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2007 > G 3.8 DOHC >

TROUBLE SYMPTOM CHARTS

TROUBLE SYMPTOM 1

TROUBLE SYMPTOM 2

Trouble symptom

Probable cause

Remedy

The set vehicle speed varies greatly
upward or downward
"Surging" (repeated alternating
acceleration and deceleration) occurs
after setting

Malfunction of the vehicle speed
sensor circuit

Repair the vehicle speed sensor
system, or replace the part

Malfunction of PCM

Check input and output signals at
PCM

TROUBLE SYMPTOM 3

Trouble symptom

Probable cause

Remedy

Содержание G 3.8 DOHC

Страница 1: ...Engine Electrical System General Information Engine SLJ YPcal System...

Страница 2: ...e running Battery requires frequent recharging Drive belt loose or worn Battery cable loose corroded or worn Electronic voltage regulator or alternator Wiring Adjust belt tension or replace belt Inspe...

Страница 3: ...nition switch Replace Starter spins but engine will not crank Short in wiring Pinion gear teeth broken or starter motor Ring gear teeth broken Repair wiring Replace Replace fly wheel or torque convert...

Страница 4: ...ARGING SYSTEM Items Specification Alternator Rate voltage 13 5 V 130A Speed in use 1 000 18 000 rpm Voltage regulator IC regulator built in type Regulator setting voltage 14 2 14 8 V 500 RPM 10A 25 C...

Страница 5: ...Engine Electrical System Ignition System Engine Electrical System...

Страница 6: ...e operating conditions are preprogrammed in the memory of the PCM Power Control Module The engine operating conditions speed load warm up condition etc are detected by the various sensors Based on the...

Страница 7: ...2007 G 3 8 DOHC COMPONENTS...

Страница 8: ...ignition coil connector A When removing the ignition coil connector pull the lock pin A and push the clip B 3 Remove the ignition coil B 4 Installation is the reverse of removal ON VEHICLE INSPECTION...

Страница 9: ...s while engine is being cranked To prevent fuel being injected from injectors while the engine is being cranked remove the fuel pump A relay from the fuse box Crank the engine for no more than 5 10 se...

Страница 10: ...SPARK PLUG 1 Remove the ignition coil connector A...

Страница 11: ...park plug Be careful that no contaminates enter through the spark plug holes 4 Inspect the electrodes A and ceramic insulator B INSPECTION OF ELECTRODES Condition Dark deposits White deposits Descript...

Страница 12: ...Standard 1 0 1 1 mm 0 0394 0 0433 in Unleaded 0 8 0 9 mm 0 0315 0 0354 in Leaded IGNITION COIL 1 Measure the primary coil resistance between terminals and Standard value 0 62 10...

Страница 13: ...Engine Electrical System Charging System Engine Electrical System...

Страница 14: ...ach rectifying AC current to DC current Therefore DC current appears at alternator B terminal In addition the charging voltage of this alternator is regulated by the battery voltage detection system T...

Страница 15: ...n 2 Check that there is no abnormal noise from the alternator while the engine is running CHECK DISCHARGE WARNING LIGHT CIRCUIT 1 Warm up the engine and then turn it off 2 Turn off all accessories 3 T...

Страница 16: ...and correct as necessary Check the battery installed in the vehicle to ensure that it is in good condition The battery checking method is described in the section Battery The battery that is used to...

Страница 17: ...e vehicle and test it Limit value 65A min The nominal output current value is shown on the nameplate affixed to the alternator body The output current value changes with the electrical load and the te...

Страница 18: ...Turn on the ignition switch and check to see that the voltmeter indicates the following value Voltage Battery voltage If it reads 0V there is an open circuit in the wire between the alternator B term...

Страница 19: ...Engine Electrical System Charging System Alternator Engine Electrical System...

Страница 20: ...2007 G 3 8 DOHC COMPONENTS...

