Isuzu D-Max / Isuzu Rodeo (TFR/TFS). Manual — part 239
ENGINE DRIVEABILITY AND EMISSIONS
6E–197
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”.
Is the DTC P0563 stored as “Present Failure”?
—
Go to Step 3
Refer to
Diagnostic Aids
and Go to Step
3
3
1. Using the Tech2, ignition “On” and engine “Off”.
2. Select “Clear DTC Information” with the Tech2 and
clear the DTC information.
3. Operate the vehicle and monitor the “F5: Failed
This Ignition” in “F2: DTC Information”.
Was the DTC P0563 stored in this ignition cycle?
—
Go to Step 4
Refer to
Diagnostic Aids
and Go to Step
4
4
1. Using the Tech 2, ignition “On” and engine “On”.
2. Monitor the “Ignition Voltage” in the data display.
3. Load the electrical system by turning on the
headlights, etc..
Does the Tech 2 indicate correct ignition voltage?
10 - 14V
Go to Step 5
Check the
charging
system and Go
to Step 5
5
Is the battery jamp start cable incorrectly connecting?
—
Verify
procedure
Go to Step 6
6
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 7
7
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
6E–198
ENGINE DRIVEABILITY AND EMISSIONS
DIAGNOSTIC TROUBLE CODE (DTC) P0601 ECM MEMORY CHECKSUM
Condition for setting the DTC and action taken when the DTC sets
Circuit Description
The engine control module (ECM) used in this vehicle
utilizes an electrically erasable programmable read-only
memory (EEPROM). The EEPROM contains program
information and the calibrations required for engine,
transmission, and powertrain diagnostics operation.
Unlike the PROM used in past applications, the
EEPROM is not replaceable. When the ECM is replaced
or a calibration update is required, the ECM must be
programmed using a Tech 2.
Diagnostic Aids
• Diagnostic Trouble Code P0601 indicates that the
contents of the EEPROM have changed since the
ECM was programmed. The only possible repair is
ECM reprogramming or replacement. Check service
bulletins to program the replacement ECM with the
correct software and calibration for the vehicle.
Diagnostic Trouble Code (DTC) P0601 ECM Memory Checksum
Code
Type
DTC Name
DTC Setting Condition
Fail-Safe (Back Up)
P0601
A
ECM Memory Checksum
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 By Priority” in “F0:
Diagnostic Trouble Code”.
Is the DTC P0601 stored as “Present Failure”?
—
Go to Step 3
Refer to
Diagnostic Aids
and Go to Step
3
3
1. Using the Tech2, ignition “On” and engine “Off”.
2. Select “Clear DTC Information” with the Tech2 and
clear the DTC information.
3. Operate the vehicle and monitor the “F5: Failed
This Ignition” in “F2: DTC Information”.
Was the DTC P0601 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
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
—
ENGINE DRIVEABILITY AND EMISSIONS
6E–199
DIAGNOSTIC TROUBLE CODE (DTC) P0602 PROGRAMMING ERROR
Condition for setting the DTC and action taken when the DTC sets
Circuit Description
The engine control module (ECM) used in this vehicle
utilizes an electrically erasable programmable read-only
memory (EEPROM). The EEPROM contains program
information and the calibrations required for engine,
transmission, and powertrain diagnostics operation.
Unlike the PROM used in past applications, the
EEPROM is not replaceable. When the ECM is replaced
or a calibration update is required, the ECM must be
programmed using a Tech 2.
Diagnostic Aids
• Diagnostic Trouble Code P0602 indicates when non
programmed ECM is used without service
programming system (SPS). The replacement ECM
must be programmed.
Diagnostic Trouble Code (DTC) P0602 Programming Error
Code
Type
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 By Priority” in “F0:
Diagnostic Trouble Code”.
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–200
ENGINE DRIVEABILITY AND EMISSIONS
DTC P0650 MALFUNCTION INDICATOR LAMP (MIL) CONTOROL CIRCUIT
MALFUNCTION
Condition for setting the DTC and action taken when the DTC sets
Circuit Description
The check engine lamp should always be illuminated
and steady with ignition “ON” and the engine stopped.
Ignition feed voltage is supplied directly to the check
engine lamp indicator. The Engine Control Module
(ECM) turns the check engine lamp “ON” by grounding
the check engine lamp driver circuit. The check engine
lamp should not remain “ON” with the engine running
and no DTC(s) set. A steady check engine lamp with the
engine running and no DTC(s) suggests a short to
ground in the check engine lamp driver circuit.
Diagnostic Aids
An intermittent may be caused by a poor connection,
rubbed-through wire insulation, or a wire broken inside
the insulation. Check for the following items:
• Poor connection or damaged harness - Inspect the
ECM harness and connectors for improper mating,
broken locks, improperly formed or damaged
terminals, poor terminal-to-wire connection, and
damaged harness.
Code
Type
DTC Name
DTC Setting Condition
Fail-Safe (Back Up)
P0650
A
Malfunction Indicator Lamp (MIL) Con-
trol Circuit Malfunction
Check engine lamp circuit open, short to
ground or short to voltage circuit.
No fail-safe function.
Buttery
Voltage
0.5
RED/
YEL
Engine
Room-RH
µP
J2-32
7
0.5
BRN/
YEL
Engine
Control
Module
(ECM)
Check
Engine
Lamp
Imnobiliser
Control
Unit
METER
15A
Ignition
SW
0.5
BLU
J2-4
0.5
GRN
J2-30
Diag
SW
Class 2
Serial
Data
0.85 BLK
Diagnostic
Comectar
16 15 14 13 12 11 10 9
8 7 6 5 4 3 2 1
METER
10A
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