2004 ISUZU TF SERIES Workshop Manual

Page 2745 of 4264

ISUZU TF SERIES 2004  Workshop Manual ENGINE DRIVEABILITY AND EMISSIONS 6E–169
6 Using the DVM and check the injector coil for the
affected cylinder.
1.  Ignition “Off”,  engine “Off”. 
2. Disconnect injector connector for the a

Page 2746 of 4264

ISUZU TF SERIES 2004  Workshop Manual 6E–170 ENGINE DRIVEABILITY AND EMISSIONS
7 Using the DVM and check the injector power supply
circuit for the affected cylinder.
1. Ignition “On”, engine “Off”. 
2. Disconnect the injector co

Page 2747 of 4264

ISUZU TF SERIES 2004  Workshop Manual ENGINE DRIVEABILITY AND EMISSIONS 6E–171
9 Using the DVM and check the injector signal circuit for
the affected cylinder.
Breaker box is available: 
1. Ignition “Off”, engine “Off”. 
2. Inst

Page 2748 of 4264

ISUZU TF SERIES 2004  Workshop Manual 6E–172 ENGINE DRIVEABILITY AND EMISSIONS
9Breaker box is not available: 
1. Ignition “Off”, engine “Off”. 
2. Disconnect the injector connector for the affected
cylinder and ECM connector.

Page 2749 of 4264

ISUZU TF SERIES 2004  Workshop Manual ENGINE DRIVEABILITY AND EMISSIONS 6E–173
10 Using the DVM and check the injector signal circuit.
1. Ignition “On”, engine “Off”. 
2. Disconnect the injector connector for the affected
cylind

Page 2750 of 4264

ISUZU TF SERIES 2004  Workshop Manual 6E–174 ENGINE DRIVEABILITY AND EMISSIONS
DIAGNOSTIC TROUBLE CODE (DTC) P0325 KNOCK SENSOR (KS) MODULE 
CIRCUIT
Condition for setting the DTC and action taken when the DTC sets
Circuit Description
Th

Page 2751 of 4264

ISUZU TF SERIES 2004  Workshop Manual ENGINE DRIVEABILITY AND EMISSIONS 6E–175
2 1. Connect the Tech 2. 
2. Review and record the failure information. 
3. Select “F0: Read DTC Infor By Priority” in “F0:
Diagnostic Trouble Code”.

Page 2752 of 4264

ISUZU TF SERIES 2004  Workshop Manual 6E–176 ENGINE DRIVEABILITY AND EMISSIONS
8 Using the DVM and check the knock sensor circuit.
Breaker box is available: 
1. Ignition “Off”, engine “Off”. 
2. Install the breaker box  as type