel pressure WARNING Th...

Page 876: ...ch PID see PCM INSPECTION MZI 3 5 Are PIDs normal Yes Go to the next step No IAT PID Inspect IAT sensor MAF PID Inspect MAF sensor 3 Connect the M MDS to the DLC 2 Turn the ignition switch to the ON position engine off Are there any DTCs displayed Yes DTC is displayed Go to the appropriate DTC inspection see DTC TABLE MZI 3 5 No No DTC is displayed Go to the next step 4 Is engine compression corre...

Page 877: ...repaired or additional diagnostic information is not available replace the PCM see PCM REMOVAL INSTALLATION MZI 3 5 14 POOR FUEL ECONOMY DESCRIPTION Fuel economy is unsatisfactory z Contaminated air cleaner element z Engine cooling system malfunction z Improper ATF level z Weak spark z Poor fuel quality z Erratic or no signal from CMP sensor z Improper variable valve timing control system operatio...

Page 878: ...R REPAIR PROCEDURE MZI 3 5 CAUTION z Disconnecting connecting quick release connector without cleaning it may cause damage to fuel pipe and quick release connector Always clean quick release connector joint area before disconnecting connecting and make sure that it is free of foreign material STEP INSPECTION RESULTS ACTION 1 Inspect for the following z Air cleaner element for contamination z ATF l...

Page 879: ...ng If there is no malfunction replace the fuel pump unit see FUEL PUMP UNIT REMOVAL INSTALLATION MZI 3 5 High Replace the fuel pump unit see FUEL PUMP UNIT REMOVAL INSTALLATION MZI 3 5 6 Inspect for variable valve timing control system operation See ENGINE CONTROL SYSTEM OPERATION INSPECTION MZI 3 5 Does the variable valve timing control system function properly Yes Go to the next step No Repair o...

Page 880: ...es leakage or blockage z Cooling system malfunction z Spark plug malfunction z Leakage from intake manifold z Erratic or no signal from CMP sensor z Inadequate fuel pressure z PCV valve malfunction or incorrect valve installation z Exhaust system clogging z Fuel tank ventilation system malfunction z Fuel filler cap malfunction z Charcoal canister damage z Air cleaner element clogging or restrictio...

Page 881: ... 5 see AFTER REPAIR PROCEDURE MZI 3 5 CAUTION z Disconnecting connecting quick release connector without cleaning it may cause damage to fuel pipe and quick release connector Always clean quick release connector joint area before disconnecting connecting and make sure that it is free of foreign material STEP INSPECTION RESULTS ACTION 1 Inspect for the following z Vacuum lines for leakage or blocka...

Page 882: ... the front HO2S see FRONT HEATED OXYGEN SENSOR HO2S REMOVAL INSTALLATION MZI 3 5 7 Perform spark test See ENGINE CONTROL SYSTEM OPERATION INSPECTION MZI 3 5 Is strong blue spark visible at each cylinder Yes Go to the next step No Repair or replace the malfunctioning part according to spark test result 8 Install the fuel pressure gauge between the fuel pipe and the fuel distributor Start the engine...

Page 883: ...normal return to diagnostic index to service any additional symptoms See ENGINE SYMPTOM TROUBLESHOOTING MZI 3 5 If malfunction remains inspect related Service Bulletins and or On line Repair Information and perform repair or diagnosis z If vehicle is repaired troubleshooting completed z If vehicle is not repaired or additional diagnostic information is not available replace the PCM see PCM REMOVAL...

Page 884: ...diagnosis z If vehicle is repaired troubleshooting completed z If vehicle is not repaired or additional diagnostic information is not available replace the PCM see PCM REMOVAL INSTALLATION MZI 3 5 17 COOLING SYSTEM CONCERNS OVERHEATING DESCRIPTION Engine runs at higher than normal temperature overheats POSSIBLE CAUSE z Improper coolant level z Blown fuses z Coolant leakage z Excessive A C system p...

Page 885: ... DTCs Are there any DTCs displayed Yes DTC is displayed Go to the appropriate DTC inspection see DTC TABLE MZI 3 5 No No DTC is displayed Go to the next step 3 Start the engine and idle it Turn the A C switch on and set blower fan to any speed Does the A C compressor engage Yes Go to Step 5 No Inspect for the following and repair or replace if necessary z Refrigerant charging amount z Open circuit...

Page 886: ...e leakage around the heater unit in passenger compartment Yes Inspect and service heater for leakage No Go to the next step 8 Is there leakage at the coolant hoses and or radiator Yes Replace the malfunctioning part No Go to the next step 9 Cool down the engine Remove thermostat and inspect operation see THERMOSTAT REMOVAL INSTALLATION MZI 3 5 see THERMOSTAT INSPECTION MZI 3 5 Is thermostat normal...

