Isuzu D-Max / Isuzu Rodeo (TFR/TFS). Manual — part 99
NOTICE
Before using this Workshop Manual to assist you in performing
vehicle service and maintenance operations, it is recommended that
you carefully read and thoroughly understand the information
contained in Section - 0A under the headings “GENERAL REPAIR
INSTRUCTIONS” and “HOW TO USE THIS MANUAL”.
All material contained in this Manual is based on the latest product
information available at the time of publication.
All rights are reserved to make changes at any time without prior
notice.
Applicable Model : TFR/S 77
This manual is applicable to 2003 year model and later vehicles.
4JH1 ENGINE DRIVEABILITY AND EMISSIONS
6E–1
ENGINE
CONTENTS
4JH1 ENGINE DRIVEABILITY AND EMISSIONS
ABBREVIATION CHARTS . . . . . .
6E-9
ECM CIRCUIT DIAGRAM . . . . . . .
6E-13
GROUND POINT CHART (1/4) . . . . .
6E-14
LOCATION . . . . . . . . . . . .
6E-18
ENGINE CONTROL MODULE (ECM) . ...
6E-20
PARTS LOCATION . . . . . . . . ...
6E-20
. . . . . . . . . . . . . . . . ...
6E-21
PARTS LOCATION . . . . . . . . ...
6E-22
CONNECTOR LIST . . . . . . . . ...
6E-23
RELAY AND FUSE . . . . . . . . .
6E-26
RELAY AND FUSE BOX LOCATION . .
6E-26
RELAY AND FUSE BOX LOCATION . .
6E-27
FUSE AND RELAY LOCATION . . . .
6E-28
ECM WIRING DIAGRAM (1/7) . . . . ..
6E-29
ECM WIRING DIAGRAM (2/7) . . . . ..
6E-30
ECM WIRING DIAGRAM (3/7) . . . . ..
6E-31
ECM WIRING DIAGRAM (4/7) . . . . ..
6E-32
ECM WIRING DIAGRAM (5/7) . . . . ..
6E-33
ECM WIRING DIAGRAM (6/7) . . . . ..
6E-34
ECM WIRING DIAGRAM (7/7) . . . . ..
6E-35
ECM CONNECTOR PIN ASSIGNMENT &
OUTPUT SIGNAL . . . . . . . . .
6E-36
PSG CONNECTOR PIN ASSIGNMENT &
OUTPUT SIGNAL . . . . . . . . .
6E-39
GENERAL DESCRIPTION FOR ECM AND
SENSORS . . . . . . . . . . . ...
6E-40
Engine Control Module (ECM) . . . . ...
6E-40
Pump Control Unit (PSG) & Data Exchange
Between Control Module . . . . . . .
6E-40
Mass Air Flow (MAF) Sensor & Intake Air
Temperature (IAT) Sensor . . . . . ...
6E-41
Throttle Position Sensor (TPS) . . . . ..
6E-41
Crankshaft Position (CKP) Sensor . . .
6E-42
Engine Coolant Temperature (ECT) Sensor
6E-42
Vehicle Speed Sensor (VSS) . . . . .
6E-43
EGR EVRV . . . . . . . . . . . .
6E-43
GENERAL DESCRIPTION FOR INJECTION
PUMP . . . . . . . . . . . . . ..
6E-44
Outline . . . . . . . . . . . . . ...
6E-44
Characteristic of VP44 Injection System ...
6E-44
Cross-section View . . . . . . . . .
6E-45
Low Pressure Fuel Circuit . . . . . . .
6E-46
High Pressure Fuel Circuit . . . . . . .
6E-46
Timing Control . . . . . . . . . . ...
6E-47
Start of Injection . . . . . . . . . . .
6E-47
ISUZU Strategy Based Diagnostics . . . ..
6E-48
Overview . . . . . . . . . . . . .
6E-48
STRATEGY BASED DIAGNOSTICS
CHART . . . . . . . . . . . . .
6E-48
Diagnostic Thought Process . . . . . ..
6E-49
1. Verify the Complaint . . . . . . . ..
6E-49
2. Perform Preliminary Checks . . . . ..
6E-49
3. Check Bulletins and Troubleshooting
Hints . . . . . . . . . . . . . .
6E-50
4. Perform Service Manual Diagnostic
Checks . . . . . . . . . . . . . .
6E-50
5a and 5b. Perform Service Manual Diagnostic
Procedures . . . . . . . . . . . ..
6E-50
5c. Technician Self Diagnoses . . . . ..
6E-50
5d. Intermittent Diagnosis . . . . . . ..
6E-51
5e. Vehicle Operates as Designed . . .
6E-52
6. Re-examine the complaint . . . . . .
6E-53
7. Repair and Verify Fix . . . . . . . .
6E-53
GENERAL SERVICE INFORMATION . ...
