Isuzu D-Max / Isuzu Rodeo (TFR/TFS). Manual — part 150
6E–204
4JH1 ENGINE DRIVEABILITY AND EMISSIONS
8
Replace the ECM.
Is the action complete?
IMPORTANT: The replacement ECM must be
programmed. Refer to section of the Service
Programming System (SPS) in this manual.
Following ECM programming, the immobiliser system
(if equipped) must be linked to the ECM. Refer to
section 11 “Immobiliser System-ECM replacement” for
the ECM/Immobiliser linking procedure.
—
Verify repair
—
Step
Action
Value(s)
Yes
No
4JH1 ENGINE DRIVEABILITY AND EMISSIONS
6E–205
DIAGNOSTIC TROUBLE CODE (DTC) P0602 ECU PROGRAMMING ERROR
Condition for setting the DTC and action taken when the DTC sets
Circuit Description & Diagnostic Aids
The replacement ECM must be programmed by Service
Programming System (SPS). Because, the service
ECM does not programmed.
When the service ECM is used without SPS, DTC
P0602 will appear.
Diagnostic Trouble Code (DTC) P0602 ECU Programming Error
Flash
Code
Code
Symptom
Code
MIL
DTC Name
DTC Setting Condition
Fail-Safe (Back Up)
-
P0602
-
-
Programming Error
ECM memory area error.
Engine control disabled.
Step
Action
Value(s)
Yes
No
1
Was the “On-Board Diagnostic (OBD) System Check”
performed?
—
Go to Step 2
Go to On Board
Diagnostic
(OBD) System
Check
2
1. Connect the Tech 2.
2. Review and record the failure information.
3. Select “F0: Read DTC Infor As Stored By ECU” in
“F0: Diagnostic Trouble Codes”.
Is the DTC P0602 stored as “Present Failure”?
—
Go to Step 3
Refer to
Diagnostic Aids
3
Download the latest software to the ECM using the
“SPS (Service Programming System)”.
Is the action complete?
—
Verify repair
—
6E–206
4JH1 ENGINE DRIVEABILITY AND EMISSIONS
DIAGNOSTIC TROUBLE CODE (DTC) P0606 (SYMPTOM CODE A)
(FLASH CODE 28) ECU MALFUNCTION
DIAGNOSTIC TROUBLE CODE (DTC) P0606 (SYMPTOM CODE B)
(FLASH CODE 28) ECU MALFUNCTION
Condition for setting the DTC and action taken when the DTC sets
Circuit Description & Diagnostic Aids
If the ECM inside (IC, circuit, memory, etc,) failed, DTC
P0606 (Symptom Code A) or P0606 (Symptom Code B)
will be stored.
Diagnostic Trouble Code (DTC) P0606 (Symptom Code A) (Flash Code 28) ECU
Malfunction
Flash
Code
Code
Symptom
Code
MIL
DTC Name
DTC Setting Condition
Fail-Safe (Back Up)
28
P0606
A
ON
ECM Malfunction (1)
Gate Array communication
error.
1. MAB (fuel cutoff solenoid
valve cutoff) is operated.
2. Desired injection quantity
becomes 0mg/strk.
B
ON
ECM Malfunction (2)
1. Throttle position is below
1%.
2. Desired injection quantity is
more than 0mg/strk.
3. Engine speed is more than
2000rpm.
MAB (fuel cutoff solenoid valve
cutoff) is operated.
Step
Action
Value(s)
Yes
No
1
Was the “On-Board Diagnostic (OBD) System Check”
performed?
—
Go to Step 2
Go to On Board
Diagnostic
(OBD) System
Check
2
1. Connect the Tech 2.
2. Review and record the failure information.
3. Select “F0: Read DTC Infor As Stored By ECU” in
“F0: Diagnostic Trouble Codes”.
Is the DTC P0606 (Symptom Code A) stored as
“Present Failure”?
—
Go to Step 3
Refer to
Diagnostic Aids
and Go to Step
3
3
1. Using the Tech 2, ignition “On” and engine “Off”.
2. Select “F1: Clear DTC Information” in “F0:
Diagnostic Trouble Codes” with the Tech 2 and
clear the DTC information.
3. Operate the vehicle and monitor the “F0: Read
DTC Infor As Stored By ECU” in the “F0:
Diagnostic Trouble Codes”.
Was the DTC P0606 (Symptom Code A) stored in this
ignition cycle?
—
Go to Step 4
Refer to
Diagnostic Aids
4
Is the ECM programmed with the latest software
release?
If not, download the latest software to the ECM using
the “SPS (Service Programming System)”.
Was the problem solved?
—
Verify repair
Go to Step 5
4JH1 ENGINE DRIVEABILITY AND EMISSIONS
6E–207
5
Replace the ECM.
Is the action complete?
IMPORTANT: The replacement ECM must be
programmed. Refer to section of the Service
Programming System (SPS) in this manual.
Following ECM programming, the immobiliser system
(if equipped) must be linked to the ECM. Refer to
section 11 “Immobiliser System-ECM replacement” for
the ECM/Immobiliser linking procedure.
—
Verify repair
—
Step
Action
Value(s)
Yes
No
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