Page 887: ...cessive time to reach normal operating temperature POSSIBLE CAUSE z Thermostat malfunction z Cooling fan system malfunction STEP INSPECTION RESULTS ACTION 1 Is customer complaint Lack of passenger compartment heat only Yes Inspect A C and heater system No Go to the next step 2 Does the engine speed continue at fast idle Yes Go to symptom troubleshooting No 9 Fast idle runs on See NO 9 FAST IDLE RU...

Page 888: ...agnostic index to service any additional symptoms See ENGINE SYMPTOM TROUBLESHOOTING MZI 3 5 If malfunction remains inspect related Service Bulletins and or On line Repair Information and perform repair or diagnosis z If vehicle is repaired troubleshooting completed z If vehicle is not repaired or additional diagnostic information is not available replace PCM see PCM REMOVAL INSTALLATION MZI 3 5 1...

Page 889: ...n also irritate skin and eyes To prevent this always complete BEFORE REPAIR PROCEDURE and AFTER REPAIR PROCEDURE described in this manual see BEFORE REPAIR PROCEDURE MZI 3 5 see AFTER REPAIR PROCEDURE MZI 3 5 CAUTION z Disconnecting connecting quick release connector without cleaning it may cause damage to fuel pipe and quick release connector Always clean quick release connector joint area before...

Page 890: ...Inspect for the following z Air cleaner restriction z Collapsed or restricted intake air system z Restricted fuel return line Are all items normal Yes Go to the next step No Service if necessary Repeat Step 4 5 Connect the M MDS to the DLC 2 Turn the ignition switch to the ON position Engine off Retrieve any DTCs Are there any DTCs displayed Yes DTC is displayed Go to the appropriate DTC inspectio...

Page 891: ...E SYMPTOM TROUBLESHOOTING MZI 3 5 If malfunction remains inspect related Service Bulletins and or On line Repair Information and perform repair or diagnosis z If vehicle is repaired troubleshooting completed z If vehicle is not repaired or additional diagnostic information is not available replace the PCM see PCM REMOVAL INSTALLATION MZI 3 5 20 FUEL ODOR IN ENGINE COMPARTMENT DESCRIPTION Gasoline ...

Page 892: ...fuel injector O ring and fuel line Service if necessary Install the fuel pressure gauge between the fuel pipe and the fuel distributor Start engine and idle it Measure fuel line pressure during idle Is fuel line pressure correct during idle see FUEL LINE PRESSURE INSPECTION MZI 3 5 Yes Go to the next step No Replace the fuel pump unit see FUEL PUMP UNIT REMOVAL INSTALLATION MZI 3 5 2 Inspect for b...

Page 893: ... Service Bulletins and or On line Repair Information and perform repair or diagnosis z If vehicle is repaired troubleshooting completed z If vehicle is not repaired or additional diagnostic information is not available replace the PCM see PCM REMOVAL INSTALLATION MZI 3 5 21 ENGINE NOISE DESCRIPTION Engine noise from under hood Squeal click or chirp noise z Improper engine oil level z Improper driv...

Page 894: ...he followings z Engine oil level z Drive belt tension z Splash shield or under cover looseness z Generator installation alignment No Go to the next step 2 Is a rumbling or grinding noise present Yes Inspect for the followings z Drive belt tension z P S fluid level No Go to the next step 3 Is a rattling noise present Yes Inspect rattling location for loose parts No Go to the next step 4 Is a hissin...

Page 895: ...eturn to diagnostic index to service any additional symptoms See ENGINE SYMPTOM TROUBLESHOOTING MZI 3 5 If malfunction remains inspect related Service Bulletins and or On line Repair Information and perform repair or diagnosis z If vehicle is repaired troubleshooting completed z If vehicle is not repaired or additional diagnostic information is not available replace the PCM see PCM REMOVAL INSTALL...

Page 896: ...sis z If vehicle is repaired troubleshooting completed z If vehicle is not repaired or additional diagnostic information is not available replace the PCM see PCM REMOVAL INSTALLATION MZI 3 5 23 A C DOES NOT WORK SUFFICIENTLY DESCRIPTION A C compressor magnetic clutch does not engage when the A C switch is turned on POSSIBLE CAUSE z Improper refrigerant charging amount z Open the A C magnetic clutc...

Page 897: ...itch is normal go to the next step No Inspect for the following z A C switch is stuck open z Open circuit in wiring harness between refrigerant pressure switch and PCM terminal 1R z Open circuit in wiring harness between blower motor fan switch and resistor if blower motor does not operate z Evaporator temperature sensor and A C amplifier 4 Remove jumper wiring from the switch connector Reconnect ...

