Diagnosis Procedure
- CHECK TAIL LAMP FUSE
- Turn ignition switch OFF.
- Check that the following fuses are not blown:
Unit
Location
Fuse No.
Capacity
Tail lamp
IPDM E/R
52
10A
51
Is the inspection result normal?
YES
GO TO 2 .
NO
Replace the blown fuse after repairing the affected circuit.
- CHECK TAIL LAMP OUTPUT VOLTAGE
CONSULT
- Disconnect rear combination lamp RH or LH connectors.
- Turn ignition switch ON.
- Select "EXTERNAL LAMPS" in "Active Test" mode of "IPDM E/R".
- While operating the test items, check voltage between applicable rear combination lamp harness connector and ground.
(+)
(-)
Test item
Voltage
(Approx.)
Rear combination lamp
Connector
Terminal
RH
B45
4
Ground
EXTERNAL LAMPS
TAIL
Battery voltage
Off
0 V
LH
B30
TAIL
Battery voltage
Off
0 V
RH
B52
6
TAIL
Battery voltage
Off
0 V
LH
B51
TAIL
Battery voltage
Off
0 V
Is the inspection result normal?
YES
GO TO 5 .
NO
GO TO 3 .
- CHECK TAIL LAMP POWER SUPPLY CIRCUIT (SHORT)
- Disconnect IPDM E/R connector and rear combination lamp RH or LH connectors.
- Check continuity between IPDM E/R harness connector and ground.
(+)
(-)
Continuity
IPDM E/R
Connector
Terminal
E18
9
Ground
No
10
Is the inspection result normal?
YES
GO TO 4.
NO
Repair or replace harness.
- CHECK TAIL LAMP POWER SUPPLY CIRCUIT (OPEN)
- Turn ignition switch OFF.
- Disconnect IPDM E/R connector and rear combination lamp connector.
- Check continuity between IPDM E/R harness connector and rear combination lamp harness connector.
Rear combination lamp
IPDM E/R
Continuity
Connector
Terminal
Connector
Terminal
RH
B45
4
E18
9
Yes
LH
B30
10
RH
B52
6
9
LH
B51
Is the inspection result normal?
YES
Replace IPDM E/R. Refer to Removal and Installation .
NO
Repair or replace harness.
- CHECK TAIL LAMP GROUND CIRCUIT
Check continuity between rear combination lamp harness connector and ground.
Rear combination lamp
Ground
Continuity
Connector
Terminal
RH
B45
1
Yes
LH
B30
RH
B52
8
LH
B51
Is the inspection result normal?
YES
Replace rear combination lamp. Refer to Removal and Installation .
NO
Repair or replace harness.