Isuzu KB P190. Manual — part 543

6E–2

ENGINE DRIVEABILITY AND EMISSIONS

5e. Vehicle Operates as Designed . . .

6E-65

6. Re-examine the complaint . . . . . .

6E-66

7. Repair and Verify Fix . . . . . . . .

6E-66

GENERAL SERVICE INFORMATION . . ..

6E-67

On-Board Diagnostic (OBD) . . . . . ..

6E-68

On-Board Diagnostic Tests . . . . . ...

6E-68

The Diagnostic Executive . . . . . . ..

6E-68

Diagnostic Information . . . . . . . ...

6E-68

Check Engine Lamp . . . . . . . . ..

6E-68

Data Link Connector (DLC) . . . . . ...

6E-68

Tech 2 Operating Flow Cart (Start Up) . ..

6E-70

TYPICAL SCAN DATA & DEFINITIONS

(ENGINE DATA) . . . . . . . . . . .

6E-72

TYPICAL SCAN DATA & DEFINITIONS

(O2 SENSOR DATA) . . . . . . . . ..

6E-74

MISCELLANEOUS TEST . . . . . . . .

6E-76

PLOTTING SNAPSHOT GRAPH . . . . .

6E-78

Plotting Graph Flow Chart (Plotting graph after

obtaining vehicle information) . . . . ..

6E-79

Flow Chart for Snapshot Replay

(Plotting Graph) . . . . . . . . . ...

6E-80

SNAPSHOT DISPLAY WITH TIS2000 . . .

6E-81

ON-BOARD DIAGNOSTIC (OBD) SYSTEM CHECK

6E-98

Circuit Description . . . . . . . . . . .

6E-90

Diagnostic Aids . . . . . . . . . . . .

6E-90

Test Description . . . . . . . . . . .

6E-90

ON-BOARD DIAGNOSTIC (OBD) SYSTEM

CHECK . . . . . . . . . . . . .

6E-91

NO CHECK ENGINE LAMP (MIL) . . . .

6E-94

Circuit Description . . . . . . . . . .

6E-94

Diagnostic Aids . . . . . . . . . . ..

6E-94

No Check Engine Lamp (MIL) . . . . ...

6E-94

CHECK ENGINE LAMP (MIL) “ON” STEADY

6E-96

Circuit description . . . . . . . . . ..

6E-96

Diagnostic Aids . . . . . . . . . . ..

6E-96

Check Engine Lamp (MIL) “ON” Steady .

6E-96

FUEL METERING SYSTEM CHECK . . ...

6E-98

FUEL INJECTOR COIL TEST PROCEDURE

AND FUEL INJECTOR BALANCE TEST
PROCEDURE . . . . . . . . . . . .

6E-98

Test Description . . . . . . . . . . .

6E-98

Injector Coil Test Procedure (Steps 1-6)

and Injector Balance Test Procedure
(Steps 7-11) . . . . . . . . . . . .

6E-99

Injector Coil Test Procedure (Steps 1-6)

and Injector Balance Test Procedure
(Steps 7-11) . . . . . . . . . . . .

6E-100

FUEL SYSTEM ELECTRICAL TEST . . ...

6E-103

Circuit Description . . . . . . . . . .

6E-103

Diagnostic Aids . . . . . . . . . . ..

6E-104

Fuel Pressure Relief Procedure . . . . .

6E-104

Fuel Pressure Gauge Installation . . . ..

6E-104

Fuel System Electrical Test . . . . . ...

6E-104

FUEL SYSTEM DIAGNOSIS . . . . . .

6E-108

Circuit Description . . . . . . . . . ..

6E-108

Test Description . . . . . . . . . . .

6E-108

Fuel Pressure Relief Procedure . . . . .

6E-109

Fuel Pressure Gauge Installation . . . ..

6E-109

Fuel System Diagnosis . . . . . . . ..

6E-110

ECM DIAGNOSTIC TROUBLE CODES (DTC) 6E-113

DIAGNOSTIC TROUBLE CODE (DTC) P0107

MANIFOLD ABSOLUTE PRESSURE
CIRCUIT LOW INPUT . . . . . . . .

6E-119

Circuit Description . . . . . . . . . ..

6E-119

Diagnostic Aids . . . . . . . . . . ..

6E-119

Diagnostic Trouble Code (DTC) P0107

Manifold Absolute Pressure Circuit Low
Input . . . . . . . . . . . . . . .