Страница 21: ...the cable from alternator B terminal 3 Remove the drive belt 4 Pull out the through bolt and then remove the alternator A 5 Installation is the reverse of removal DISASSEMBLY 1 If the front bearing n...

Страница 22: ...the four screws the rectifier B and the rubber seal C 5 Remove the four nuts A and insulators B 6 Remvoe the rear bracket assembly A and washer B 7 Remove the rotor A fron the stator and front frame a...

Страница 23: ...ion between the B terminal A and P terminals B between the E terminal C and P terminals B of each diode pair All diodes should have continuity in only one direction Because the rectifier diodes are de...

Страница 24: ...careful not to get any grease or oil on the slip rings 1 Insert the rotor A in the stator and front frame assembly B 2 Install the washer B and the rear bracket assembly A 3 Tighten the four nuts and...

Страница 25: ...4 Install the rectifier B and the rubber seal C by tightening the four screws A 5 Install the brush holder A 6 Install the generator cover A by tightening the three nuts B...

Страница 26: ...7 Install the pulley with a hexagonal wrench...

Страница 27: ...Engine Electrical System Charging System Battery Engine Electrical System...

Страница 28: ...ce free battery is as the name implies totally maintenance free and has no removable battery cell caps 2 Water never needs to be added to the maintenance free battery 3 The battery is completely seale...

Страница 29: ...solution as described above 6 Inspect the battery case and cover for cracks If cracks are present the battery must be replaced 7 Clean the battery posts with a suitable battery post tool 8 Clean the...

Страница 30: ...INSPECTION BATTERY DIAGNOSTIC FLOW...

Страница 31: ...low 1 If the battery has been on charge remove the surface charge by connecting a 300ampere load for 15 seconds 2 Connect the voltmeter and apply the specified load 3 Read the voltage after the load h...

Страница 32: ...and above 9 5V 16 C 60 8 F 9 4V 10 C 50 0 F 9 3V 4 C 39 2 F 9 1V 1 C 30 2 F 8 9V 7 C 19 4 F 8 7V 12 C 10 4 F 8 5V 18 C 0 4 F If the voltage is greater than shown in the table the battery is good If t...

Страница 33: ...Engine Electrical System Starting System Engine Electrical System...

Страница 34: ...the ignition key is turned to the start position current flows and energizes the starter motor s solenoid coil The solenoid plunger and clutch shift lever are activated and the clutch pinion engages t...

Страница 35: ...e problem The starting system is now OK If the starter still does not crank the engine go to next step 4 Disconnect the connector from the S terminal of solenoid Connect a jumper wire from the B termi...

Страница 36: ...the pinion retracts immediately it is working properly To avoid damaging the starter do not leave the battery connected for more than 10 seconds FREE RUNNING TEST 1 Place the starter motor in a vise...

Страница 37: ...battery s negative post to the starter motor body 6 Adjust until battery voltage shown on the voltmeter reads 11volts 7 Confirm that the maximum amperage is within the specifications and that the sta...

Страница 38: ...Engine Electrical System Starting System Starter Engine Electrical System...

Страница 39: ...2007 G 3 8 DOHC COMPONENTS...

Страница 40: ...er E TROQUE 49 0 63 7 Nm 5 0 6 5 kgf m 36 2 47 0 Ib ft starter mounting D 3 Installation is the reverse of removal 4 Connect the battery negative cable to the battery DISASSEMBLY 1 Disconnect the M te...

Страница 41: ...5 Remove the shield A and packing B 6 Remove the lever plate A and lever packing B 7 Disconnect the planet gear A 8 Disconnect the planet shaft assembly A and lever B...

Страница 42: ...top ring A using a socket B 10 After removing the stopper A using stopper pliers B 11 Disconnect the stop ring A overrunning clutch B internal gear C and planet shaft D 12 Reassembly is the reverse of...

Страница 43: ...stop ring B over the stopper C DISASSEMBLY 1 Disconnect the M terminal on the magnet switch assembly 2 After loosening the 3 screws A detach the magnet switch assembly B 3 Loosen the through bolts A...

