Isuzu engine C22NE / 22LE / 20LE. Manual - part 45

DRIVEABILITY AND EMISSIONS  6E1-9

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Test Description...................................................................................................... 6E1-161

DTC (Flash DTC=16) KS Sensor Disconnected Malfunction ................................... 6E1-162

DIAGNOSTIC TROUBLE CODE (DTC) (Flash DTC=18)

DIGITALLY CONTROLED SIGNAL TO NOISE

ENHANCEMENT FILTER FAILURE............................................................................. 6E1-165

Circuit Description.................................................................................................. 6E1-165

Conditions for Setting the DTC.............................................................................. 6E1-165

Action Taken When the DTC Sets ......................................................................... 6E1-165

Conditions for Clearing the MIL/DTC .................................................................... 6E1-165

Diagnostic Aids....................................................................................................... 6E1-165

Test Description...................................................................................................... 6E1-165

DTC (Flash DTC=18) Digitally Controled Signal To Noise

Enhancement Filter Failure ........................................................................................ 6E1-166

DIAGNOSTIC TROUBLE CODE (DTC) (Flash DTC=19)

CRANKSHAFT POSITION(CKP) SENSOR SIGNAL INCORRECT ............................. 6E1-169

Circuit Description.................................................................................................. 6E1-169

Conditions for Setting the DTC.............................................................................. 6E1-169

Action Taken When the DTC Sets ......................................................................... 6E1-169

Conditions for Clearing the MIL/DTC .................................................................... 6E1-169

Diagnostic Aids....................................................................................................... 6E1-169

DTC (Flash DTC=19) Crankshaft Position (CKP) Sensor Signal Incorrect ............. 6E1-170

DIAGNOSTIC TROUBLE CODE (DTC) (Flash DTC=24)

VEHICLE SPEED SENSOR (VSS) FAULT .................................................................. 6E1-171

Circuit Description.................................................................................................. 6E1-171

Conditions for Setting the DTC.............................................................................. 6E1-171

Action Taken When the DTC Sets ......................................................................... 6E1-171

Conditions for Clearing the MIL/DTC .................................................................... 6E1-171

Diagnostic Aids....................................................................................................... 6E1-172

DTC (Flash DTC=24) Vehicle Speed Sensor (VSS) Fault ......................................... 6E1-172

DIAGNOSTIC TROUBLE CODE (DTC) (Flash DTC=33)

MANIFOLD ABSOLUTE PRESSURE (MAP) TOO HIGH............................................. 6E1-173

Circuit Description.................................................................................................. 6E1-173

Conditions for Setting the DTC.............................................................................. 6E1-173

Action Taken When the DTC Sets ......................................................................... 6E1-173

6E1-10  DRIVEABILITY AND EMISSIONS

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Conditions for Clearing the MIL/DTC .................................................................... 6E1-173

Diagnostic Aids....................................................................................................... 6E1-174

DTC (Flash DTC=33) Manifold Absolute Pressure (MAP) Too High ........................ 6E1-174

DIAGNOSTIC TROUBLE CODE (DTC) (Flash DTC=34)

MANIFOLD ABSOLUTE PRESSURE (MAP) TOO LOW ............................................. 6E1-177

Circuit Description.................................................................................................. 6E1-177

Conditions for Setting the DTC.............................................................................. 6E1-177

Action Taken When the DTC Sets ......................................................................... 6E1-177

Conditions for Clearing the MIL/DTC .................................................................... 6E1-177

Diagnostic Aids....................................................................................................... 6E1-178

DTC (Flash DTC=34) Manifold Absolute Pressure (MAP) Too Low......................... 6E1-178

DIAGNOSTIC TROUBLE CODE (DTC) (Flash DTC=49)

SYSTEM VOLTAGE HIGH............................................................................................ 6E1-181

Circuit Description.................................................................................................. 6E1-181

Conditions for Setting the DTC.............................................................................. 6E1-181

Action Taken When the DTC Sets ......................................................................... 6E1-181

Conditions for Clearing the MIL/DTC .................................................................... 6E1-181

Diagnostic Aids....................................................................................................... 6E1-181

DTC (Flash DTC=49) System Voltage High ............................................................... 6E1-182

DIAGNOSTIC TROUBLE CODE (DTC) (Flash DTC=69)

INTAKE AIR TEMPERATURE (IAT) SENSOR TOO HIGH .......................................... 6E1-183

Circuit Description.................................................................................................. 6E1-183

Conditions for Setting the DTC.............................................................................. 6E1-183

Action Taken When the DTC Sets ......................................................................... 6E1-183

Conditions for Clearing the MIL/DTC .................................................................... 6E1-183

Diagnostic Aids....................................................................................................... 6E1-183

Test Description...................................................................................................... 6E1-184

Intake Air Temperature Sensor.............................................................................. 6E1-184

DTC (Flash DTC=69) Intake Air Temperature (IAT) Sensor Too High ..................... 6E1-184

DIAGNOSTIC TROUBLE CODE (DTC) (Flash DTC=71)

INTAKE AIR TEMPERATURE (IAT) SENSOR TOO LOW........................................... 6E1-187

Circuit Description.................................................................................................. 6E1-187

Conditions for Setting the DTC.............................................................................. 6E1-187