6E-54
ON-BOARD DIAGNOSTIC (OBD) . . . .
6E-54
TECH 2 OPERATING FLOW CART
(START UP) . . . . . . . . . . . .
6E-58
TYPICAL SCAN DATA & DEFINITIONS
(ENGINE DATA) . . . . . . . . ...
6E-60
MISCELLANEOUS TEST . . . . . . ..
6E-62
Plotting Snapshot Graph . . . . . . .
6E-63
Plotting Graph Flow Chart (Plotting graph
after obtaining vehicle information) . . ..
6E-64
Flow Chart for Snapshot Replay
(Plotting Graph) . . . . . . . . . ...
6E-65
SNAPSHOT DISPLAY WITH TIS2000 . ..
6E-66
ON-BOARD DIAGNOSTIC (OBD) SYSTEM
CHECK . . . . . . . . . . . . .
6E-75
Circuit Description . . . . . . . . . ..
6E-75
Diagnostic Aids . . . . . . . . . . ..
6E-75
Test Description . . . . . . . . . . .
6E-75
On-Board Diagnostic (OBD) System Check
6E-76
NO CHECK ENGINE LAMP (MIL) . . . .
6E-79
Circuit Description . . . . . . . . . ..
6E-79
6E–2
4JH1 ENGINE DRIVEABILITY AND EMISSIONS
Diagnostic Aids . . . . . . . . . . ..
6E-79
No Check Engine Lamp (MIL) . . . . ...
6E-80
CHECK ENGINE LAMP (MIL) “ON”
STEADY . . . . . . . . . . . . ..
6E-82
Circuit description . . . . . . . . . ..
6E-82
Diagnostic Aids . . . . . . . . . . ..
6E-82
Check Engine Lamp (MIL) On Steady . ...
6E-83
ECM Diagnostic Trouble Codes . . . .
6E-84
DIAGNOSTIC TROUBLE CODE (DTC) P0100
(SYMPTOM CODE 7) (FLASH CODE 65)
MASS AIR FLOW (MAF) SENSOR VOLTAGE
SUPPLY CIRCUIT HIGH INPUT . . . .
6E-95
DIAGNOSTIC TROUBLE CODE (DTC) P0100
(SYMPTOM CODE 9) (FLASH CODE 65)
MASS AIR FLOW (MAF) SENSOR VOLTAGE
SUPPLY CIRCUIT LOW INPUT . . . ..
6E-95
DIAGNOSTIC TROUBLE CODE (DTC) P0100
(SYMPTOM CODE B) (FLASH CODE 65)
MASS AIR FLOW (MAF) SENSOR OUTPUT
CIRCUIT LOW INPUT . . . . . . . .
6E-95
DIAGNOSTIC TROUBLE CODE (DTC) P0100
(SYMPTOM CODE C) (FLASH CODE 65)
MASS AIR FLOW (MAF) SENSOR OUTPUT
CIRCUIT HIGH INPUT . . . . . . .
6E-95
Circuit Description . . . . . . . . . .
6E-96
Diagnostic Aids . . . . . . . . . . ..
6E-96
Diagnostic Trouble Code (DTC) P0100
(Symptom Code 7) (Flash Code 65) Mass Air
Flow (MAF) Sensor Voltage Supply Circuit
High Input . . . . . . . . . . . .
6E-96
Diagnostic Trouble Code (DTC) P0100
(Symptom Code 9) (Flash Code 65) Mass Air
Flow (MAF) Sensor Voltage Supply Circuit
Low Input . . . . . . . . . . . . .
6E-99
Diagnostic Trouble Code (DTC) P0100
(Symptom Code B) (Flash Code 65) Mass Air
Flow (MAF) Sensor Output Circuit
Low Input . . . . . . . . . . . . .
6E-101
Diagnostic Trouble Code (DTC) P0100
(Symptom Code C) (Flash Code 65) Mass Air
Flow (MAF) Sensor Output Circuit
High Input . . . . . . . . . . . .
6E-104
DIAGNOSTIC TROUBLE CODE (DTC) P0110
(SYMPTOM CODE 1) (FLASH CODE 23)
INTAKE AIR TEMPERATURE (IAT) SENSOR
CIRCUIT HIGH INPUT . . . . . . .
6E-107
DIAGNOSTIC TROUBLE CODE (DTC) P0110
(SYMPTOM CODE 2) (FLASH CODE 23)
INTAKE AIR TEMPERATURE (IAT) SENSOR
CIRCUIT LOW INPUT . . . . . . . .
6E-107
Circuit Description . . . . . . . . . .
6E-107
Diagnostic Aids . . . . . . . . . . ..
6E-108
Diagnostic Trouble Code (DTC) P0110
(Symptom Code 1) (Flash Code 23) Intake Air
Temperature (IAT) Sensor Circuit
High Input . . . . . . . . . . . .
