2004 ISUZU TF SERIES Workshop Manual

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ISUZU TF SERIES 2004  Workshop Manual ENGINE ELECTRICAL   6D – 31 
 
 
 
 
 
 
 24. Through Bolt 
Install the through bolts in the rear cover and tighten them 
to the specified torque. 
Through Bolt Torque  Nm (kgm/lbft)
8.1 (0.83/6.

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ISUZU TF SERIES 2004  Workshop Manual 6D – 32  ENGINE ELECTRICAL 
  
 
 MAGNETIC SWITCH 
The following tests must be performed with the starter 
motor fully assembled. 
The yoke lead wire must be disconnected from the “M” 
terminal.

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ISUZU TF SERIES 2004  Workshop Manual ENGINE ELECTRICAL   6D  – 33 
PRE-HEATING SYSTEM 
  INSPECTION AND REPAIR 
Make the necessary adjustments, repairs, and part replacement if excessive wear of damage is discovered during  
inspection

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ISUZU TF SERIES 2004  Workshop Manual 6D  – 34  ENGINE ELECTRICAL 
MEMO

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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–2 4JA1/4JH1 ENGINE DRIVEABILITY AND EMISSIONS
On-Board Diagnostic (OBD) System Check  6E-106
NO CHECK ENGINE LAMP (MIL) ............. 6E-109
Circuit Description  .................................

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ISUZU TF SERIES 2004  Workshop Manual 4JA1/4JH1 ENGINE DRIVEABILITY AND EMISSIONS 6E–3
(Symptom Code 2) (Flash Code 14) Engine
Coolant Temperature Sensor Circuit
LowInput .................................................. 6E-165
DIAGNOS

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ISUZU TF SERIES 2004  Workshop Manual 6E–4 4JA1/4JH1 ENGINE DRIVEABILITY AND EMISSIONS
MALFUNCTION ....................................... 6E-196
DIAGNOSTIC TROUBLE CODE (DTC) P0251 
(SYMPTOM CODE 7) (FLASH CODE 53) 
INJECTION PUMP MALF