Action Taken When the DTC Sets ......................................................................... 6E1-187

DRIVEABILITY AND EMISSIONS  6E1-11

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Conditions for Clearing the MIL/DTC .................................................................... 6E1-187

Diagnostic Aids....................................................................................................... 6E1-188

Test Description...................................................................................................... 6E1-188

Intake Air Temperature Sensor.............................................................................. 6E1-188

DTC (Flash DTC=71) Intake Air Temperature (IAT) Sensor Too Low ...................... 6E1-188

DIAGNOSTIC TROUBLE CODE (DTC) (Flash DTC=17)

INJECTOR CIRCUIT MALFUNCTION.......................................................................... 6E1-191

Circuit Description.................................................................................................. 6E1-191

Conditions for Setting the DTC.............................................................................. 6E1-191

Action Taken When the DTC Sets ......................................................................... 6E1-191

Conditions for Clearing the MIL/DTC .................................................................... 6E1-191

Diagnostic Aids....................................................................................................... 6E1-191

Test Description...................................................................................................... 6E1-192

DTC (Flash DTC=17) Injector Circuit Malfunction

(Repeat Following Steps for each injector if necessary) ......................................... 6E1-192

DIAGNOSTIC TROUBLE CODE (DTC) (Flash DTC=41)

IGNITION COIL DRIVER "B" SHORT TO BATTERY .................................................. 6E1-195

Circuit Description.................................................................................................. 6E1-195

Conditions for Setting the DTC.............................................................................. 6E1-195

Action Taken When the DTC Sets ......................................................................... 6E1-195

Conditions for Clearing the MIL/DTC .................................................................... 6E1-195

Diagnostic Aids....................................................................................................... 6E1-196

DTC (Flash DTC=41) Ignition Coil Driver"B" Short To Battery ................................ 6E1-196

DIAGNOSTIC TROUBLE CODE (DTC) (Flash DTC=42)

IGNITION COIL DRIVER "A" SHORT TO BATTERY .................................................. 6E1-197

Circuit Description.................................................................................................. 6E1-197

Conditions for Setting the DTC.............................................................................. 6E1-197

Action Taken When the DTC Sets ......................................................................... 6E1-197

Conditions for Clearing the MIL/DTC .................................................................... 6E1-197

Diagnostic Aids....................................................................................................... 6E1-198

DTC (Flash DTC=42) Ignition Coil Driver"A" Short To Battery ................................ 6E1-198

DIAGNOSTIC TROUBLE CODE (DTC) (Flash DTC=63)

IGNITION COIL DRIVER "B" SHORT TO GROUND ................................................... 6E1-199

Circuit Description.................................................................................................. 6E1-199

6E1-12  DRIVEABILITY AND EMISSIONS

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Conditions for Setting the DTC.............................................................................. 6E1-199

Action Taken When the DTC Sets ......................................................................... 6E1-199

Conditions for Clearing the MIL/DTC .................................................................... 6E1-199

Diagnostic Aids....................................................................................................... 6E1-200

DTC (Flash DTC=63) Ignition Coil Driver"B" Short To Ground ............................... 6E1-200

DIAGNOSTIC TROUBLE CODE (DTC) (Flash DTC=64)

IGNITION COIL DRIVER "A" SHORT TO GROUND ................................................... 6E1-201

Circuit Description.................................................................................................. 6E1-201

Conditions for Setting the DTC.............................................................................. 6E1-201

Action Taken When the DTC Sets ......................................................................... 6E1-201

Conditions for Clearing the MIL/DTC .................................................................... 6E1-201

Diagnostic Aids....................................................................................................... 6E1-201

DTC (Flash DTC=64) Ignition Coil Driver"A" Short To Ground................................ 6E1-202

DIAGNOSTIC TROUBLE CODE (DTC) (Flash DTC=35)

IDLE AIR CONTROL (IAC) ERROR ............................................................................. 6E1-203

Circuit Description.................................................................................................. 6E1-203

Conditions for Setting the DTC.............................................................................. 6E1-203

Action Taken When the DTC Sets ......................................................................... 6E1-204

Conditions for Clearing the MIL/DTC .................................................................... 6E1-204

Diagnostic Aids....................................................................................................... 6E1-204

Test Description...................................................................................................... 6E1-204

DTC (Flash DTC=35) Idle Air Control (IAC) Error ...................................................... 6E1-205

DIAGNOSTIC TROUBLE CODE (DTC) 56 (Flash DTC=56)

CHECK ENGINE LAMP LOW ERROR......................................................................... 6E1-207

Circuit Description.................................................................................................. 6E1-207

Conditions for Setting the DTC.............................................................................. 6E1-207

Action Taken When the DTC sets.......................................................................... 6E1-207

Conditions for Clearing the DTC ........................................................................... 6E1-207

Diagnostic Aids....................................................................................................... 6E1-208

Test Description...................................................................................................... 6E1-208

DTC (Flash DTC=56) Check Engine Lamp Low Error............................................... 6E1-208

DIAGNOSTIC TROUBLE CODE (DTC) 57 (Flash DTC=57)

CHECK ENGINE LAMP HIGH ERROR ........................................................................ 6E1-211

Circuit Description.................................................................................................. 6E1-211