6E-108
Diagnostic Trouble Code (DTC) P0110
(Symptom Code 2) (Flash Code 23) Intake Air
Temperature (IAT) Sensor Circuit
Low Input . . . . . . . . . . . . .
6E-112
DIAGNOSTIC TROUBLE CODE (DTC) P0115
(SYMPTOM CODE 1) (FLASH CODE 14)
ENGINE COOLANT TEMPERATURE
SENSOR CIRCUIT HIGH INPUT . . .
6E-115
DIAGNOSTIC TROUBLE CODE (DTC) P0115
(SYMPTOM CODE 2) (FLASH CODE 14)
ENGINE COOLANT TEMPERATURE
SENSOR CIRCUIT LOW INPUT . . . .
6E-115
Circuit Description . . . . . . . . . ..
6E-115
Diagnostic Aids . . . . . . . . . . ..
6E-116
Diagnostic Trouble Code (DTC) P0115 (Symptom
Code 1) (Flash Code 14) Engine Coolant
Temperature Sensor Circuit High Input ...
6E-116
Diagnostic Trouble Code (DTC) P0115 (Symptom
Code 2) (Flash Code 14) Engine Coolant
Temperature Sensor Circuit Low Input .
6E-120
DIAGNOSTIC TROUBLE CODE (DTC) P0180
(SYMPTOM CODE B) (FLASH CODE 15)
FUEL TEMPERATURE SENSOR CIRCUIT
RANGE/PERFORMANCE . . . . . ...
6E-123
Circuit Description . . . . . . . . . ..
6E-123
Diagnostic Aids . . . . . . . . . . ..
6E-123
Diagnostic Trouble Code (DTC) P0180
(Symptom Code B) (Flash Code 15) Fuel
Temperature Sensor Circuit Range/
Performance . . . . . . . . . . .
6E-124
DIAGNOSTIC TROUBLE CODE (DTC) P0215
(SYMPTOM CODE A) (FLASH CODE 52)
FUEL CUTOFF SOLENOID VALVE
MALFUNCTION . . . . . . . . . ...
6E-125
DIAGNOSTIC TROUBLE CODE (DTC) P0215
(SYMPTOM CODE B) (FLASH CODE 52)
FUEL CUTOFF SOLENOID VALVE
CIRCUIT HIGH INPUT . . . . . . .
6E-125
DIAGNOSTIC TROUBLE CODE (DTC) P0215
(SYMPTOM CODE C) (FLASH CODE 52)
FUEL CUTOFF SOLENOID VALVE ALWAYS
ACTIVE . . . . . . . . . . . . .
6E-125
DIAGNOSTIC TROUBLE CODE (DTC) P0215
(SYMPTOM CODE D) (FLASH CODE 52)
FUEL CUTOFF SOLENOID VALVE
MALFUNCTION . . . . . . . . . ...
6E-125
Circuit Description . . . . . . . . . ..
6E-126
Diagnostic Aids . . . . . . . . . . ..
6E-126
Diagnostic Trouble Code (DTC) P0215
(Symptom Code A) (Flash Code 52)
4JH1 ENGINE DRIVEABILITY AND EMISSIONS
6E–3
Fuel Cutoff Solenoid Valve Malfunction ...
6E-126
Diagnostic Trouble Code (DTC) P0215
(Symptom Code B) (Flash Code 52)
Fuel Cutoff Solenoid Valve Circuit
High Input . . . . . . . . . . . .
6E-128
Diagnostic Trouble Code (DTC) P0215
(Symptom Code C) (Flash Code 52)
Fuel Cutoff Solenoid Valve Always Active
6E-130
Diagnostic Trouble Code (DTC) P0215
(Symptom Code D) (Flash Code 52)
Fuel Cutoff Solenoid Valve Malfunction ...
6E-132
DIAGNOSTIC TROUBLE CODE (DTC) P0216
(SYMPTOM CODE A) (FLASH CODE 54)
INJECTION TIMING CONTROL CIRCUIT
MALFUNCTION (TIMER DEVIATION) .
6E-133
DIAGNOSTIC TROUBLE CODE (DTC) P0216
(SYMPTOM CODE B) (FLASH CODE 54)
INJECTION TIMING CONTROL CIRCUIT
MALFUNCTION (TIMER FLUCTUATION)
6E-133
Circuit Description . . . . . . . . . .
6E-134
Diagnostic Aids . . . . . . . . . . ..
6E-134
Diagnostic Trouble Code (DTC) P0216
(Symptom Code A) (Flash Code 54)
Injection Timing Control Circuit
Malfunction (Timer Deviation) . . . . ..
