Diagnosis Procedure
- CHECK PARKING LAMP FUSE
- Turn ignition switch OFF.
- Check that the following fuse is not blown:
Unit
Location
Fuse No.
Capacity
- Parking lamps
- Side marker lamps
IPDM E/R
42
10A
43
Is the inspection result normal?
YES
GO TO 3 .
NO
GO TO 2 .
- CHECK PARKING LAMP CIRCUIT
- Disconnect the following connectors:
- IPDM E/R
- Front combination lamps
- Rear combination lamps
- Check continuity between IPDM E/R harness connector E121 and ground.
IPDM E/R
Ground
Continuity
Connector
Terminal
No
E121
27
33
Is the inspection result normal?
YES
Replace fuse. (Replace IPDM E/R if blown fuse is found again.)
NO
Replace the blown fuse after repairing the affected circuit.
- Disconnect the following connectors:
- CHECK PARKING LAMP
Check applicable lamp.
Is the inspection result normal?
YES
GO TO 4 .
NO
Replace applicable lamp.
- CHECK PARKING LAMP OUTPUT VOLTAGE
CONSULT
- Disconnect front combination lamp connector.
- Turn ignition switch ON.
- Select "EXTERNAL LAMPS" in "Active Test" mode of "IPDM E/R".
- While operating the test items, check voltage between IPDM E/R harness connector E121 and ground.
(+)
(-)
Test item
Voltage
(Approx.)
IPDM E/R
Connector
Terminal
E121
27
Ground
EXTERNAL LAMPS
TAIL
Battery voltage
Off
0 V
33
EXTERNAL LAMPS
TAIL
Battery voltage
Off
0 V
Is the inspection result normal?
YES
GO TO 5 .
NO
Replace IPDM E/R. Refer to Removal and Installation of IPDM E/R .
- CHECK PARKING LAMP POWER SUPPLY CIRCUIT
- Turn ignition switch OFF.
- Disconnect IPDM E/R connector.
- Check continuity between IPDM E/R harness connector E121 and front combination lamp harness connector E63 or E64.
Front combination lamp
IPDM E/R
Continuity
Connector
Terminal
Connector
Terminal
RH
E63
6
E121
27
Yes
LH
E64
33
Is the inspection result normal?
YES
GO TO 6 .
NO
Repair or replace harness.
- CHECK PARKING LAMP GROUND CIRCUIT
Check continuity between front combination lamp harness connector E63, E64 and ground.
Front combination lamp
Ground
Continuity
Connector
Terminal
RH
E63
5
Yes
LH
E64
Is the inspection result normal?
YES
Check corresponding lamp socket and harness. Repair or replace if necessary.
NO
Repair or replace harness.