DTC Diagnosis Procedure
- CHECK FUSE AND FUSIBLE LINKS
Check that the following IPDM E/R fuses or fusible link are not blown.
Terminal
Signal name
Fuse and fusible link Nos.
VQ40DE
VK56VD
1
Battery power supply
A (140A), D (80A)
A (250A), D (80A)
2
C (80A)
C (100A)
12
Ignition switch ON or START
12 (10A)
12 (10A)
Is the fuse or fusible link blown?
YES
Replace the blown fuse or fusible link after repairing the affected circuit.
NO
GO TO 2
- CHECK BATTERY POWER SUPPLY CIRCUIT
- Turn ignition switch OFF.
- Disconnect IPDM E/R.
- Check voltage between IPDM E/R connectors and ground.
Terminals
Ignition switch position
(+)
(-)
OFF
ON
START
Connector
Terminal
E118
1
Ground
Battery
voltage
Battery
voltage
Battery
voltage
2
Battery
voltage
Battery
voltage
Battery
voltage
E119
12
0V
Battery
voltage
Battery
voltage
Is the measurement value normal?
YES
GO TO 3
NO
Repair or replace harness.
- CHECK GROUND CIRCUIT
- Turn ignition switch OFF.
- Check continuity between IPDM E/R connectors and ground.
IPDM E/R
Ground
Continuity
Connector
Terminal
E122
38
Yes
E124
59
Does continuity exist?
YES
Inspection End.
NO
Repair or replace harness.