6E-134
Diagnostic Trouble Code (DTC) P0216
(Symptom Code B) (Flash Code 54)
Injection Timing Control Circuit
Malfunction (Timer Fluctuation) . . . ...
6E-135
DIAGNOSTIC TROUBLE CODE (DTC) P0251
(SYMPTOM CODE 6) (FLASH CODE 53)
INJECTION PUMP MALFUNCTION . ...
6E-137
DIAGNOSTIC TROUBLE CODE (DTC) P0251
(SYMPTOM CODE 7) (FLASH CODE 53)
INJECTION PUMP MALFUNCTION . ...
6E-137
DIAGNOSTIC TROUBLE CODE (DTC) P0251
(SYMPTOM CODE 9) (FLASH CODE 53)
INJECTION PUMP MALFUNCTION . ...
6E-137
DIAGNOSTIC TROUBLE CODE (DTC) P0251
(SYMPTOM CODE A) (FLASH CODE 53)
INJECTION PUMP MALFUNCTION . ...
6E-137
DIAGNOSTIC TROUBLE CODE (DTC) P0251
(SYMPTOM CODE B) (FLASH CODE 53)
INJECTION PUMP MALFUNCTION . ...
6E-137
DIAGNOSTIC TROUBLE CODE (DTC) P0251
(SYMPTOM CODE D) (FLASH CODE 53)
INJECTION PUMP MALFUNCTION . ...
6E-137
DIAGNOSTIC TROUBLE CODE (DTC) P0251
(SYMPTOM CODE E) (FLASH CODE 53)
INJECTION PUMP MALFUNCTION . ...
6E-137
Circuit Description . . . . . . . . . .
6E-138
Diagnostic Aids . . . . . . . . . . ..
6E-138
Diagnostic Trouble Code (DTC) P0251
(Symptom Code 6) (Flash Code 53)
Injection Pump Malfunction . . . . . ..
6E-138
Diagnostic Trouble Code (DTC) P0251
(Symptom Code 7) (Flash Code 53)
Injection Pump Malfunction . . . . . ..
6E-140
Diagnostic Trouble Code (DTC) P0251
(Symptom Code 9) (Flash Code 53)
Injection Pump Malfunction . . . . . ..
6E-144
Diagnostic Trouble Code (DTC) P0251
(Symptom Code A) (Flash Code 53)
Injection Pump Malfunction . . . . . ..
6E-145
Diagnostic Trouble Code (DTC) P0251
(Symptom Code B) (Flash Code 53)
Injection Pump Malfunction . . . . . ..
6E-146
Diagnostic Trouble Code (DTC) P0251
(Symptom Code D) (Flash Code 53)
Injection Pump Malfunction . . . . . ..
6E-147
Diagnostic Trouble Code (DTC) P0251
(Symptom Code E) (Flash Code 53)
Injection Pump Malfunction . . . . . ..
6E-148
DIAGNOSTIC TROUBLE CODE (DTC) P0335
(SYMPTOM CODE B) (FLASH CODE
43)CRANKSHAFT POSITION SENSOR
CIRCUIT MALFUNCTION . . . . . ...
6E-149
DIAGNOSTIC TROUBLE CODE (DTC) P0335
(SYMPTOM CODE D) (FLASH CODE 43)
CRANKSHAFT POSITION SENSOR
MALFUNCTION . . . . . . . . . ...
6E-149
DIAGNOSTIC TROUBLE CODE (DTC) P0335
(SYMPTOM CODE E) (FLASH CODE 43)
ENGINE SPEED INPUT CIRCUIT RANGE/
PERFORMANCE . . . . . . . . . .
6E-149
Circuit Description . . . . . . . . . ..
6E-150
Diagnostic Aids . . . . . . . . . . ..
6E-150
Diagnostic Trouble Code (DTC) P0335
(Symptom Code B) (Flash Code 43)
Crankshaft Position Sensor Circuit
Malfunction . . . . . . . . . . . ..
6E-150
Diagnostic Trouble Code (DTC) P0335
(Symptom Code D) (Flash Code 43)
Crankshaft Position Sensor Malfunction ..
6E-150
Diagnostic Trouble Code (DTC) P0335
(Symptom Code E) (Flash Code 43)
Engine Speed Input Circuit Range/
Performance . . . . . . . . . . .
6E-155
DIAGNOSTIC TROUBLE CODE (DTC) P0380
(SYMPTOM CODE 4) (FLASH CODE 66)
GLOW RELAY CIRCUIT VOLTAGE LOW
6E-158
DIAGNOSTIC TROUBLE CODE (DTC) P0380
(SYMPTOM CODE 8) (FLASH CODE 66)
GLOW RELAY CIRCUIT VOLTAGE HIGH
6E-158
Circuit Description . . . . . . . . . ..
6E-158
Diagnostic Aids . . . . . . . . . . ..
6E-158
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