OBD port ISUZU TF SERIES 2004 Workshop Manual

ISUZU TF SERIES 2004 Workshop Manual TF SERIES 2004 ISUZU ISUZU https://www.carmanualsonline.info/img/61/57180/w960_57180-0.png ISUZU TF SERIES 2004 Workshop Manual

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ISUZU TF SERIES 2004  Workshop Manual 4JA1/4JH1 ENGINE DRIVEABILITY AND EMISSIONS 6E–1
ENGINE
CONTENTS
4JA1/4JH1 ENGINE DRIVEABILITY AND EMISSIONS
ABBREVIATION CHARTS  ........................ 6E-9
4JA1-TC ..............................

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ISUZU TF SERIES 2004  Workshop Manual 6E–82 4JA1/4JH1 ENGINE DRIVEABILITY AND EMISSIONS
GENERAL SERVICE INFORMATION
Serviceability Issues
Non-OEM Parts
All of the OBD diagnostics have been calibrated to run
with OEM parts.   Accordingly

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ISUZU TF SERIES 2004  Workshop Manual 4JA1/4JH1 ENGINE DRIVEABILITY AND EMISSIONS 6E–83
ECM detects a DTC that will impact the vehicle
emissions.
When the check engine lamp remains “ON” while the
engine is running, or when a malfun

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ISUZU TF SERIES 2004  Workshop Manual 4JA1/4JH1 ENGINE DRIVEABILITY AND EMISSIONS 6E–169
moving connectors and wiring harness related to the
sensor.
Diagnostic Trouble Code (DTC) P0180 (Sy mptom Code B) (Flash Code 15) Fuel 
Temperature

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ISUZU TF SERIES 2004  Workshop Manual 4JA1/4JH1 ENGINE DRIVEABILITY AND EMISSIONS 6E–177
Diagnostic Trouble Code (DTC) P0215 (Sy mptom Code D) (Flash Code 52) Fuel 
Cutoff Solenoid Valve Malfunction
Step Action Value(s) Yes No
1Was the

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ISUZU TF SERIES 2004  Workshop Manual 4JA1/4JH1 ENGINE DRIVEABILITY AND EMISSIONS 6E–207
Diagnostic Trouble Code (DTC) P0251 (Symptom Code E) (Flash Code 53) 
Injection Pump Malfunction
Step Action Value(s) Yes No
1Was the “On-Board D

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ISUZU TF SERIES 2004  Workshop Manual 4JA1/4JH1 ENGINE DRIVEABILITY AND EMISSIONS 6E–221
Diagnostic Trouble Code (DTC) P0380 (Symptom Code 8) (Flash Code 66) 
Glow Relay Circuit Voltage High
Step Action Value(s) Yes No
1Was the “On-Bo

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ISUZU TF SERIES 2004  Workshop Manual 6E–226 4JA1/4JH1 ENGINE DRIVEABILITY AND EMISSIONS
Diagnostic Trouble Code (DTC) P0381 (Symptom Code 8) (Flash Code 67) 
Glow Plug Indicator Circuit Voltage High
Step Action Value(s) Yes No
1Was the

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ISUZU TF SERIES 2004  Workshop Manual 4JA1/4JH1 ENGINE DRIVEABILITY AND EMISSIONS 6E–267
Diagnostic Trouble Code (DTC) P0606 (Symptom Code B) (Flash Code 28) ECU 
Malfunction
Step Action Value(s) Yes No
1Was the “On-Board Diagnostic (

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ISUZU TF SERIES 2004  Workshop Manual 6E–272 4JA1/4JH1 ENGINE DRIVEABILITY AND EMISSIONS
Diagnostic Trouble Code (DTC) P0645 (Sy mptom Code 8) (Flash Code 46) A/C 
Compressor Relay  Circuit Voltage High
Step Action Value(s) Yes No
1Was
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