Page 898: ...onnect the M MDS to the DLC 2 Turn the ignition switch to the ON position Engine off Retrieve any DTCs Are there any DTCs displayed Yes DTC is displayed Go to the appropriate DTC inspection see DTC TABLE MZI 3 5 No No DTC is displayed Go to the next step 2 Start the engine and idle it Turn the A C switch on Remove the A C relay Does the A C magnetic clutch disengage Yes Inspect for the following z...

Page 899: ...arness between A C switch and A C amplifier z Short to GND circuit between A C amplifier and refrigerant pressure switch No Inspect whether A C switch is stuck closed 5 z Verify test results If normal return to diagnostic index to service any additional symptoms See ENGINE SYMPTOM TROUBLESHOOTING MZI 3 5 If malfunction remains inspect related Service Bulletins and or On line Repair Information and...

Page 900: ...ccelerator pedal position sensor 3 z Verify test results If normal return to diagnostic index to service any additional symptoms See ENGINE SYMPTOM TROUBLESHOOTING MZI 3 5 If malfunction remains inspect related Service Bulletins and or On line Repair Information and perform repair or diagnosis z If vehicle is repaired troubleshooting completed z If vehicle is not repaired or additional diagnostic ...

Page 901: ...n quick release connector joint area before disconnecting connecting and make sure that it is free of foreign material STEP INSPECTION RESULTS ACTION 1 Are any driveability or exhaust smoke concerns present Yes Go to the appropriate flow chart No Go to the next step 2 Inspect the following z Electrical connections z Vacuum lines z Fuel quality Are all items normal Yes Go to the next step No Servic...

Page 902: ... different fuels If the fuel tank vent system is not normal repair or replace the malfunctioning part 6 z Verify test results If normal return to diagnostic index to service any additional symptoms See ENGINE SYMPTOM TROUBLESHOOTING MZI 3 5 If malfunction remains inspect related Service Bulletins and or On line Repair Information and perform repair or diagnosis z If vehicle is repaired troubleshoo...

Page 903: ...may cause damage to fuel pipe and quick release connector Always clean quick release connector joint area before disconnecting connecting and make sure that it is free of foreign material STEP INSPECTION ACTION 1 Connect the M MDS to the DLC 2 Turn the ignition switch to the ON position Engine off Retrieve any DTCs Are there any DTCs displayed Yes DTC is displayed Go to the appropriate DTC inspect...

Page 904: ... pipes z Nonreturn valve malfunction z Fuel shut off valve malfunction z Fuel nozzle malfunction z Fuel nozzle is not inserted correctly WARNING z The following troubleshooting flow chart contains the fuel system diagnosis and repair procedures Read the following warnings before servicing the fuel system Fuel vapor is hazardous It can easily ignite causing serious injury and damage Always keep spa...

Page 905: ...onreturn valve operation Is the nonreturn valve normal Yes Inspect for the following z Improper use of fuel nozzle z Fuel is not inserted correctly z Inspect fuel shut off valve No Nonreturn valve is installed improperly z Reinstall the nonreturn valve to proper position Nonreturn valve does not operate properly z Replace the nonreturn valve 3 z Verify test results If normal return to diagnostic i...

Page 906: ...Air fuel mixture Too rich z Compression Low compression z Clogging in intake exhaust system Grayish white with all plugs z Air fuel mixture Too lean NOTE z Inspecting spark plugs condition can determine whether problem is related to a specific cylinder or possibly all cylinders WARNING The following troubleshooting flow chart contains the fuel system diagnosis and repair procedures Read the follow...

Page 907: ...all the spark plugs Inspect spark plug condition Is spark plug condition normal Yes Troubleshooting completed No Specific plug is wet or covered with carbon Go to the next step Specific plug looks grayish white Go to Step 7 All plugs are wet or covered with carbon Go to Step 9 All plugs look grayish white Go to Step 15 2 Are the spark plug wet covered with carbon by the engine oil Yes Inspect all ...

Page 908: ...kage z Injection volume No Zero or low Inspect the fuel pump relay and fuel pump circuit Inspect the fuel line for clogging If there is no malfunction replace the fuel pump unit see FUEL PUMP UNIT REMOVAL INSTALLATION MZI 3 5 High Replace the fuel pump unit see FUEL PUMP UNIT REMOVAL INSTALLATION MZI 3 5 7 Inspect the spark plug for the following z Heat range z Air gap Is the spark plug normal Yes...