6E-120

DIAGNOSTIC TROUBLE CODE (DTC) P0108

MANIFOLD ABSOLUTE PRESSURE
CIRCUIT HIGH INPUT . . . . . . . ...

6E-123

Circuit Description . . . . . . . . . ..

6E-123

Diagnostic Aids . . . . . . . . . . ..

6E-124

Diagnostic Trouble Code (DTC) P0108

Manifold Absolute Pressure Circuit High
Input . . . . . . . . . . . . . . .

6E-124

DIAGNOSTIC TROUBLE CODE (DTC) P0112

INTAKE AIR TEMPERATURE SENSOR LOW
INPUT . . . . . . . . . . . . . . .

6E-127

Circuit Description . . . . . . . . . ..

6E-127

Diagnostic Aids . . . . . . . . . . ..

6E-127

Diagnostic Trouble Code (DTC) P0112

Intake Air Temperature Sensor Low Input

6E-128

DIAGNOSTIC TROUBLE CODE (DTC) P0113

INTAKE AIR TEMPERATURE SENSOR HIGH
INPUT . . . . . . . . . . . . . . .

6E-131

Circuit Description . . . . . . . . . ..

6E-131

Diagnostic Aids . . . . . . . . . . ..

6E-131

Diagnostic Trouble Code (DTC) P0113

Intake Air Temperature Sensor High Input

6E-132

DIAGNOSTIC TROUBLE CODE (DTC) P0117

ENGINE COOLANT TEMPERATURE
SENSOR LOW INPUT . . . . . . . .

6E-136

Circuit Description . . . . . . . . . ..

6E-136

Diagnostic Aids . . . . . . . . . . ..

6E-136

Diagnostic Trouble Code (DTC) P0117

Engine Coolant Temperature Sensor Low
Input . . . . . . . . . . . . . . .

6E-137

DIAGNOSTIC TROUBLE CODE (DTC) P0118

ENGINE COOLANT TEMPERATURE
SENSOR HIGH INPUT . . . . . . . ...

6E-139

Circuit Description . . . . . . . . . ..

6E-139

ENGINE DRIVEABILITY AND EMISSIONS

6E–3

Diagnostic Aids . . . . . . . . . . ..

6E-139

Diagnostic Trouble Code (DTC) P0118

Engine Coolant Temperature Sensor High
Input . . . . . . . . . . . . . . .

6E-140

DIAGNOSTIC TROUBLE CODE (DTC) P0122

THROTTLE POSITION SENSOR LOW
INPUT . . . . . . . . . . . . . . .

6E-143

Circuit Description . . . . . . . . . .

6E-143

Diagnostic Aids . . . . . . . . . . ..

6E-143

Diagnostic Trouble Code (DTC) P0122 Throttle

Position Sensor Low Input . . . . . ...

6E-144

DIAGNOSTIC TROUBLE CODE (DTC) P0123

THROTTLE POSITION SENSOR HIGH
INPUT . . . . . . . . . . . . . ..

6E-147

Circuit Description . . . . . . . . . .

6E-147

Diagnostic Aids . . . . . . . . . . ..

6E-147

Diagnostic Trouble Code (DTC) P0123 Throttle

Position Sensor High Input . . . . . ..

6E-148

DIAGNOSTIC TROUBLE CODE (DTC) P0131

O

2

SENSOR CIRCUIT LOW VOLTAGE

(BANK 1 SENSOR 1) . . . . . . . . .

6E-150

Circuit Description . . . . . . . . . .

6E-150

Diagnostic Aids . . . . . . . . . . ..

6E-150

Diagnostic Trouble Code (DTC) P0131

O

2

Sensor Circuit Low Voltage (Bank 1 Sensor 1)

6E-160

DIAGNOSTIC TROUBLE CODE (DTC) P0132 O

2

SENSOR CIRCUIT HIGH VOLTAGE (BANK 1
SENSOR 1) . . . . . . . . . . . .

6E-155

Circuit Description . . . . . . . . . .

6E-155

Diagnostic Aids . . . . . . . . . . ..

6E-155

Diagnostic Trouble Code (DTC) P0132

O

2

Sensor Circuit High Voltage

(Bank 1 Sensor 1) . . . . . . . . .

6E-156

DIAGNOSTIC TROUBLE CODE (DTC) P0134

O

2

SENSOR NO ACTIVITY DEFECTED

(BANK 1 SENSOR 1) . . . . . . . . .

6E-159

Circuit Description . . . . . . . . . .

6E-159

Diagnostic Aids . . . . . . . . . . ..

