Isuzu D-Max / Isuzu Rodeo (TFR/TFS). Manual — part 139
6E–160
4JH1 ENGINE DRIVEABILITY AND EMISSIONS
6
Using the DVM and check the glow relay power supply
circuit.
1. Ignition “On”, engine “Off”.
2. Remove the glow relay from the relay box.
3. Check the circuit for open or short to ground
circuit.
Was the DVM indicated specified value?
Battery
voltage
Go to Step 8
Go to Step 7
7
Repair the open or short to ground circuit between the
ECM main relay and glow relay.
Is the action complete?
—
Verify repair
—
8
Using the DVM and check the glow relay ground
circuit.
Breaker box is available:
1. Ignition “Off”, engine “Off”.
2. Install the breaker box as type A. (ECM
disconnected) Ref. Page 6E-73
3. Remove the glow relay from the relay box.
4. Check the circuit for open or short to ground
circuit.
Was the problem found?
Breaker box is not available:
1. Ignition “Off”, engine “Off”.
2. Disconnect the ECM connector.
3. Remove the glow relay from the relay box.
4. Check the circuit for open or short to ground
circuit.
Was the problem found?
—
Repair faulty
harness and
verify repair
Go to Step 9
Step
Action
Value(s)
Yes
No
2
V
X-5
94
X-5
3
3
94
X-5
C-57
4JH1 ENGINE DRIVEABILITY AND EMISSIONS
6E–161
9
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 10
10
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–162
4JH1 ENGINE DRIVEABILITY AND EMISSIONS
Diagnostic Trouble Code (DTC) P0380 (Symptom Code 8) (Flash Code 66)
Glow Relay Circuit Voltage High
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 P0380 (Symptom Code 8) 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 P0380 (Symptom Code 8) 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
Substitute a known good ECM and recheck.
Was the problem solved?
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.
—
Go to Step 6
—
6
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
—
4JH1 ENGINE DRIVEABILITY AND EMISSIONS
6E–163
DIAGNOSTIC TROUBLE CODE (DTC) P0381 (SUB CODE 4) (FLASH CODE 67)
GLOW PLUG INDICATOR CIRCUIT VOLTAGE LOW
DIAGNOSTIC TROUBLE CODE (DTC) P0381 (SUB CODE 8) (FLASH CODE 67)
GLOW PLUG INDICATOR CIRCUIT VOLTAGE HIGH
Condition for setting the DTC and action taken when the DTC sets
Circuit Description
The function of the glow time indicator lamp is to inform
the driver whether the glow system is activated.
When the lamp turned off, the engine can be started.
This does not imply that the glow plugs are no longer
activated.
In the after glow phase the lamp is not illuminated but
the glow plugs remain active for a certain period
depending on engine coolant temperature.
Diagnostic Aids
An intermittent may be caused by the following:
• Poor connections.
• Misrouted harness.
Flash
Code
Code
Symptom
Code
MIL
DTC Name
DTC Setting Condition
Fail-Safe (Back Up)
67
P0381
4
ON
Glow Plug Indicator Circuit
Voltage Low
Glow plug indicator circuit
open or short to ground cir-
cuit.
No fail-safe function.
8
ON
Glow Plug Indicator Circuit
Voltage High
Glow plug indicator circuit
short to voltage circuit.
Battery
Voltage
Ignition
SW
Meter
15A
A16
A7 A10
0.5
BLK/
YEL
Batt
Batt
0.5
RED/
WHT
29
0.5
ORG/
BLU
43
0.5
BRN/
YEL
42
0.5
BLK/
RED
27
0.5
BLU/
WHT
68
0.5
WHT
35
VSS
0.85
YEL
Imnobiliser
Control Unit
7
8
0.5
BRN/
YEL
IC
4P out
0.85
YEL
Glow
Check
Engine
Tacho
Meter
A/T
A1
TCM
µP
µP
µP
µP
Engine
Control
Module
(ECM)
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст