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ECM SYSTEM

WG1605-G-E3,WG1605-L-E3,WG1605-GL-E3, DM

1-160

(7) EGO Sensors ((Exhaust Gas Oxygen) Sensors) (DTC 134, 154)

DTC 134-EGO1 Open/Lazy (HO

2

S1)

• Hardware: Heated Exhaust Gas Oxygen Sensor (Pre-Catalyst)
• Enabling Conditions: Engine Running
• Set Conditions: HEGO/HO

2

S cold or non-responsive for longer than 120 seconds

• Corrective Action(s): Illuminate MIL, disable closed loop operation and fuel adaptive learn correction (both) while

the code is active.

• Emissions related fault
• Possible Causes: Open feed circuit to O

2

heater, Open heater ground circuit, Open or shorted to ground O

2

signal

wire, open sensor ground (5 Vrtn1), inoperative sensor

The HEGO/HO

2

S sensor is a switching-type sensor about stoichiometry that measures the oxygen content

present in the exhaust to determine if the fuel flow to the engine is correct. If there is a deviation between the expected
reading and the actual reading, fuel flow is precisely adjusted using the Closed Loop multiplier and then "learned" with
the Adaptive multiplier. The multipliers only update when the system is in either "CL Active" or "CL + Adapt" control
modes.

Cold or non-responsive is defined as the actual impedance of the sensor heater not reaching the target

impedance.

KiSC issued 12, 2016 A

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Содержание WG1605-E3

Страница 1: ...WG1605 E3 DIAGNOSIS MANUAL ECM SYSTEM KiSC issued 12 2016 A...

Страница 2: ...ode No Issue month Main Revised Point and Corrective Measures Search word Reference Page 1 2014 05 Added the models WG1605 N E3 WG1605 LN E3 WG1605 GLN E3 2 2016 05 Updated the DTC s 3 2016 11 Added d...

Страница 3: ...I INFORMATION KiSC issued 12 2016 A...

Страница 4: ...CONTENTS 1 SAFETY FIRST I 1 INFORMATION KiSC issued 12 2016 A...

Страница 5: ...affect engine life SAFETY FIRST This symbol the industry s Safety Alert Symbol is used throughout this manual and on labels on the machine itself to warn of the possibility of personal injury Read th...

Страница 6: ...before disconnecting hydraulic or fuel lines Tighten all connections before applying pressure Wear a suitable hearing protective device such as earmuffs or earplugs to protect against objectionable o...

Страница 7: ...into eyes Keep electrolyte away from eyes hands and clothing If you spill electrolyte on yourself flush with water and get medical attention immediately DISPOSE OF FLUIDS PROPERLY Do not pour fluids i...

Страница 8: ...1 ECM SYSTEM KiSC issued 12 2016 A...

Страница 9: ...0 3 MAP Manifold Absolute Pressure Sensor DTC 107 108 1 136 4 IAT Intake Air Temperature Sensor DTC 111 112 113 127 129 1 139 5 ECT Engine Coolant Temperature DTC 116 117 118 217 1 144 6 TPS Throttle...

Страница 10: ...23 Spark Coil Primary DTC 2300 2301 2303 2304 2306 2307 2309 2310 1 228 KiSC issued 12 2016 A...

Страница 11: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 1 1 OUTLINE 1 OVERALL DIAGONOSTIC PROCEDURE KiSC issued 12 2016 A...

Страница 12: ...G Engines When the machine is received from the customer it is necessary to verify the malfunction symptoms and the generated malfunction data with the customer This is performed based on the trouble...

Страница 13: ...jector 1 Injector 2 Injector 3 Injector 4 Actual part replacement Injector Ignition Coil Fuel Filter ECM Others Customer complaint 1 Engine no start a No initial combustion b No complete combustion c...

Страница 14: ...ting b Just after starting c Idling d Racing e Acceleration f Deceleration g While at work h Others 6 Problem frequency a Constant b Once only c Sometime Time per day month 7 Engine warning light Turn...

Страница 15: ...ature CID Cubic Inch Displacement CKP Crankshaft Position Sensor CL Closed Loop CMP Camshaft Position Sensor CNG Compressed Natural Gas CO Carbon Monoxide CO2 Carbon Dioxide CPP Clutch Pedal Position...

Страница 16: ...erature FT Fuel Trim ft lb Foot Pounds FTP Federal Test Procedure GCP Global Control Platform GEN Generator GND Ground GPM Grams Per Mile HC Hydrocarbon HVS High Voltage Switch HDGCP Heavy Duty Global...

Страница 17: ...or Lamp mm Millimeters ms Millisecond mV Millivolt MPG Miles Per Gallon MPH Miles Per Hour NG Natural Gas Nm Newton Meters O2 Oxygen Sensor OBD On Board Diagnostics OBD I On Board Diagnostics generati...

Страница 18: ...Injection TDC Top Dead Center TIP Throttle Inlet Pressure TPS1 Throttle Position Sensor One TPS2 Throttle Position Sensor Two TSC Torque Speed Control TWC Threeway Catalyst TWC OC Threeway Catalyst Ox...

Страница 19: ...e Has there been any new external customer installed devices added to the vehicle and or engine Gasoline Fuel System Check Verify the customer complaint Locate the correct symptoms table Check the ite...

Страница 20: ...ll the connector terminals in the problem circuit in order to ensure the proper contact tension Checking for poor terminal to wire connections requires removing the terminal from the connector body Op...

Страница 21: ...el pump pressure Verify proper Fuel rail pressure Refer to the Gasoline Fuel System Diagnosis Check Electrical connections at the injectors Ignition System Checks Check for the proper primary side ign...

Страница 22: ...gnition voltage output Verify that the spark plugs are correct Check the spark plugs for the following conditions Wet plugs Cracks Wear Improper gap Burned electrodes Heavy deposits Check for loose ig...

Страница 23: ...s Check the intake and exhaust manifold passages for casting flash Fuel System Checks Check the fuel system plugged fuel filter low fuel pressure etc Refer to Gasoline Fuel System Diagnosis Check the...

Страница 24: ...s Refer to the Gasoline Fuel system OBD System Check Compare the customer s vehicle with a similar unit Make sure the customer has an actual problem Remove the air filter and check for dirt or restric...

Страница 25: ...tank and to recheck the fuel economy Suggest that a different operator use the equipment and record the results Fuel System Checks Check the fuel Rail pressure Refer to Gasoline Fuel System Diagnosis...

Страница 26: ...at the speed of the complaint Monitoring the oxygen sensors will help identify the problem Verify proper operation of the injectors Perform a cylinder compression test Refer to Engine Mechanical in th...

Страница 27: ...onitoring the oxygen sensors will help identify the problem Check the fuel rail pressure while the condition exists Refer to Gasoline Fuel System Diagnosis Verify check injector electrical connections...

Страница 28: ...vices added to the vehicle and or engine LPG Natural Gas Fuel System Check Verify the customer complaint Locate the correct symptom table Check the items indicated under that symptom Operate the vehic...

Страница 29: ...he connector terminals in the problem circuit in order to ensure the proper contact tension Checking for poor terminal to wire connections requires removing the terminal from the connector body Operat...

Страница 30: ...sure fuel supply hose for restrictions and or blockage Check for restrictions in the air intake system Check for large vacuum leaks in the intake system Check for proper mixer air valve operation Chec...

Страница 31: ...er secondary ignition system voltages for the equivalent gasoline operating conditions Check for the proper ignition voltage output Verify that the spark plugs are correct for use with LPG natural gas...

Страница 32: ...Ignition coils for cracks or carbon tracking Wet down the secondary ignition system with water from a spray bottle and look listen for arcing or misfiring as you apply water Engine Mechanical Checks...

Страница 33: ...on system failure and test the system accordingly Check for proper ignition output voltage with spark tester Verify that the spark plugs are correct for use with LPG natural gas Check for fouled spark...

Страница 34: ...er Check for proper installation of the mixer module assembly Check all air inlet ducts for condition and proper installation Check for fuel leaks between the DSR and the mixer Verify that the LPG nat...

Страница 35: ...eck the fuel economy Suggest that a different operator use the equipment and record the results Fuel System Checks Check the DSR fuel pressure Refer to LPG Natural Gas Fuel System Diagnosis Check the...

Страница 36: ...e Mechanical in the Service Manual Check the DSR fuel pressure Refer to the LPG Natural Gas Fuel System Diagnosis Check mixer module assembly for proper installation and connection Ignition System Che...

Страница 37: ...he problem Check the fuel pressure while the condition exists Refer to LPG Natural Gas Fuel System Diagnosis Verify proper fuel control solenoid operation Verify that the LPG natural gas manual shut o...

Страница 38: ...E3 WG1605 GL E3 DM 1 28 3 SET UP AND PROCEDURE DIAGNOSTIC TOOL 1 DIAGNOSTIC CONNECTOR POSITION The connector for connecting the diagnostic tool is in the position shown in the figure A Diagnostic Tool...

Страница 39: ...diagnosis software has been installed with administrator user account 2 Connect the vehicle side connector to the interface to vehicle with administrator user account 3 Connect the cable USB to the i...

Страница 40: ...support This includes DM1 Active Diagnostic Trouble Codes DM2 Previously Active Diagnostic Trouble Codes DM3 Diagnostic Data Clear Reset of Previously Active DTCs DM4 Freeze Frame Parameters DM5 Diag...

Страница 41: ...e 1 Limit TPS to the Power Derate 1 set in the diagnostic calibration while the fault is active The Power Derate 1 TPS should be set higher than Power Derate 2 as Power Derate 2 adds a higher level of...

Страница 42: ...Once a fault has become active it is immediately logged as historic and a snapshot and flight data log is saved Figure 1 shows an example of the fault page when an active fault has been generated Not...

Страница 43: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 33 Figure 2 Faults Page with Historic Fault Message KiSC issued 12 2016 A...

Страница 44: ...a Base and Flight Data Custom Definition fields found on the Faults Page The memory location of the FDR is RAM therefore this data is only available if the ECM has not lost battery power In addition i...

Страница 45: ...and describes the fault Fault During Key Cycle Checkbox Informs that the fault occurred during the current key on event Fault Caused Engine Shutdown Checkbox Informs that the fault caused the engine...

Страница 46: ...Data Recorder interface after View Flight Data Recorder is selected The FDR captures a ten second eight seconds prior and two seconds after generating the fault strip of data for base and custom vari...

Страница 47: ...ormation may be manually erased using the Clear button functions Once a Clear function has been selected the dialog prompt shown in Figure 7 will be displayed Choosing YES deletes all fault informatio...

Страница 48: ...ll Test Inj X disables individual cylinders at any operating condition for the duration defined in calibration or until released through software Injector Kill may be used in conjunction with Spark Ki...

Страница 49: ...ntil the heaters are operating at the final impedance target c CL pre cat test status will indicate Test Running through steps 2 3 2 Pre Catalyst EGO Heater Diagnosis CL Test State Pre cat heater pre...

Страница 50: ...dditional Wait Time If this check fails for any of the post catalyst sensors the CL post cat test status will indicate Post cat EGO Lazy and the appropriate EGO Lazy fault for the sensor s is set b In...

Страница 51: ...t Not Started 2 Test Running 3 Test Finished Passed 4 Pre cat EGO Lazy generates appropriate EGO Lazy fault 5 Pre cat EGO Power Low 6 Pre cat EGO non responsive 7 Pre cat EGO fueling error 8 Cannot st...

Страница 52: ...a fuel system will utilize an EControls Engine Control Module ECM to control fueling and control emissions output in the exhaust In some cases the ECM provides signal output to the vehicle instrument...

Страница 53: ...SURE FUEL 4 SUCTION FUEL 5 RETURN FUEL 6 EXHAUST GASES 7 GASOLINE TANK 8 FUEL FILTER 9 ELECTRIC FUEL PUMP 10 RETURNLESS FUEL PRESSURE REGULATOR 11 AIR FILTRATION SYSTEM 12 INTAKE MANIFOLD 13 GASOLINE...

Страница 54: ...URE FUEL 4 AIR FUEL MIXTURE 5 ENGINE COOLANT 6 EXHAUST GASES 7 LPG NATURAL GAS TANK 8 MANUAL VALVE 9 FUEL FILTER 10 ELECTRIC LOCK OFF 11 DUAL STAGE REGULATOR 12 AIR FILTRATION SYSTEM 13 MIXER 14 INTAK...

Страница 55: ...LINE PRESSURE 9 GASOLINE REGULATED 10 GASOLINE TANK 11 FUEL FILTER 12 ELECTRIC FUEL PUMP 13 RETURNLESS FUEL PRESSURE REGULATOR 14 FUEL FILTER 15 MANUAL VALVE 16 LPG NATURAL GAS TANK 17 ELECTRIC LOCK O...

Страница 56: ...em utilizes a Fuel Pressure Manifold assembly to control the delivery pressure to the gasoline injector rail The manifold is mounted to the chassis between the electric fuel pump and the gasoline inje...

Страница 57: ...e of the hose from chemicals contained within the LPG natural gas which could result in a failure of the hose The hose should never be kinked or allowed to come into contact with the chassis or other...

Страница 58: ...requires a connection to the engine coolant to prevent freezing in the regulator during the pressure reduction phase within the regulator Coolant connections on the DSR are fitted with Push In fitting...

Страница 59: ...adjust fueling The DEPR internal computer also maintains certain levels of diagnostics within the system to ensure emissions control is always maintained If the DEPR detects a fault within the regula...

Страница 60: ...t low engine speed the air valve vacuum is low and the air valve position is low thus creating a small venturi for the fuel to flow As the engine speed increases the AVV increases and the air valve is...

Страница 61: ...rottle blade thus increasing or decreasing the air flow to the engine The electronic throttle control device also incorporates two internal Throttle Position Sensors TPS which provide output signals t...

Страница 62: ...cycle The speed with which the oxygen sensor reacts to oxygen changes in the exhaust is very important for accurate fuel control peak fuel economy and low emissions Aging of the sensor due to exposur...

Страница 63: ...AIR TEMP 8 MANIFOLD PRESSURE 9 THROTTLE POSITION 1 10 THROTTLE POSITION 2 11 FOOT PEDAL POSITION 12 KNOCK SENSOR 13 PRE CAT HEGO 14 POST CAT HEGO 15 GASOLINE RETURNLESS RAIL 16 SPARK CONTROL TO IGNITI...

Страница 64: ...MP 8 MANIFOLD PRESSURE 9 THROTTLE POSITION 1 10 THROTTLE POSITION 2 11 FOOT PEDAL POSITION 12 PRE CAT HEGO 13 POST CAT HEGO 14 FUEL PRESSURE 15 FUEL TEMP 16 FUEL CONTROL LOCATION 17 SPARK CONTROL TO I...

Страница 65: ...wn as the ECM The ECM is a 32 bit controller which receives input data from sensors fitted to the engine and fuel system and then outputs various signals to control engine operation Engine sensors are...

Страница 66: ...uring the development phase of the system the minimum and maximum threshold of engine temperature during normal operation are determined and are part of the fuel calibration and diagnostics programmed...

Страница 67: ...anifold and is serviceable as a separate part GAS TEMPERATURE SENSORS GTS The EControls ECM adjusts gasoline fuel delivery to the engine by utilizing a Gasoline Temperature Sensor GTS which provides a...

Страница 68: ...e engine block and attached by Kubota The Knock Sensor is a 5 volt reference signal sensor which operates by the resistance change in the sensor to output a reference voltage for the ECM to use The kn...

Страница 69: ...Each connector in the overall wire harness has a connector number which begins with the prefix CO followed by a three 3 digit number CIRCUIT IDENTIFICATION Circuit numbers are not identified and wire...

Страница 70: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 60 1 System Wiring Diagram A VEHICLE SIDE OF SYSTEM WIREING DIAGRAM WG1605 G KiSC issued 12 2016 A...

Страница 71: ...are jointed ECM_PIN_20 5 V_RTN1 COOLANT_TEMPERATURE_SENSOR_PIN_1 O2_SENSOR_PRE_CATALYST_PIN_A O2_SENSOR_POST_CATALYST_PIN_A THROTTLE_ACTUATOR_PIN_2 TMAP BOOST _PIN_C FPM_PIN_A VIC1_PIN_L 1 FPM 2 FPM...

Страница 72: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 62 B ENGINE SIDE OF SYSTEM WIREING DIAGRAM WG1605 G KiSC issued 12 2016 A...

Страница 73: ...points below are jointed ECM_PIN_20 5 V_RTN1 COOLANT_TEMPERATURE_SENSOR_PIN_1 O2_SENSOR_PRE_CATALYST_PIN_A O2_SENSOR_POST_CATALYST_PIN_A THROTTLE_ACTUATOR_PIN_2 TMAP BOOST _PIN_C FPM_PIN_A VIC1_PIN_L...

Страница 74: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 64 C VEHICLE SIDE OF SYSTEM WIREING DIAGRAM WG1605 L WG1605 N WG1605 LN KiSC issued 12 2016 A...

Страница 75: ...ts below are jointed ECM_PIN_20 5 V_RTN1 COOLANT_TEMPERATURE_SENSOR_PIN_1 O2_SENSOR_PRE_CATALYST_PIN_A O2_SENSOR_POST_CATALYST_PIN_A THROTTLE_ACTUATOR_PIN_2 TMAP BOOST _PIN_C FPM_PIN_A VIC1_PIN_L 1 VI...

Страница 76: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 66 D ENGINE SIDE OF SYSTEM WIREING DIAGRAM WG1605 L WG1605 N WG1605 LN KiSC issued 12 2016 A...

Страница 77: ...OOLANT_TEMPERATURE_SENSOR_PIN_1 O2_SENSOR_PRE_CATALYST_PIN_A O2_SENSOR_POST_CATALYST_PIN_A THROTTLE_ACTUATOR_PIN_2 TMAP BOOST _PIN_C FPM_PIN_A VIC1_PIN_L NOTE The picture shows the pin arrangement of...

Страница 78: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 68 E VEHICLE SIDE OF SYSTEM WIREING DIAGRAM WG1605 GL WG1605 GLN KiSC issued 12 2016 A...

Страница 79: ...NSOR_PIN_1 O2_SENSOR_PRE_CATALYST_PIN_A O2_SENSOR_POST_CATALYST_PIN_A THROTTLE_ACTUATOR_PIN_2 TMAP BOOST _PIN_C FPM_PIN_A VIC1_PIN_L 1 FPM 2 FPM Intermediate Harness 3 VIC1 Connector 4 ACCEL SENSOR1 5...

Страница 80: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 70 F ENGINE SIDE OF SYSTEM WIREING DIAGRAM WG1605 GL WG1605 GLN KiSC issued 12 2016 A...

Страница 81: ...N_1 O2_SENSOR_PRE_CATALYST_PIN_A O2_SENSOR_POST_CATALYST_PIN_A THROTTLE_ACTUATOR_PIN_2 TMAP BOOST _PIN_C FPM_PIN_A VIC1_PIN_L NOTE The picture shows the pin arrangement of the connector housing viewed...

Страница 82: ...YELLOW DK_BLUE 18 69 GROUND BLACK 16 10 UEGOP BLANK 40 IVS AUX ANA PU3 DK_BLUE YELLOW 18 70 INJ6 LS BLANK 11 UEGPR BLANK 41 BRAKE AUX DIG 3 TAN DK_GREEN 18 71 AUX PWM8 BLANK 12 AUX ANA PD1 ORANGE YELL...

Страница 83: ...BLANK 85 AUX PWM1 TAN 16 26 CRANK WHITE PURPLE 18 56 PC RX BLANK 86 AUX PWM4 BLANK 27 CAM GRAY BROWN 18 57 KNOCK 2 BLANK 87 AUX PWM2 DK_BLUE 18 28 CAM PURPLE ORANGE 18 58 KNOCK 2 BLANK 88 AUX PWM4 REC...

Страница 84: ...Name Crankshaft Sensor Connector Number C004 1 Name Oil Pressure Switch NOTE 1 All connector views are the mating connector view Pin Number Description Wire Color 1 Starter Solenoid WHITE Pin Number...

Страница 85: ...t NOTE 1 All connector views are the mating connector view Pin Number Description Wire Color A 5 V_RTN 1 BLACK LT_GREEN B EGO 1 DK_GREEN ORANGE C 12 V_RELAYED_POWER PINK DK_GREEN D EGOH 1 BLACK WHITE...

Страница 86: ...8 1 Name Engine Coolant Temperature NOTE 1 All connector views are the mating connector view Pin Number Description Wire Color A MAP LT_GREEN B 5 V_RTN 1 BLACK LT_GREEN C 5 V_EXT 1 LT_GREEN RED D IAT...

Страница 87: ...PUMP BLACK RED 16 D FUEL_PUMP PINK YELLOW 16 E AUX_PWM2 DK_BLUE 18 F START_COMMAND LT_BLUE PINK 18 G MIL GREEN YELLOW 18 H AUX_DIG1 FUEL_SELECT DK_GREEN PURPLE 18 J FPP 2 FPP 2_IVS PURPLE YELLOW 18 K...

Страница 88: ...USE B AUX_PWM5_RECIRC WHITE BROWN 16 C AUX_PWM5 BROWN WHITE 16 D TACH GRAY 18 E GROUND BLACK 16 F AUX_PWM1 TAN 16 G AUX_ANA_PU3 YELLOW DK_BLUE 18 H AUX_ANA_PU1 DK_BLUE YELLOW 18 J GOV_SELECT2 GRAY RED...

Страница 89: ...GL E3 DM 1 79 Connector Number C012 Name 12 Volt Battery Connection Connector Number C013 Name Alternator Battery Pin Number Description Wire Color 1 Battery 12 V RED Pin Number Description Wire Color...

Страница 90: ...5 1 Name Alternator Connector NOTE 1 All connector views are the mating connector view Pin Number Description Wire Color 1 ANA_RTN 2 5 V_REF 3 PC TX 4 PC RX 5 VBAT 6 7 CAN 1 BLUE PINK 8 CAN 1 BLUE WHI...

Страница 91: ...ws are the mating connector view Pin Number Description Wire Color 1 CAN Termination WHITE 2 CAN 1 DK_BLUE PINK 3 VRELAY PINK DK_GREEN 4 Ground BLACK 5 CAN DK_BLUE WHITE 6 VBAT 12 V RED TAN Pin Number...

Страница 92: ...Connector Connector Number C020 1 Name Camshaft Position Sensor Connector NOTE 1 All connector views are the mating connector view Pin Number Description Wire Color A Lock Off WHITE BLACK B 12 V PINK...

Страница 93: ...der Number Pin Number Description Wire Color 1 to 4 All 1 12 V_RELAYED_POWER PINK DK_GREEN 1 2 SPK_COIL1A YELLLOW 2 2 SPK_COIL2B YELLLOW WHITE 3 2 SPK_COIL2A YELLLOW RED 4 2 SPK_COIL1B YELLLOW BLACK C...

Страница 94: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 84 Connector Number C023 Name FUSE BOX KiSC issued 12 2016 A...

Страница 95: ...Fuel Pump Relay 2 Power Relay 3 Starter Relay 4 15 A FUSE 5 15 A FUSE 6 15 A FUSE 7 BLANK 8 10 A FUSE 9 5 A FUSE 1 BLANK 2 Power Relay 3 Starter Relay 4 15 A FUSE 5 BLANK 6 15 A FUSE 7 5 A FUSE 8 10...

Страница 96: ...control circuits operate at low voltage it is always best to use solder to make joints and replace connector pins Refer to next page REPAIR OF WIRING HARNESS If a connector is the Molded type and requ...

Страница 97: ...ectrical tape to tightly seal the area CONNECTOR END REPAIR OR REPLACEMENT Before making a connector repair be certain of the type of connector for example Weather Pack connectors and Compact Three co...

Страница 98: ...male connector and separate the connectors 2 Remove the terminal using the pin tool 3 Cut the wire immediately behind the cable seal 4 Replace the terminal a Slip the new seal onto the wire b Strip 5...

Страница 99: ...l which covers the maintenance of the equipment GENERAL LPG NATURAL GAS FUEL TANK MAINTENANCE LPG NATURAL GAS TANKS The typical LPG Natural Gas fuel storage cylinder should be inspected daily or at th...

Страница 100: ...k detector 5 On Gasoline fuel pumps with integrated fuel filters or screens located in the tank follow the procedures for pump removal 6 On externally mounted filters close the manual valve at the gas...

Страница 101: ...ned and fully seated GASOLINE FUEL PRESSURE MANIFOLD On Bi fuel and dedicated gasoline engines fuel is delivered to the gasoline injector rails via an electric fuel pump The ECM controls fuel delivery...

Страница 102: ...kage replace if necessary Check the harness routing and insure the harness is securely attached to the frame and protected from any hot surfaces rotating devices or road debris repair any unsafe condi...

Страница 103: ...pplied voltage to control the outlet pressure The pump subsequently pulses sending pressurized fuel to the Fuel Pressure Manifold A fuel temperature and pressure sensor mounted in the manifold measure...

Страница 104: ...Start for preliminary checks Before proceeding with this procedure verify that the vehicle has a sufficient quantity of fuel Tools Required Diagnostic Scan Tool EControls GCP Display SW tool CAUTION...

Страница 105: ...connectors at the Fuel Pressure Manifold Was there a problem found Go to Step G2 Go to Step G7 G7 Check the fuel delivery lines to and from the Fuel Pressure Manifold for kinks crimps or blockage of...

Страница 106: ...he voltage present Go to Step G14 Go to Step G15 G14 Replace fuel pump relay Is this action Complete Go to Step G2 G15 Replace the ECM Is this action Complete Go to Step G2 G16 Check for restricted fu...

Страница 107: ...st the valve seat When commanded by the ECM the DEPR will open which causes a pressure drop in the secondary seat and allows the secondary seat to open and allow fuel to flow to the DEPR The DEPR regu...

Страница 108: ...0 to 10 psi Gauge Test Description The numbers below refer to step numbers on the diagnostic table which identify faulty components 1 This step will determine if the DSR primary fuel pressure regulat...

Страница 109: ...e two pins Crank the engine The test light should illuminate or 12 V should be present Does the test light illuminate 12 V Go to Step L6 Go to Step L12 L6 Using a DVOM check the resistance of the LPG...

Страница 110: ...off circuit Is the action complete Go to Step L16 L13 Replace the dual stage regulator DSR Refer to Dual Stage Regulator Replacement Is the action complete Go to Step L16 L14 Replace the lock off Refe...

Страница 111: ...n the engine Reduction in exhaust flow can result from crushed muffler outlets or melted catalyst brick inside the converter It may be necessary to measure the back pressure in the exhaust system To d...

Страница 112: ...ressure 448 kPa abs 4 57 kgf cm2 65 0 psia Period for Judgment or Number of Occurrence for Judgment 2 sec 2 sec 2 sec System Action None AL Disable KC Low Rev Limit AL Disable KC Low Rev Limit Engine...

Страница 113: ...dgment 2 sec 60 sec 1 sec System Action AL Disable KC Power derate 1 AL Disable Power derate 1 AL Disable Power derate 1 Engine Warning Light ON ON ON DTC 113 116 117 Name IAT ECT CHT ECT CHT DTC Name...

Страница 114: ...down Engine Warning Light ON ON ON DTC 123 127 129 Name TPS IAT IAT DTC Name TPS1 Signal Voltage High IAT Higher Than Expected Stage 2 BP Low Pressure J1939 SPN 51 105 108 FMI 3 0 1 MIL ON OFF ON Dete...

Страница 115: ...or near the HEGO sensor reduced fuel supply pressure to the fuel injection system a inoperative sensor an injector that is stuck closed or dirty weak spark or lack of spark to a cylinder a MAP sensor...

Страница 116: ...or out of calibration Operating in a hot environment Sensor out of calibration DTC Set Preconditions Engine Running Adaptive Mode Engine Running Engine Running DTC Set Conditions AL_BM 30 and RPM 0 mi...

Страница 117: ...0 min 1 rpm Period for Judgment or Number of Occurrence for Judgment 1 sec 30 sec 1 sec System Action None Power derate 2 reduce throttle to limit speed Engine Warning Light ON ON ON DTC 221 222 223 N...

Страница 118: ...able KC Low Rev Limit CL Disable AL Disable KC Low Rev Limit CL Disable AL Disable KC Low Rev Limit Engine Warning Light ON ON ON DTC 265 267 268 Name Injectors Injectors Injectors DTC Name Injector D...

Страница 119: ...nt 10 samples 10 samples 3 sec System Action CL Disable AL Disable KC Low Rev Limit CL Disable AL Disable KC Low Rev Limit Power derate 1 Retard Fault KNK Engine Warning Light ON ON ON DTC 327 336 337...

Страница 120: ...AL Disable KC Shutdown Engine Warning Light ON ON OFF DTC 420 524 562 Name Catalyst Oil Pressure Battery Voltage DTC Name Catalyst Monitor Oil Pressure Low Battery Voltage VBAT Low J1939 SPN 3050 100...

Страница 121: ...ght ON OFF OFF DTC 606 627 628 Name Internal Processor Diagnostics Fuel Pump Relay Control Coil Fuel Pump Relay Control Coil Fuel Pump Motor Feedback DTC Name Microprocessor Failure COP Fuel Pump Rela...

Страница 122: ...udgment or Number of Occurrence for Judgment 10 samples 2 sec 1 sec 1 sec System Action None None AL Disable Power derate 1 AL Disable Power derate 1 Engine Warning Light ON ON ON ON DTC 652 653 686 N...

Страница 123: ...of Range Closed Loop High LPG Closed Loop Low LPG J1939 SPN 91 4236 4236 FMI 31 0 1 MIL ON ON ON Detected Item Wiring harness open short damage FPP malfunction exhaust leaks upstream or near the HEGO...

Страница 124: ...essure an injector that is stuck closed DTC Set Preconditions Engine Running Closed Loop Mode Engine Running Closed Loop Mode Engine Running Closed Loop Mode DTC Set Conditions CL_BM 35 and RPM 0 min...

Страница 125: ...lty pressure regulator a non responsive HEGO sensor DTC Set Preconditions Engine Running Closed Loop Mode Engine Running Adaptive Mode Engine Running Adaptive Mode DTC Set Conditions CL_BM 35 and RPM...

Страница 126: ...tions Engine Running Adaptive Mode Engine Running Adaptive Mode Engine Running DTC Set Conditions AL_BM 30 and RPM 0 min 1 rpm and RPM 9999 min 1 rpm and MAP 0 0 kPa abs 0 0 kgf cm2 0 0 psia and MAP 6...

Страница 127: ...ctioning lock off valve plugged fuel filter closed manual valve or fuel tank out of fuel DTC Set Preconditions Engine Running Engine Running Engine Running DTC Set Conditions EGO3 4 RMS 0 008 phi and...

Страница 128: ...ON ON DTC 1176 1177 1611 Name EPR Diagnostics EPR Diagnostics 5V External DTC Name EPR CFV Internal Actuator Fault Detection EPR CFV Internal Circuitry Fault Detection Sensor Supply Voltage 5Vext 1 2...

Страница 129: ...ble KC Power derate 2 Never Forget AL Disable KC Power derate 2 Engine Warning Light ON OFF OFF DTC 1615 1616 1673 Name Internal Processor Diagnostics Internal Processor Diagnostics General System Dia...

Страница 130: ...Period for Judgment or Number of Occurrence for Judgment 1 sec 1 sec 1 5 sec System Action Shutdown Shutdown Power derate 2 Low Rev Limit Engine Warning Light ON ON ON DTC 2122 2123 2126 Name FPP FPP...

Страница 131: ...Spark Coil 1 Primary Open Short to Ground Spark Coil 1 Primary Short to Power Spark Coil 2 Primary Open Short to Ground J1939 SPN 1268 1268 1269 FMI 5 6 5 MIL ON ON ON Detected Item a short to ground...

Страница 132: ...attery voltage 16 0 V Period for Judgment or Number of Occurrence for Judgment 10 sparks 10 sparks 10 sparks System Action CL Disable AL Disable Low Rev Limit CL Disable AL Disable Low Rev Limit CL Di...

Страница 133: ...erning systems for precise engine control The camshaft position sensor is a magnetic pick up sensor installed in the engine block or valve train adjacent to a coded trigger wheel located on or off of...

Страница 134: ...rregular crank pattern is detected causing the ECM to resynchronize times for y ms or longer as defined in the diagnostic calibration see set conditions above this fault will set Irregular crank patte...

Страница 135: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 125 DTC 336 Crank Input Signal Noise Diagnostic Aids Chart KiSC issued 12 2016 A...

Страница 136: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 126 DTC 337 Loss of Crankshaft Input Signal Diagnostic Aids Chart KiSC issued 12 2016 A...

Страница 137: ...ize this fault will set Irregular cam patterns can be detected by the ECM and can be caused by electrical noise poor machining of trigger wheel or trigger wheel run out and or gear lash In some instan...

Страница 138: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 128 DTC 341 Camshaft Input Signal Noise Diagnostic Aids Chart KiSC issued 12 2016 A...

Страница 139: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 129 DTC 342 Loss of Camshaft Input Signal Diagnostic Aids Chart KiSC issued 12 2016 A...

Страница 140: ...t Possible Causes Fuel pressure problem with engine Fuel pressure sensor failure Fuel pressure sensor circuit shorted to ground Faulty ECM DTC 88 Fuel Pressure High Hardware Liquid Fuel Pressure and T...

Страница 141: ...gh Voltage Hardware Liquid Fuel Pressure and Temperature Sensor Enabling Conditions Key ON Set Conditions Fuel pressure feedback voltage higher than 4 90 V for longer than 1 second Corrective Action s...

Страница 142: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 132 DTC 87 Fuel Pressure Low Diagnostic Aids Chart KiSC issued 12 2016 A...

Страница 143: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 133 DTC 88 Fuel Pressure High Diagnostic Aids Chart KiSC issued 12 2016 A...

Страница 144: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 134 DTC 91 FP Fuel Pressure Low Voltage Diagnostic Aids Chart KiSC issued 12 2016 A...

Страница 145: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 135 DTC 92 FP Fuel Pressure Sensor High Voltage Diagnostic Aids Chart KiSC issued 12 2016 A...

Страница 146: ...MAP is higher than 110 kPa abs 1 1 kgf cm2 16 psia when throttle position is less than 3 and engine speed is greater than 1000 min 1 rpm Corrective Action s Illuminate MIL and disable adaptive learn...

Страница 147: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 137 DTC 107 MAP Low Voltage Diagnostic Aids Chart KiSC issued 12 2016 A...

Страница 148: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 138 DTC 108 MAP High Pressure Diagnostic Aids Chart KiSC issued 12 2016 A...

Страница 149: ...rning while the code is active Emissions related fault Possible Causes Faulty ECM no voltage on signal wire signal wire shorted to ground or sensor internally shorted DTC 113 IAT High Voltage Hardware...

Страница 150: ...ulty ECM no voltage on signal wire signal wire shorted to ground or sensor internally shorted This fault sets if the barometric pressure is lower than the minimum set pressure psia as defined in the d...

Страница 151: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 141 DTC 112 IAT Low Voltage Diagnostic Aids Chart KiSC issued 12 2016 A...

Страница 152: ...The most common cause of high inlet air temperature is a result of a problem with routing of the inlet air Ensure inlet plumbing sources are external is cool and is not too close to the exhaust at an...

Страница 153: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 143 DTC 129 BP Low Pressure Daiganostic Aids Chart KiSC issued 12 2016 A...

Страница 154: ...s active Emissions related fault Possible Causes Faulty ECM no voltage on signal wire signal wire shorted to ground or sensor internally shorted DTC 118 ECT High Voltage Hardware Engine Coolant Temper...

Страница 155: ...gher Than Expected 1 If the cooling system utilizes an air to water heat exchanger radiator and fan Check that the radiator has a proper amount of ethylene glycol water and that the radiator is not le...

Страница 156: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 146 DTC 117 ECT Low Voltage Diagnostic Aids Chart KiSC issued 12 2016 A...

Страница 157: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 147 DTC 118 ECT High Voltage Diagnostic Aids Chart KiSC issued 12 2016 A...

Страница 158: ...m radiator and hoses for cracks and ensure connections are leak free Check that the fan is operating properly Check that the thermostat is not stuck closed If the cooling system utilizes a water to wa...

Страница 159: ...es TPS1 or TPS2 out of calibration in throttle body unwanted resistance in either TPS1 or TPS2 signal circuits unwanted resistance in either the shared reference feed 5 V_ext1 or shared sensor ground...

Страница 160: ...l circuit open or shorted to ground TPS in throttle body bad ECM DTC 223 TPS2 Signal Voltage High Hardware Throttle Body Throttle Position Sensor 2 electronic throttle body only Enabling Conditions En...

Страница 161: ...be on and the engine will shut down This fault of DTC 2112 will set if the throttle command is 20 lower or more than the actual throttle position During this active fault the MIL light will be on and...

Страница 162: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 152 DTC 121 TPS1 Lower Than TPS2 Diagnostic Aids Chart KiSC issued 12 2016 A...

Страница 163: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 153 DTC 122 TPS1 Signal Voltage Low Diagnostic Aids Chart KiSC issued 12 2016 A...

Страница 164: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 154 DTC 123 TPS1 Signal Voltage High Diagnostic Aids Chart KiSC issued 12 2016 A...

Страница 165: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 155 DTC 221 TPS1 Higher Than TPS2 Diagnostic Aids Chart KiSC issued 12 2016 A...

Страница 166: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 156 DTC 222 TPS2 Signal Voltage Low Diagnostic Aids Chart KiSC issued 12 2016 A...

Страница 167: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 157 DTC 223 TPS2 Signal Voltage High Diagnostic Aids Chart KiSC issued 12 2016 A...

Страница 168: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 158 DTC 2111 Unable to Reach Lower TPS Diagnostic Aids Chart KiSC issued 12 2016 A...

Страница 169: ...S Diagnostic Aids Chart DTC 2135 TPS1 2 Simultaneous Voltages Out of Range Diagnostic Aids Troubleshoot according to TPS1 voltage out of range following DTC 122 and 123 procedures Troubleshoot accordi...

Страница 170: ...pen heater ground circuit Open or shorted to ground O2 signal wire open sensor ground 5 Vrtn1 inoperative sensor The HEGO HO2S sensor is a switching type sensor about stoichiometry that measures the o...

Страница 171: ...atalyst configuration the HEGO HO2S sensor is a switching type sensor around stoichiometry that measures the oxygen content downstream of the catalyst for two main functions 1 to compare it to the oxy...

Страница 172: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 162 DTC 134 EGO1 Open Lazy HO2S1 Diagnostic Aids Chart KiSC issued 12 2016 A...

Страница 173: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 163 DTC 154 EGO2 Open Lazy HO2S2 Diagnostic Aids Chart KiSC issued 12 2016 A...

Страница 174: ...n 3 updates see below Corrective Action s Illuminate MIL Emissions related fault Possible Causes See Diagnostic aids below and on next page DTC 172 Adaptive Learn Bank1 Low Gasoline Hardware HEGO Sens...

Страница 175: ...lowers worn cam lobes or bent pushrods To test the O2 sensor run the CL test This test tests both pre cat and post cat O2 sensor functionality DTC 171 Adaptive Learn Bank 1 High Gasoline Diagnostic Ai...

Страница 176: ...re is too high Check fuel pressure in the fuel rail during key on engine off and during normal operating conditions System Electrical Grounding ECM and engine must be grounded to the battery with very...

Страница 177: ...tive Learn fuel multiplier is to adjust fuel flow due to variations in fuel composition engine wear engine to engine build variances and component degradation This fault sets if the Adaptive multiplie...

Страница 178: ...resent diagnose those first Oxygen Sensor Wire Sensor may be mispositioned contacting the exhaust Check for short to ground between harness and sensor sense signal Vacuum Leaks Large vacuum leaks and...

Страница 179: ...nd in signal circuit causing circuit to indicate a very cold temp below 37 C 35 F but not high enough to set a high voltage fault The Fuel Temperature sensor is a thermistor temperature sensitive resi...

Страница 180: ...ermistor temperature sensitive resistor integrated into the fuel pressure located in the fuel supply line between the fuel pump and the fuel rail It is used to monitor the fuel temperature exiting the...

Страница 181: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 171 DTC 182 Fuel Temp Gasoline Low Voltage Low Temp Diagnostic Aids Chart Low Voltage Low Temp KiSC issued 12 2016 A...

Страница 182: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 172 Diagnostic Aids Chart Low Voltage Low Temp KiSC issued 12 2016 A...

Страница 183: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 173 DTC 183 Fuel Temp Gasoline High Voltage High Temp Diagnostic Aids Chart KiSC issued 12 2016 A...

Страница 184: ...te MIL Non emissions related fault Possible Causes Engine over speed condition stuck throttle large vacuum leak into intake manifold after throttle blade DTC 1111 RPM Above Fuel Rev Limit Level Hardwa...

Страница 185: ...overnor speeds programmed by the user This fault is designed to help prevent engine or equipment damage and will disable the ignition coils to reduce engine speed In addition the throttle will be lowe...

Страница 186: ...ctor Driver 1 Short To Power DTC 265 Injector Driver 2 Short To Power DTC 268 Injector Driver 3 Short To Power DTC 271 Injector Driver 4 Short To Power Hardware Each Injector Driver each cylinder in t...

Страница 187: ...E3 DM 1 177 DTC 261 Injector Driver 1 Open Short To Ground DTC 264 Injector Driver 2 Open Short To Ground DTC 267 Injector Driver 3 Open Short To Ground DTC 270 Injector Driver 4 Open Short To Ground...

Страница 188: ...E3 WG1605 GL E3 DM 1 178 DTC 262 Injector Driver 1 Short To Power DTC 265 Injector Driver 2 Short To Power DTC 268 Injector Driver 3 Short To Power DTC 271 Injector Driver 4 Short To Power Diagnostic...

Страница 189: ...ult sets spark is lowered by the amount defined in calibration for Faulted KNK Retard DTC 327 Knock 1 Sensor Open or Not Present Hardware Knock sensor 1 Enabling Conditions Key On Engine On Set Condit...

Страница 190: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 180 DTC 326 Knock 1 Excessive or Erratic Signal Diagnostic Aids Chart KiSC issued 12 2016 A...

Страница 191: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 181 DTC 327 Knock 1 Sensor Open or Not Present Diagnostic Aids Chart KiSC issued 12 2016 A...

Страница 192: ...elated fault Possible Causes Physically damaged catalyst element contaminated catalyst element or post catalyst oxygen sensor signal circuit shorted to pre catalyst oxygen sensor signal circuit DTC 11...

Страница 193: ...faulty ECM The ECM can be configured to monitor oil pressure through a switch Oil pressure monitoring is important to prevent engine damage due to low oil pressure resulting in higher friction and la...

Страница 194: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 184 DTC 524 Oil Pressure Low Diagnostic Aids Chart KiSC issued 12 2016 A...

Страница 195: ...Corrective Action s Illuminate MIL and disable fuel adaptive learn for remainder of key cycle Non emissions related fault Possible Causes Charging system overcharging The battery voltage powers the EC...

Страница 196: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 186 DTC 562 Battery Voltage VBat Low Diagnostic Aids Chart KiSC issued 12 2016 A...

Страница 197: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 187 DTC 563 Battery Voltage VBat High Diagnostic Aids Chart KiSC issued 12 2016 A...

Страница 198: ...Action s Illuminate MIL disable fuel adaptive learn for remainder of key cycle activate power derate 2 and never forget code code must be manually erased by technician with a DST Non emissions relate...

Страница 199: ...arn disabled and power derate 2 while code is active fault remembered until fault is cleared manually with a scan tool Non emissions related fault Possible Causes Faulty ECM The ECM has checks that mu...

Страница 200: ...dware Engine Control Module Enabling Conditions Key on Set Conditions Internal microprocessor error Corrective Action s MIL On fuel adaptive learn disabled and power derate 2 while code is active faul...

Страница 201: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 191 DTC 601 Microprocessor Failure FLASH Diagnostic Aids Chart KiSC issued 12 2016 A...

Страница 202: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 192 DTC 604 Microprocessor Failure RAM Diagnostic Aids Chart KiSC issued 12 2016 A...

Страница 203: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 193 DTC 606 Microprocessor Failure COP Diagnostic Aids Chart KiSC issued 12 2016 A...

Страница 204: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 194 DTC 1612 Microprocessor Failure RTI 1 Diagnostic Aids Chart KiSC issued 12 2016 A...

Страница 205: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 195 DTC 1613 Microprocessor Failure RTI 2 Diagnostic Aids Chart KiSC issued 12 2016 A...

Страница 206: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 196 DTC 1614 Microprocessor Failure RTI 3 Diagnostic Aids Chart KiSC issued 12 2016 A...

Страница 207: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 197 DTC 1615 Microprocessor Failure A D Diagnostic Aids Chart KiSC issued 12 2016 A...

