immobilizer ISUZU TF SERIES 2004 Repair Manual

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

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ISUZU TF SERIES 2004 Repair Manual 4JA1/4JH1 ENGINE DRIVEABILITY AND EMISSIONS 6E–247
13 Replace the ECM. 
Is the action complete? 
IMPORTANT: The replacement ECM must be
programmed. Refer to section of the Service
Programming System

Page 1624 of 4264

ISUZU TF SERIES 2004 Repair Manual 6E–252 4JA1/4JH1 ENGINE DRIVEABILITY AND EMISSIONS
17 Is the ECM programmed with the latest software
release? 
If not, download the latest software to the ECM using
the “SPS (Service Programming S

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ISUZU TF SERIES 2004 Repair Manual 4JA1/4JH1 ENGINE DRIVEABILITY AND EMISSIONS 6E–255
7 Replace the ECM. 
Is the action complete? 
IMPORTANT: The replacement ECM must be
programmed. Refer to section of the Service
Programming System

Page 1629 of 4264

ISUZU TF SERIES 2004 Repair Manual 4JA1/4JH1 ENGINE DRIVEABILITY AND EMISSIONS 6E –257
7 Using the DVM and check the ECM main relay.  
1. Ignition   “Off ”, engine  “Off ”.  
2. Remove the ECM main relay from the relay box .

Page 1635 of 4264

ISUZU TF SERIES 2004 Repair Manual 4JA1/4JH1 ENGINE DRIVEABILITY AND EMISSIONS 6E–263
8 Replace the ECM. 
Is the action complete? 
IMPORTANT: The replacement ECM must be
programmed. Refer to section of the Service
Programming System

Page 1638 of 4264

ISUZU TF SERIES 2004 Repair Manual 6E–266 4JA1/4JH1 ENGINE DRIVEABILITY AND EMISSIONS
5 Replace the ECM. 
Is the action complete? 
IMPORTANT: The replacement ECM must be
programmed. Refer to section of the Service
Programming System

Page 1639 of 4264

ISUZU TF SERIES 2004 Repair 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 (

Page 1643 of 4264

ISUZU TF SERIES 2004 Repair Manual 4JA1/4JH1 ENGINE DRIVEABILITY AND EMISSIONS 6E–271
8 Using the DVM and check the A/C compressor relay
ground circuit. 
Breaker box is available: 
1. Ignition “Off”, engine “Off”. 
2. Install

Page 1644 of 4264

ISUZU TF SERIES 2004 Repair 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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ISUZU TF SERIES 2004 Repair Manual 4JA1/4JH1 ENGINE DRIVEABILITY AND EMISSIONS 6E–277
12 Is the ECM programmed with the latest software
release? 
If not, download the latest software to the ECM using
the “SPS (Service Programming S