Page 909: ...rrect with ignition switch at ON see FUEL LINE PRESSURE INSPECTION MZI 3 5 Yes Go to the next step No Zero or low Inspect the fuel pump relay and fuel pump circuit Inspect the fuel line for clogging If there is no malfunction replace the fuel pump unit see FUEL PUMP UNIT REMOVAL INSTALLATION MZI 3 5 High Replace the fuel pump unit see FUEL PUMP UNIT REMOVAL INSTALLATION MZI 3 5 12 Inspect the foll...

Page 910: ... gauge between the fuel filter and the fuel distributor Short check connector terminal F P to body GND using a jumper wiring Turn the ignition switch to the ON position Engine off Is fuel line pressure correct with the ignition switch at ON see FUEL LINE PRESSURE INSPECTION MZI 3 5 Yes Inspect the following PIDs z ECT z O2S11 z O2S12 z O2S21 z O2S22 z MAF see PCM INSPECTION MZI 3 5 Inspect PCM GND...

Page 911: ...If vehicle is repaired troubleshooting completed z If vehicle is not repaired or additional diagnostic information is not available replace the PCM see PCM REMOVAL INSTALLATION MZI 3 5 NOTE z There are several reasons vehicle or engine vibration could cause an electrical malfunction Inspect the following Connectors not fully seated Wiring harnesses not having full play Wiring harnesses laying acro...

Page 912: ...able inspect for poor connection Fig 7 Identifying Slightly Shake Connector Or Wiring Harness Courtesy of MAZDA MOTORS CORP INSPECTION METHOD FOR SENSORS 1 Connect the M MDS to the DLC 2 2 Turn the ignition switch to the ON position Engine off NOTE z If the engine starts and runs perform the following steps during idle NOTE z If the engine starts and runs perform the following steps during idle 20...

Page 913: ...ctuator or both or the relay Fig 8 Vibrating Actuator Or Relay Courtesy of MAZDA MOTORS CORP WATER SPRINKLING METHOD If malfunction occurs only under high humidity or rainy snowy weather perform the following steps NOTE z If the engine starts and runs perform the following steps during idle NOTE z Vibrating relays too strongly may result in open relays CAUTION z Indirectly change the temperature a...

Page 914: ...RCE OF UNUSUAL SIGNALS 3 Repair or replace the malfunctioning part 4 Confirm that the irregular signal is no longer detected FINDING IRREGULAR SIGNALS While referring to use the PID DATA monitor and record function to inspect the input signal system relating to the problem 1 Start the engine and idle the vehicle You can assume that any signals that are out of specification by a wide margin are irr...

Page 915: ...M MDS voltages are the same inspect for the following points concerning the sensor connector Female terminal opening is loose CAUTION z Compare the M MDS monitor voltage with the measurement voltage using the digital measurement system function If you use another tester misreading may occur z When measuring voltage attach the tester GND to the GND of the PCM that is being tested or to the engine i...

Page 916: ...arness z Harness pin crimp is loose or disconnected GND SYSTEM INSPECTION FOR VARIABLE RESISTANCE TYPE 1 z Confirm that terminal sensor 5 is at 0 V If it is at 0 V inspect the sensor z If necessary replace the sensor If not inspect for the following z Open or short circuit in wiring harness z Female terminal opening is loose causing an open or short circuit in wiring harness z Coupler pin holder d...

Page 917: ...e Pin discoloration blackness Harness pin crimp is loose or disconnected 2 Measure the 2 sensor terminal voltage z If there is a 0 5 V or more difference between the sensor and the M MDS voltages inspect the wiring harness for open or short circuits z If the sensor and the M MDS voltages are the same inspect the following points concerning the sensor connector Female terminal opening is loose Coup...

Page 918: ...ing points concerning the PCM connector Female terminal opening loose Coupler pin holder damage Pin discoloration blackness Harness pin crimp is loose or disconnected 2 Measure the 2 sensor terminal voltage z If there is a 0 5 V or more difference between the sensor and the M MDS voltages inspect the wiring harness for open or short circuits z If the sensor and the M MDS voltages are the same insp...

Page 919: ...ween PCM terminal 1Q and main relay terminal E ELECTRONIC THROTTLE CONTROL SYSTEM INSPECTION Engine coolant temperature compensation inspection 1 Connect the M MDS to the DLC 2 2 Access the following PIDs z ECT z IAT z RPM 3 Verify that the engine is cold then start the engine 4 Verify that the engine speed decreases as the engine warms up z If the engine speed does not decrease or decreases slowl...

Page 920: ...ify that the PID reading is within the CTP value see PCM INSPECTION MZI 3 5 z If the PID reading is out of range perform the following Remove the air duct from the throttle valve body Verify that the throttle valve opens when the accelerator pedal is depressed z If the throttle valve opens inspect the throttle position sensor and related wiring harness z If the throttle valve does not open inspect...