Страница 208: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 198 DTC 1616 Microprocessor Failure nterrupt Diagnostic Aids Chart KiSC issued 12 2016 A...

Страница 209: ...uel Pump Relay Ground Short J1939 SPN 1348 FMI 4 Hardware Fuel Pump Relay Pull in Coil Enabling Conditions Engine Running Set Conditions Fuel Pump relay coil output shorted to ground for more than 10...

Страница 210: ...ve Action s Illuminate MIL Non emissions related Possible Causes The ECM has auxiliary low side drivers that can turn on warning devices or ground electromagnetic relay coils to control power to devic...

Страница 211: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 201 DTC 627 Fuel Pump Relay Coil Open Diagnostic Aids Chart KiSC issued 12 2016 A...

Страница 212: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 202 DTC 628 Fuel Pump Relay Ground Short Diagnostic Aids Chart KiSC issued 12 2016 A...

Страница 213: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 203 DTC 629 Fuel Pump Relay Coil Short To Power Diagnostic Aids Chart KiSC issued 12 2016 A...

Страница 214: ...le fuel adaptive learn while code is active Non emissions related fault Possible Causes 5 Vext1 circuit shorted to 12 0 V in wire harness DTC 652 Sensor Supply Voltage 2 Low 5 Vext2 Hardware External...

Страница 215: ...stall due to loss of synchronization The external 5 volt supply powers sensors and other components in the engine control system The accuracy of this supply is critical to the accuracy of the sensors...

Страница 216: ...STEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 206 DTC 642 Sensor Supply Voltage 1 Low 5 Vext1 Diagnostic Aids Chart DTC 643 Sensor Supply Voltage 1 High 5 Vext1 Diagnostic Aids Chart KiSC issued 12 2...

Страница 217: ...STEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 207 DTC 652 Sensor Supply Voltage 2 Low 5 Vext2 Diagnostic Aids Chart DTC 653 Sensor Supply Voltage 2 High 5 Vext2 Diagnostic Aids Chart KiSC issued 12 2...

Страница 218: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 208 DTC 1611 Sensor Supply Voltage 5 Vext1 2 Simultaneous out of range Daiganostic Aids Chart KiSC issued 12 2016 A...

Страница 219: ...l in Coil Enabling Conditions Key On Engine Off Set Conditions Power relay coil output short to power voltage Corrective Action s Illuminate MIL Non emissions related fault Possible Causes Shorted rel...

Страница 220: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 210 DTC 686 Power Relay Ground Short Diagnostic Aids Chart KiSC issued 12 2016 A...

Страница 221: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 211 DTC 687 Power Relay Coil Short To Power Diagnostic Aids Chart KiSC issued 12 2016 A...

Страница 222: ...ditions Closed Loop fuel multiplier higher than 35 for longer than 5 updates Corrective Action s Illuminate MIL Emissions related fault DTC 1152 Closed Loop Low LPG DTC 1154 Closed Loop Low NG DTC 115...

Страница 223: ...earn table and may be configured to disable closed loop The fault of DTC 1155 sets if the closed loop multiplier exceeds the high limit of normal operation indicating that the engine is operating lean...

Страница 224: ...ring normal operating conditions Air in Fuel If the fuel return hose line is too close to the fuel supply pickup in the fuel tank air may become entrapped in the pump or supply line causing a lean con...

Страница 225: ...pressure to the gaseous fuel mixer The DEPR allows for very fast and very accurate gaseous fuel control to provide a combustible mixture to the engine The fourth generation of EControls gaseous fuel c...

Страница 226: ...FV Enabling Conditions Engine Running Set Conditions Internal Actuator Fault detected Corrective Action s Illuminate MIL AL disable Emissions related fault Possible Causes Short or open circuit in act...

Страница 227: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 217 DTC 1171 EPR CFV Regulation Pressure Higher than Expected Daiganostic Aids Chart KiSC issued 12 2016 A...

Страница 228: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 218 DTC 1172 EPR CFV Regulation Pressure Lower than Expected Daiganostic Aids Chart KiSC issued 12 2016 A...

Страница 229: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 219 DTC 1173 EPR CFV Comm Lost Daiganostic Aids Chart KiSC issued 12 2016 A...

Страница 230: ...w rev limit Forced idle Non emissions related fault Possible Causes This fault is only applicable with sensors that incorporate dual potentiometer and indicates that FPP1 and FPP2 voltages are out of...

Страница 231: ...Corrective Action s Illuminate MIL activate low rev limit Non emissions related fault Possible Causes Loss of 5 V supply FPP1 signal circuit open or shorted to ground faulty FPP faulty ECM DTC 2128 FP...

Страница 232: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 222 DTC 2121 FPP1 Lower Than FPP2 Daiganostic Aids Chart KiSC issued 12 2016 A...

Страница 233: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 223 DTC 2126 FPP1 Higher Than FPP2 Daiganostic Aids Chart KiSC issued 12 2016 A...

Страница 234: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 224 DTC 2122 FPP1 Voltage High Diagnostic Aids Chart KiSC issued 12 2016 A...

Страница 235: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 225 DTC 2127 FPP1 Voltage High Diagnostic Aids Chart KiSC issued 12 2016 A...

Страница 236: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 226 DTC 2123 FPP1 Voltage Low Diagnostic Aids Chart KiSC issued 12 2016 A...

Страница 237: ...ECM SYSTEM WG1605 G E3 WG1605 L E3 WG1605 GL E3 DM 1 227 DTC 2128 FPP2 Voltage Low Diagnostic Aids Chart KiSC issued 12 2016 A...

Страница 238: ...ater than 14 ms and battery voltage is greater than 11 0 V The purpose of these faults is to detect a short to ground or open circuit in the harness or an open internal to the primary coil DTC 2301 Sp...

Страница 239: ...229 DTC 2300 Spark Coil 1 Primary Open Short to Ground DTC 2303 Spark Coil 2 Primary Open Short to Ground DTC 2306 Spark Coil 3 Primary Open Short to Ground DTC 2309 Spark Coil 4 Primary Open Short t...

Страница 240: ...5 GL E3 DM 1 230 DTC 2301 Spark Coil 1 Primary Short to Power DTC 2304 Spark Coil 2 Primary Short to Power DTC 2307 Spark Coil 3 Primary Short to Power DTC 2310 Spark Coil 4 Primary Short to Power Dia...

Страница 241: ...International Service Department 64 Ishizu Kitamachi Sakai Ku Sakai City Osaka 590 0823 Japan Phone Address 72 241 1129 Fax 81 81 72 245 2484 E mail ks_g ksos pub kubota com 2011 12 S EI EI engusa Pri...

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