ignition 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 ENGINE DRIVEABILITY AND EMISSIONS 6E–157
6 Using the DVM and check the O2 sensor circuit.
1.  Ignition “On”, engine “Off”. 
2. Disconnect the O
2 sensor connector. 
3. Check the circuit for

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ISUZU TF SERIES 2004  Workshop Manual 6E–160 ENGINE DRIVEABILITY AND EMISSIONS
Diagnostic Aids
Check for the following conditions:
Poor connection or damaged harness - Inspect theharness connectors for backed-out terminals,
improper ma

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ISUZU TF SERIES 2004  Workshop Manual ENGINE DRIVEABILITY AND EMISSIONS 6E–161
6 Using the DVM and check the O2 sensor circuit.
Breaker box is available: 
1. Ignition “Off”, engine “Off”. 
2. Install the breaker box  as type A.

Page 2739 of 4264

ISUZU TF SERIES 2004  Workshop Manual ENGINE DRIVEABILITY AND EMISSIONS 6E–163
DIAGNOSTIC TROUBLE CODE (DTC) P0135 O2 SENSOR HEATER CIRCUIT 
(BANK 1 SENSOR 1)
Condition for setting the DTC and action taken when the DTC sets
Circuit Desc

Page 2740 of 4264

ISUZU TF SERIES 2004  Workshop Manual 6E–164 ENGINE DRIVEABILITY AND EMISSIONS
Diagnostic Aids
Check for the following conditions:
Poor connection at ECM - Inspect harness
connectors for backed-out terminals, improper
mating, broken lo

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ISUZU TF SERIES 2004  Workshop Manual ENGINE DRIVEABILITY AND EMISSIONS 6E–165
7 Using the DVM and check the heater power supply
circuit for the affected cylinder.
1. Ignition “On”, engine “Off”. 
2. Disconnect the O
2 sensor co

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ISUZU TF SERIES 2004  Workshop Manual 6E–166 ENGINE DRIVEABILITY AND EMISSIONS
10 Using the DVM and check the heater ground circuit.
1. Ignition “On”, engine “Off”. 
2. Disconnect the O
2 sensor connector. 
3. Check the circuit

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ISUZU TF SERIES 2004  Workshop Manual 6E–168 ENGINE DRIVEABILITY AND EMISSIONS
Trouble Code is set. This Diagnostic Trouble Code is
also set if an injector driver is shorted to voltage.
Diagnostic Aids
An injector driver circuit that is

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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