Page 921: ...to the next step Some cylinders not heard Go to Step 3 2 Perform main relay operation inspection Is main relay operation normal Yes Inspect the following z Fuel injector power system related wiring harness and connectors z PCM connectors z Fuel injector GND and related wiring harness and connectors No Repair or replace malfunctioning parts 3 Switch fuel injector connector of not operating fuel inj...

Page 922: ...ope while performing the following steps 1 Depress the accelerator pedal and increase the engine speed to 4 000 rpm 2 Quickly release the accelerator pedal brake pedal is not depressed and verify that the wave profile constant B and appears wave when the engine speed drops below 2 200 rpm z If not as specified inspect the following CHT sensor and related harness see CYLINDER HEAD TEMPERATURE CHT S...

Page 923: ...connect the fuel pump relay 2 Verify that each ignition coil and connector is connected properly 3 Inspect the ignition system in the following procedure DESCRIPTION AND POSSIBLE CAUSES WARNING z High voltage in the ignition system can cause strong electrical shock which can result in serious injury Avoid direct contact to the vehicle body during the following spark test STEP INSPECTION ACTION 1 z...

Page 924: ...Inspect and replace the ignition coil see IGNITION COIL INSPECTION MZI 3 5 No Repair or replace the malfunctioning part then go to Step 1 5 z Measure the voltage at terminal A in each ignition coils z Is the voltage B Yes Go to the next step No Inspect power supply circuit of ignition coils 6 Verify continuity between each ignition coils terminal B and battery negative post Is there any continuity...

Page 925: ...und is not heard perform the purge solenoid valve inspection see PURGE SOLENOID VALVE INSPECTION MZI 3 5 7 Warm up the engine to normal operating temperature 8 Monitor the EVAPCP PID using the M MDS and drive the vehicle approx 2 000 rpm for 30 sec or more z If the EVAPCP PID is 0 inspect the following MAF APP1 APP2 APP3 TP_REL and LOAD PIDs If simulation function of the M MDS is not used 1 Start ...

Page 926: ...ot work sufficiently 4 Fully open the throttle valve and verify that the A C compressor magnetic clutch does not actuate for 2 5 s z If it actuates inspect as follows A C relay Open or short to GND circuit in wiring harness and connectors Ignition switch A C relay PCM terminal 1N A C related parts APP1 APP2 APP3 PIDS COOLING FAN CONTROL SYSTEM INSPECTION 1 Connect the M MDS to the DLC 2 2 Start th...

Page 927: ...rol module see FAN CONTROL MODULE INSPECTION MZI 3 5 Cooling fan motor No 1 does not operate z Open or short to ground circuit between the fan control module and cooling fan motor No 1 z Poor connection of the fan control module connector or cooling fan motor No 1 connector z Cooling fan motor No 1 see FAN MOTOR INSPECTION MZI 3 5 z Fan control module see FAN CONTROL MODULE INSPECTION MZI 3 5 Cool...

Page 928: ...L INSTALLATION MZI 3 5 z If not as specified inspect the following OCV RH Harnesses and connectors between OCV RH and PCM have an open or short circuit z If as specified inspect the following right bank hydraulic passages for clogging or leakage or both Oil pressure switch OCV OCV camshaft Camshaft internal passage 5 If they are normal replace the right bank camshaft pulley with built in variable ...

Page 929: ...e valve 2 Connect the vehicle interface hose part of the SST to the SELF TEST port located on the control panel Hand tighten the fitting Do not overtighten 3 Turn the control valve to the TEST position 4 The gauge should read 331 381 mm 13 15 in of water z If the gauge is not reading in this range adjust the pressure by turning the black knob on the low pressure regulator at the nitrogen bottle 5 ...

Page 930: ...hose assembly part of the SST and to the fuel filler neck 5 Connect the vehicle interface hose part of the SST to the center fitting of the vehicle cap test hose assembly part of the SST 3 Connect the M MDS to the DLC 2 4 Turn the ignition switch to the ON position Engine off 5 Request the PCM on board device control Mode 08 using the M MDS to close the canister vent value NOTE z INSPECT FUEL FILL...

Page 931: ... system has large leakage Check for leakage and repair as necessary 9 Verify the pressure gauge and flow meter reading to determine if there is an evaporative emissions leak NO EVAPORATIVE LEAK z The flow meter registers zero flow and the pressure gauge returns to the pre set pressure of 356 mm 14 in of water H2O EVAPORATIVE LEAK z The pressure does not return to the preset level of 356 mm 14 in o...

Page 932: ...RAMS article AIR CONDITIONING 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 30 AM Page 1 2005 Mitchell Repair Information Company LLC Microsoft Sunday November 15 2009 9 34 38 AM Page 1 2005 Mitchell Repair Information Company LLC ...

Page 933: ...2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 30 AM Page 2 2005 Mitchell Repair Information Company LLC ...

Page 934: ...1 Automatic A C Circuit Dual Fans 1 of 3 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 30 AM Page 3 2005 Mitchell Repair Information Company LLC ...

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Page 944: ...c A C Circuit Single Fan 3 of 3 ANTI LOCK BRAKES 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 30 AM Page 13 2005 Mitchell Repair Information Company LLC ...

Page 945: ...2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 30 AM Page 14 2005 Mitchell Repair Information Company LLC ...

Page 946: ... 7 Anti lock Brakes Circuit ANTI THEFT 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 30 AM Page 15 2005 Mitchell Repair Information Company LLC ...

Page 947: ...2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 30 AM Page 16 2005 Mitchell Repair Information Company LLC ...

Page 948: ...Fig 8 Forced Entry Circuit 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 30 AM Page 17 2005 Mitchell Repair Information Company LLC ...

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Page 950: ...Immobilizer Circuit BODY CONTROL MODULES 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 30 AM Page 19 2005 Mitchell Repair Information Company LLC ...

Page 951: ...2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 30 AM Page 20 2005 Mitchell Repair Information Company LLC ...

Page 952: ...y Control Modules Circuit COMPUTER DATA LINES 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 30 AM Page 21 2005 Mitchell Repair Information Company LLC ...

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Page 954: ... Computer Data Lines Circuit COOLING FAN 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 30 AM Page 23 2005 Mitchell Repair Information Company LLC ...

Page 955: ...2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 30 AM Page 24 2005 Mitchell Repair Information Company LLC ...

Page 956: ...ig 12 Cooling Fan Circuit Dual Fans 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 30 AM Page 25 2005 Mitchell Repair Information Company LLC ...

Page 957: ...2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 30 AM Page 26 2005 Mitchell Repair Information Company LLC ...

Page 958: ...oling Fan Circuit Single Fan CRUISE CONTROL 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 30 AM Page 27 2005 Mitchell Repair Information Company LLC ...

Page 959: ...2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 30 AM Page 28 2005 Mitchell Repair Information Company LLC ...

Page 960: ...g 14 Cruise Control Circuit DEFOGGERS 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 30 AM Page 29 2005 Mitchell Repair Information Company LLC ...

Page 961: ...2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 30 AM Page 30 2005 Mitchell Repair Information Company LLC ...

Page 962: ...Defoggers Circuit ENGINE PERFORMANCE 3 5L 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 30 AM Page 31 2005 Mitchell Repair Information Company LLC ...

Page 963: ...2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 30 AM Page 32 2005 Mitchell Repair Information Company LLC ...

Page 964: ...6 3 5L Engine Performance Circuit 1 of 4 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 30 AM Page 33 2005 Mitchell Repair Information Company LLC ...

Page 965: ...2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 30 AM Page 34 2005 Mitchell Repair Information Company LLC ...

Page 966: ...7 3 5L Engine Performance Circuit 2 of 4 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 30 AM Page 35 2005 Mitchell Repair Information Company LLC ...

Page 967: ...2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 30 AM Page 36 2005 Mitchell Repair Information Company LLC ...

Page 968: ...8 3 5L Engine Performance Circuit 3 of 4 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 30 AM Page 37 2005 Mitchell Repair Information Company LLC ...

Page 969: ...2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 30 AM Page 38 2005 Mitchell Repair Information Company LLC ...

Page 970: ...ngine Performance Circuit 4 of 4 EXTERIOR LIGHTS 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 30 AM Page 39 2005 Mitchell Repair Information Company LLC ...

Page 971: ...2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 40 2005 Mitchell Repair Information Company LLC ...

Page 972: ...Fig 20 Backup Lamps Circuit 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 41 2005 Mitchell Repair Information Company LLC ...

Page 973: ...2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 42 2005 Mitchell Repair Information Company LLC ...

Page 974: ...Exterior Lamps Circuit GROUND DISTRIBUTION 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 43 2005 Mitchell Repair Information Company LLC ...

Page 975: ...2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 44 2005 Mitchell Repair Information Company LLC ...

Page 976: ...2 Ground Distribution Circuit HEADLIGHTS 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 45 2005 Mitchell Repair Information Company LLC ...

Page 977: ...2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 46 2005 Mitchell Repair Information Company LLC ...

Page 978: ...23 Headlights Circuit W Auto Lights Off 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 47 2005 Mitchell Repair Information Company LLC ...