Страница 44: ...5 Remove the shield A and packing B 6 Remove the lever plate A and lever packing B 7 Disconnect the planet gear A 8 Disconnect the planet shaft assembly A and lever B...

Страница 45: ...top ring A using a socket B 10 After removing the stopper A using stopper pliers B 11 Disconnect the stop ring A overrunning clutch B internal gear C and planet shaft D 12 Reassembly is the reverse of...

Страница 46: ...he armature 4 Check the commutator A surface If the surface is dirty or burnt resurface with emery cloth or a lathe within the following specifications or recondition with 500 or 600 sandpaper B 5 Mea...

Страница 47: ...row or v shaped D Commutator mica depth Standard New 0 5 mm 0 0197 in Limit 0 2mm 0 0079 in 7 Check for continuity between the segments of the commutator If an open circuit exists between any segments...

Страница 48: ...R 1 Check that there is no continuity between the brush holder A and brush holder B If there is no continuity replace the brush holder assembly 2 Pry back each brush spring A with a screwdriver then p...

Страница 49: ...ong the shaft Replace it if does not slide smoothly 2 Rotate the overrunning clutch both ways Does it lock in one direction and rotate smoothly in reverse If it does not lock in either direction or it...

Страница 50: ...ust or brass chips between the segments B If the commutator run out is not within the service limit replace the armature Commutator runout Standard New 0 02mm 0 0008in max Service limit 0 05mm 0 0020i...

Страница 51: ...ny segments replace the armature 8 Check with an ohmmeter that no continuity exists between the commutator A and armature coil core B and between the commutator and armature shaft C If continuity exis...

Страница 52: ...brush down until it seats against the commutator then release the spring against the end of the brush To seat new brushes slip a strip of 500 or 600 sandpaper with the grit side up between the commuta...

Страница 53: ...damaged CLEANING 1 Do not immerse parts in cleaning solvent Immersing the yoke assembly and or armature will damage the insulation Wipe these parts with a cloth only 2 Do not immerse the drive unit i...

Страница 54: ...Engine Electrical System Starting System Starter Relay Engine Electrical System...

Страница 55: ...check that there is continuity between each terminal Terminal Continuity 30 87 NO 85 86 YES 4 Apply 12V to terminal 85 and ground to terminal 86 Check for continuity between terminals 30 and 87 5 If t...

Страница 56: ...Engine Electrical System Cruise Control System Engine Electrical System...

Страница 57: ...l signals to PCM Brake pedal switch Transaxle range switch A T Clutch switch M T ETS motor Regulates the throttle valve to the set opening by PCM ETS Electronic Throttle System CRUISE CONTROL Cruise c...

Страница 58: ...s slowed to required cruise speed releasing COAST SET switch will re engage system at new selected speed The tab down To lower vehicle speed cruise must be engaged and operating Tab down is done by qu...

Страница 59: ...varies greatly upward or downward Surging repeated alternating acceleration and deceleration occurs after setting Malfunction of the vehicle speed sensor circuit Repair the vehicle speed sensor syste...

Страница 60: ...arness or replace the SET switch Malfunction of the PCM signals Check input and output signals at PCM TROUBLE SYMPTOM 6 Trouble symptom Probable cause Remedy Cannot accelerate or resume speed by using...

Страница 61: ...Engine Electrical System Cruise Control System Cruise Control Switch Engine Electrical System...

Страница 62: ...2007 G 3 8 DOHC CIRCUIT DIAGRAM...

Страница 63: ...the control switch 2 Measure resistance between terminals on the control switch when each function switch is ON switch is depressed Function switch Terminal Resistance Cruise Main 7 8 3 9k 1 Cancel 8...

Страница 64: ...Cruise Main 7 8 Cancel 8 2 0 0V 0 22V Set Coast 8 2 1 5V 0 22V Resume Accel 8 2 3 0V 0 22V 3 If not within specification replace switch...

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