6E-160

Diagnostic Trouble Code (DTC) P0134

O

2

Sensor Circuit No Activity Detected

(Bank 1 Sensor 1) . . . . . . . . .

6E-160

DIAGNOSTIC TROUBLE CODE (DTC) P0135

O

2

SENSOR HEATER CIRCUIT

(BANK 1 SENSOR 1) . . . . . . . . .

6E-163

Circuit Description . . . . . . . . . .

6E-163

Diagnostic Aids . . . . . . . . . . ..

6E-164

Diagnostic Trouble Code (DTC) P0135

O

2

Sensor Heater Circuit (Bank 1 Sensor 1) 6E-164

DIAGNOSTIC TROUBLE CODE (DTC) P0201

INJECTOR 1 CONTROL CIRCUIT . . . .

6E-167

DIAGNOSTIC TROUBLE CODE (DTC) P0202

INJECTOR 2 CONTROL CIRCUIT . . . .

6E-167

DIAGNOSTIC TROUBLE CODE (DTC) P0203

INJECTOR 3 CONTROL CIRCUIT . . . .

6E-167

DIAGNOSTIC TROUBLE CODE (DTC) P0204

INJECTOR 4 CONTROL CIRCUIT . . . .

6E-167

Circuit Description . . . . . . . . . ..

6E-167

Diagnostic Aids . . . . . . . . . . ..

6E-168

Diagnostic Trouble Code (DTC) P0201

Injector 1 Control Circuit . . . . . . ..

6E-168

Diagnostic Trouble Code (DTC) P0202

Injector 2 Control Circuit . . . . . . ..

6E-168

Diagnostic Trouble Code (DTC) P0203

Injector 3 Control Circuit . . . . . . ..

6E-168

Diagnostic Trouble Code (DTC) P0204

Injector 4 Control Circuit . . . . . . ..

6E-168

DIAGNOSTIC TROUBLE CODE (DTC) P0325

KNOCK SENSOR (KS) MODULE CIRCUIT

6E-174

Circuit Description . . . . . . . . . ..

6E-174

Diagnostic Aids . . . . . . . . . . ..

6E-174

Diagnostic Trouble Code (DTC) P0325

Knock
Sensor Module Circuit . . . . . . . .

6E-174

DIAGNOSTIC TROUBLE CODE (DTC) P0327

KNOCK SENSOR (KS) CIRCUIT . . . ...

6E-177

Circuit Description . . . . . . . . . ..

6E-177

Diagnostic Aids . . . . . . . . . . ..

6E-177

Diagnostic Trouble Code (DTC) P0327

Knock Sensor Circuit . . . . . . . ...

6E-178

DIAGNOSTIC TROUBLE CODE (DTC) P0336

CRANKSHAFT POSITION (CKP) SENSOR
CIRCUIT RANGE/PERFORMANCE (58X) .

6E-180

DIAGNOSTIC TROUBLE CODE (DTC) P0337

CRANKSHAFT POSITION (CKP) SENSOR
CIRCUIT LOW INPUT (58X) . . . . . ..

6E-180

Circuit Description . . . . . . . . . ..

6E-180

Diagnostic Aids . . . . . . . . . . ..

6E-181

Diagnostic Trouble Code (DTC) P0336

Crankshaft Position Sensor Circuit
Range/performance (58x) . . . . . .

6E-181

Diagnostic Trouble Code (DTC) P0337

Crankshaft Position Sensor Circuit Low
Input (58x) . . . . . . . . . . . ...

6E-181

DIAGNOSTIC TROUBLE CODE (DTC) P0351

IGNITION 1 CONTROL CIRCUIT . . . ...

6E-186

DIAGNOSTIC TROUBLE CODE (DTC) P0352

IGNITION 2 CONTROL CIRCUIT . . . ...

6E-186

Circuit Description . . . . . . . . . ..

6E-186

Diagnostic Aids . . . . . . . . . . ..

6E-186

Diagnostic Trouble Code (DTC) P0351

Ignition 1 Control Circuit . . . . . . ..

6E-187

Diagnostic Trouble Code (DTC) P0352

Ignition 2 Control Circuit . . . . . . ..

6E-187

6E–4

ENGINE DRIVEABILITY AND EMISSIONS

DIAGNOSTIC TROUBLE CODE (DTC) P0443

EVAPORATIVE (EVAP) EMISSION CONTROL
SYSTEM PURGE CONTROL CIRCUIT . .

6E-191

Circuit Description . . . . . . . . . .

6E-191

Diagnostic Aids . . . . . . . . . . ..