Page 979: ...2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 48 2005 Mitchell Repair Information Company LLC ...

Page 980: ...eadlights Circuit W O Auto Lights Off HORN 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 49 2005 Mitchell Repair Information Company LLC ...

Page 981: ...2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 50 2005 Mitchell Repair Information Company LLC ...

Page 982: ...g 25 Horn Circuit INSTRUMENT CLUSTER 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 51 2005 Mitchell Repair Information Company LLC ...

Page 983: ...2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 52 2005 Mitchell Repair Information Company LLC ...

Page 984: ... 26 Instrument Cluster Circuit 1 of 2 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 53 2005 Mitchell Repair Information Company LLC ...

Page 985: ...2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 54 2005 Mitchell Repair Information Company LLC ...

Page 986: ... 27 Instrument Cluster Circuit 2 of 2 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 55 2005 Mitchell Repair Information Company LLC ...

Page 987: ...2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 56 2005 Mitchell Repair Information Company LLC ...

Page 988: ...ti Information System Circuit INTERIOR LIGHTS 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 57 2005 Mitchell Repair Information Company LLC ...

Page 989: ...2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 58 2005 Mitchell Repair Information Company LLC ...

Page 990: ...Fig 29 Courtesy Lamps Circuit 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 59 2005 Mitchell Repair Information Company LLC ...

Page 991: ...2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 60 2005 Mitchell Repair Information Company LLC ...

Page 992: ...strument Illumination Circuit MEMORY SYSTEMS 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 61 2005 Mitchell Repair Information Company LLC ...

Page 993: ...2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 62 2005 Mitchell Repair Information Company LLC ...

Page 994: ...31 Driver s Memory Seat Circuit 1 of 2 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 63 2005 Mitchell Repair Information Company LLC ...

Page 995: ...2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 64 2005 Mitchell Repair Information Company LLC ...

Page 996: ...iver s Memory Seat Circuit 2 of 2 NAVIGATION 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 65 2005 Mitchell Repair Information Company LLC ...

Page 997: ...2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 66 2005 Mitchell Repair Information Company LLC ...

Page 998: ...3 Navigation Circuit POWER DISTRIBUTION 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 67 2005 Mitchell Repair Information Company LLC ...

Page 999: ...2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 68 2005 Mitchell Repair Information Company LLC ...

Page 1000: ... 34 Power Distribution Circuit 1 of 2 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 69 2005 Mitchell Repair Information Company LLC ...

Page 1001: ...2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 70 2005 Mitchell Repair Information Company LLC ...

Page 1002: ...r Distribution Circuit 2 of 2 POWER DOOR LOCKS 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 71 2005 Mitchell Repair Information Company LLC ...

Page 1003: ...2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 72 2005 Mitchell Repair Information Company LLC ...

Page 1004: ...Fig 36 Door Lock Circuit 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 73 2005 Mitchell Repair Information Company LLC ...

Page 1005: ...2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 74 2005 Mitchell Repair Information Company LLC ...

Page 1006: ...Fig 37 Keyless Entry Circuit 1 of 2 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 75 2005 Mitchell Repair Information Company LLC ...

Page 1007: ...2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 76 2005 Mitchell Repair Information Company LLC ...

Page 1008: ...Keyless Entry Circuit 2 of 2 POWER MIRRORS 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 77 2005 Mitchell Repair Information Company LLC ...

Page 1009: ...2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 78 2005 Mitchell Repair Information Company LLC ...

Page 1010: ... 39 Power Mirrors Circuit POWER SEATS 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 79 2005 Mitchell Repair Information Company LLC ...

Page 1011: ...2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 80 2005 Mitchell Repair Information Company LLC ...

Page 1012: ...Fig 40 Driver Power Seat Circuit 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 81 2005 Mitchell Repair Information Company LLC ...

Page 1013: ...2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 82 2005 Mitchell Repair Information Company LLC ...

Page 1014: ...Fig 41 Heated Seats Circuit 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 83 2005 Mitchell Repair Information Company LLC ...

Page 1015: ...2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 84 2005 Mitchell Repair Information Company LLC ...

Page 1016: ...Fig 42 Lumbar Circuit 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 85 2005 Mitchell Repair Information Company LLC ...

Page 1017: ...2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 86 2005 Mitchell Repair Information Company LLC ...

Page 1018: ...ssenger Power Seat Circuit POWER TOP SUNROOF 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 87 2005 Mitchell Repair Information Company LLC ...

Page 1019: ...2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 88 2005 Mitchell Repair Information Company LLC ...

Page 1020: ... Power Top Sunroof Circuit POWER WINDOWS 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 89 2005 Mitchell Repair Information Company LLC ...

