2004 ISUZU TF SERIES Workshop Manual

Page 2713 of 4264

ISUZU TF SERIES 2004  Workshop Manual ENGINE DRIVEABILITY AND EMISSIONS 6E–137
Diagnostic Trouble Code (DTC) P0117 
Engine Coolant Temperature Sensor Low Input
Step A ction Value(s) Yes No
1 Was the “On-Board Diagnostic (OBD) System C

Page 2714 of 4264

ISUZU TF SERIES 2004  Workshop Manual 6E–138 ENGINE DRIVEABILITY AND EMISSIONS
7 Using the DVM and check the ECT sensor signal
circuit.
Breaker box is available: 
1. Ignition “Off”, engine “Off”. 
2. Install the breaker box  as

Page 2715 of 4264

ISUZU TF SERIES 2004  Workshop Manual ENGINE DRIVEABILITY AND EMISSIONS 6E–139
DIAGNOSTIC TROUBLE CODE (DTC) P0118 ENGINE COOLANT 
TEMPERATURE SENSOR HIGH INPUT
Condition for setting the DTC and action taken when the DTC sets
Circuit De

Page 2716 of 4264

ISUZU TF SERIES 2004  Workshop Manual 6E–140 ENGINE DRIVEABILITY AND EMISSIONS
Diagnostic Trouble Code (DTC) P0118 
Engine Coolant Temperature Sensor High Input
Step A ction Value(s) Yes No
1 Was the “On-Board Diagnostic (OBD) System

Page 2717 of 4264

ISUZU TF SERIES 2004  Workshop Manual ENGINE DRIVEABILITY AND EMISSIONS 6E–141
7 Using the DVM and check the ECT sensor signal
circuit.
1.  Ignition “On”, engine “Off”. 
2. Disconnect the ECT sensor connector. 
3. Check the circ

Page 2718 of 4264

ISUZU TF SERIES 2004  Workshop Manual 6E–142 ENGINE DRIVEABILITY AND EMISSIONS
11 Using the DVM and check the ECT sensor ground
circuit.
Breaker box is available: 
1. Ignition “Off”, engine “Off”. 
2. Install the breaker box  as

Page 2719 of 4264

ISUZU TF SERIES 2004  Workshop Manual ENGINE DRIVEABILITY AND EMISSIONS 6E–143
DIAGNOSTIC TROUBLE CODE (DTC) P0122 THROTTLE POSITION SENSOR 
LOW INPUT
Condition for setting the DTC and action taken when the DTC sets
Circuit Description

Page 2720 of 4264

ISUZU TF SERIES 2004  Workshop Manual 6E–144 ENGINE DRIVEABILITY AND EMISSIONS
Diagnostic Trouble Code (DTC) P0122 Throttle Position Sensor Low Input
Step A ction Value(s) Yes No
1 Was the “On-Board Diagnostic (OBD) System Check”
pe