6E-191

Diagnostic Trouble Code (DTC) P0443

EVAP Emission Control System Purge
Control Circuit . . . . . . . . . . ..

6E-192

DIAGNOSTIC TROUBLE CODE (DTC) P0502

VEHICLE SPEED SENSOR (VSS) CIRCUIT
LOW INPUT . . . . . . . . . . . .

6E-195

Circuit Description . . . . . . . . . .

6E-195

Diagnostic Aids . . . . . . . . . . ..

6E-195

Diagnostic Trouble Code (DTC) P0502

Vehicle Speed Sensor Circuit Low Input .

6E-196

DIAGNOSTIC TROUBLE CODE (DTC) P0562

SYSTEM VOLTAGE LOW . . . . . . ..

6E-202

Circuit Description . . . . . . . . . .

6E-202

Diagnostic Aids . . . . . . . . . . ..

6E-202

Diagnostic Trouble Code (DTC) P0562 System

Voltage Low . . . . . . . . . . . .

6E-202

DIAGNOSTIC TROUBLE CODE (DTC) P0563

SYSTEM VOLTAGE HIGH . . . . . . .

6E-204

Circuit Description . . . . . . . . . .

6E-204

Diagnostic Aids . . . . . . . . . . ..

6E-204

Diagnostic Trouble Code (DTC) P0563 System

Voltage High . . . . . . . . . . .

6E-204

DIAGNOSTIC TROUBLE CODE (DTC) P0601

ECM MEMORY CHECKSUM . . . . . .

6E-206

Circuit Description . . . . . . . . . .

6E-206

Diagnostic Aids . . . . . . . . . . ..

6E-206

Diagnostic Trouble Code (DTC) P0601 ECM

Memory Checksum . . . . . . . . ..

6E-206

DIAGNOSTIC TROUBLE CODE (DTC) P0602

ECU PROGRAMMING ERROR . . . . .

6E-207

Circuit Description . . . . . . . . . .

6E-207

Diagnostic Aids . . . . . . . . . . ..

6E-207

Diagnostic Trouble Code (DTC) P0602 ECU

Programming Error . . . . . . . . ..

6E-207

DTC P0650 MALFUNCTION INDICATOR LAMP

(MIL) CONTOROL CIRCUIT MALFUNCTION 6E-208

Circuit Description . . . . . . . . . .

6E-208

Diagnostic Aids . . . . . . . . . . ..

6E-208

Diagnostic Trouble Code (DTC) P0650

Malfunction Indicator Lamp (MIL) Control
Circuit Malfunction . . . . . . . . ...

6E-209

DIAGNOSTIC TROUBLE CODE (DTC) P1167

FUEL SUPPLY SYSTEM RICH DURING
DECELERATION FUEL CUT OFF . . . .

6E-211

Circuit Description . . . . . . . . . .

6E-211

Diagnostic Aids . . . . . . . . . . ..

6E-211

Diagnostic Trouble Code (DTC) P1167

Fuel Supply System Rich During
Deceleration Fuel Cutoff . . . . . . ..

6E-212

DIAGNOSTIC TROUBLE CODE (DTC) P1171

FUEL SUPPLY SYSTEM LEAN DURING
POWER ENRICHMENT . . . . . . . .

6E-214

Circuit Description . . . . . . . . . ..

6E-214

Diagnostic Aids . . . . . . . . . . ..

6E-215

Diagnostic Trouble Code (DTC) P1171

Fuel Supply System Lean During Power
Enrichment . . . . . . . . . . . ..

6E-215

DIAGNOSTIC TROUBLE CODE (DTC) P1625

ECM SYSTEM RESET . . . . . . . ...

6E-217

Circuit Description . . . . . . . . . ..

6E-217

Diagnostic Aids . . . . . . . . . . ..

6E-217

Diagnostic Trouble Code (DTC) P1625 ECM

System Reset . . . . . . . . . . ..

6E-217

DIAGNOSTIC TROUBLE CODE (DTC) P1626

IMMOBILIZER NO SIGNAL . . . . . .

6E-218

Circuit Description . . . . . . . . . ..

6E-218

Diagnostic Aids . . . . . . . . . . ..

6E-218

Diagnostic Trouble Code (DTC) P1626

Immobilizer No Signal . . . . . . . ..

6E-219

DIAGNOSTIC TROUBLE CODE (DTC) P1631

IMMOBILIZER WRONG SIGNAL . . . ...

6E-222

Circuit Description . . . . . . . . . ..