Page 1021: ...2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 90 2005 Mitchell Repair Information Company LLC ...

Page 1022: ...Fig 45 Power Windows Circuit 1 of 2 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 91 2005 Mitchell Repair Information Company LLC ...

Page 1023: ...2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 92 2005 Mitchell Repair Information Company LLC ...

Page 1024: ... 46 Power Windows Circuit 2 of 2 RADIO 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 93 2005 Mitchell Repair Information Company LLC ...

Page 1025: ...2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 94 2005 Mitchell Repair Information Company LLC ...

Page 1026: ...Fig 47 Radio Circuit W Base Radio 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 95 2005 Mitchell Repair Information Company LLC ...

Page 1027: ...2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 96 2005 Mitchell Repair Information Company LLC ...

Page 1028: ...Fig 48 Radio Circuit W Bose 1 of 2 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 97 2005 Mitchell Repair Information Company LLC ...

Page 1029: ...2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 98 2005 Mitchell Repair Information Company LLC ...

Page 1030: ...Fig 49 Radio Circuit W Bose 2 of 2 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 99 2005 Mitchell Repair Information Company LLC ...

Page 1031: ...2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 31 AM Page 100 2005 Mitchell Repair Information Company LLC ...

Page 1032: ...r Seat Entertainment Circuit SHIFT INTERLOCK 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 32 AM Page 101 2005 Mitchell Repair Information Company LLC ...

Page 1033: ...2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 32 AM Page 102 2005 Mitchell Repair Information Company LLC ...

Page 1034: ...Shift Interlock Circuit STARTING CHARGING 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 32 AM Page 103 2005 Mitchell Repair Information Company LLC ...

Page 1035: ...2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 32 AM Page 104 2005 Mitchell Repair Information Company LLC ...

Page 1036: ...Fig 52 Charging Circuit 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 32 AM Page 105 2005 Mitchell Repair Information Company LLC ...

Page 1037: ...2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 32 AM Page 106 2005 Mitchell Repair Information Company LLC ...

Page 1038: ...Starting Circuit SUPPLEMENTAL RESTRAINTS 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 32 AM Page 107 2005 Mitchell Repair Information Company LLC ...

Page 1039: ...2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 32 AM Page 108 2005 Mitchell Repair Information Company LLC ...

Page 1040: ... Supplemental Restraints Circuit 1 of 2 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 32 AM Page 109 2005 Mitchell Repair Information Company LLC ...

Page 1041: ...2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 32 AM Page 110 2005 Mitchell Repair Information Company LLC ...

Page 1042: ...emental Restraints Circuit 2 of 2 TRANSMISSION 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 32 AM Page 111 2005 Mitchell Repair Information Company LLC ...

Page 1043: ...2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 32 AM Page 112 2005 Mitchell Repair Information Company LLC ...

Page 1044: ...Fig 56 4WD Circuit 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 32 AM Page 113 2005 Mitchell Repair Information Company LLC ...

Page 1045: ...2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 32 AM Page 114 2005 Mitchell Repair Information Company LLC ...

Page 1046: ...7 A T Circuit TRUNK TAILGATE FUEL DOOR 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 32 AM Page 115 2005 Mitchell Repair Information Company LLC ...

Page 1047: ...2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 32 AM Page 116 2005 Mitchell Repair Information Company LLC ...

Page 1048: ... Power Liftgate Circuit WARNING SYSTEMS 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 32 AM Page 117 2005 Mitchell Repair Information Company LLC ...

Page 1049: ...2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 32 AM Page 118 2005 Mitchell Repair Information Company LLC ...

Page 1050: ...9 Warning Systems Circuit WIPER WASHER 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 32 AM Page 119 2005 Mitchell Repair Information Company LLC ...

Page 1051: ...2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 32 AM Page 120 2005 Mitchell Repair Information Company LLC ...

Page 1052: ...ont Wiper Washer Circuit W Automatic Wiper 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 32 AM Page 121 2005 Mitchell Repair Information Company LLC ...

Page 1053: ...2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 32 AM Page 122 2005 Mitchell Repair Information Company LLC ...

Page 1054: ...nt Wiper Washer Circuit W O Automatic Wiper 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 32 AM Page 123 2005 Mitchell Repair Information Company LLC ...

Page 1055: ...2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 32 AM Page 124 2005 Mitchell Repair Information Company LLC ...

Page 1056: ...Fig 62 Rear Wiper Washer Circuit 2007 Mazda CX 9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda CX 9 Microsoft Sunday November 15 2009 9 34 32 AM Page 125 2005 Mitchell Repair Information Company LLC ...

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