6E-222

Diagnostic Aids . . . . . . . . . . ..

6E-222

Diagnostic Trouble Code (DTC) P1631

Immobilizer Wrong Signal . . . . . .

6E-223

DIAGNOSTIC TROUBLE CODE (DTC) P1648

WRONG SECURITY CODE ENTERED ..

6E-224

Circuit Description . . . . . . . . . ..

6E-224

Diagnostic Aids . . . . . . . . . . ..

6E-224

Diagnostic Trouble Code (DTC) P1648 Wrong

Security Code Entered . . . . . . .

6E-225

DIAGNOSTIC TROUBLE CODE (DTC) P1649

IMMOBILIZER FUNCTION NOT
PROGRAMMED . . . . . . . . . . .

6E-226

Circuit Description . . . . . . . . . ..

6E-226

Diagnostic Aids . . . . . . . . . . ..

6E-226

Diagnostic Trouble Code (DTC) P1649

Immobilizer Function Not Programmed ...

6E-227

DIAGNOSTIC TROUBLE CODE (DTC) P1693

TACHOMETER OUTPUT LOW VOLTAGE

6E-228

Circuit Description . . . . . . . . . ..

6E-228

Diagnostic Aids . . . . . . . . . . ..

6E-228

Diagnostic Trouble Code (DTC) P1693

Tachometer Output Low Voltage . . . .

6E-229

SYMPTOM DIAGNOSIS . . . . . . . ...

6E-232

PRELIMINARY CHECKS . . . . . . . .

6E-232

VISUAL/PHYSICAL CHECK . . . . . . .

6E-232

INTERMITTENT . . . . . . . . . . ...

6E-232

ENGINE DRIVEABILITY AND EMISSIONS

6E–5

ENGINE CRANKS BUT WILL NOT RUN . .

6E-233

HARD START SYMPTOM . . . . . . .

6E-236

ROUGH, UNSTABLE, OR INCORRECT IDLE,

STALLING SYMPTOM . . . . . . . ...

6E-239

SURGES AND/OR CHUGS SYMPTOM . ..

6E-242

HESITATION, SAG, STUMBLE SYMPTOM

6E-245

CUTS OUT, MISSES SYMPTOM . . . . .

6E-248

LACK OF POWER, SLUGGISH OR SPONGY

SYMPTOM . . . . . . . . . . . . .

6E-251

DETONATION/SPARK KNOCK SYMPTOM

6E-254

POOR FUEL ECONOMY SYMPTOM . . ..

6E-256

EXCESSIVE EXHAUST EMISSIONS OR

ODORS SYMPTOM . . . . . . . . ...

6E-258

DIESELING, RUN-ON SYMPTOM . . . ...

6E-261

BACKFIRE SYMPTOM . . . . . . . . .

6E-262

ON-VEHICLE SERVICE PROCEDURE . ...

6E-264

ENGINE CONTROL MODULE (ECM) . . ..

6E-264

CRANKSHAFT POSITION (CKP) SENSOR

6E-264

ENGINE COOLANT TEMPERATURE (ECT)

SENSOR . . . . . . . . . . . . .

6E-265

INTAKE AIR TEMPERATURE (IAT) SENSOR 6E-265

MANIFOLD ABSOLUTE PRESSURE (MAP)

SENSOR . . . . . . . . . . . . .

6E-266

THROTTLE POSITION SENSOR (TPS) . ..

6E-266

IDLE AIR CONTROL (IAC) VALVE . . . ..

6E-267

KNOCK SENSOR . . . . . . . . . . .

6E-268

POWER STEERING PRESSURE (PSP)

SWITCH . . . . . . . . . . . . . .

6E-268

HEATED OXYGEN SENSOR (HO2S) . . .

6E-269

EVAP CANISTER PURGE VALVE SOLENOID 6E-269

FUEL PRESSURE RELIEF . . . . . . ..

6E-270

FUEL RAIL ASSEMBLY . . . . . . . ...

6E-270

FUEL INJECTOR . . . . . . . . . . ..

6E-271

FUEL PRESSURE REGULATOR . . . .

6E-273

IGNITION COIL . . . . . . . . . . .

6E-275

SPARK PLUGS . . . . . . . . . . .

6E-275

SPARK PLUG CABLES . . . . . . . .

6E-277

EMISSION CONTROL ; *CO ADJUSTER (W/O

CATALYSTIC CONVERTER) . . . . ..

6E-277

SPECIAL SERVICE TOOLS . . . . . . .

6E-279