Diagnosis Procedure
- CHECK TAIL LAMP OUTPUT VOLTAGE
CONSULT
- Disconnect rear combination lamp LH (body side) connector, rear combination lamp LH (trunk lid side) connector, rear combination lamp RH (body side) connector, rear combination lamp RH (trunk lid side) connector, license plate lamp LH connector and license plate lamp RH connector.
- Ignition switch ON.
- Select "EXTERNAL LAMPS" in "Active Test" mode of "IPDM E/R".
- With operating the test items, check voltage between IPDM E/R harness connector and ground.
+
--
Test item
Voltage
(Approx.)
IPDM E/R
Connector
Terminal
E17
17
Ground
EXTERNAL LAMPS
TAIL
Battery voltage
Off
0V
4
TAIL
Battery voltage
Off
0V
Is the inspection result normal?
YES
GO TO 2.
NO
GO TO 3.
- CHECK TAIL LAMP POWER SUPPLY CIRCUIT
- Ignition switch OFF.
- Disconnect IPDM E/R connector.
- Check continuity between IPDM E/R harness connector, rear combination lamp LH (body side) harness connector, rear combination lamp LH (trunk lid side) harness connector, rear combination lamp RH (body side) harness connector and rear combination lamp RH (trunk lid side) harness connector.Rear combination lamp (body side)
IPDM E/R
Rear combination lamp (body side)
Continuity
Connector
Terminal
Connector
Terminal
E17
17
B45
1
Yes
4
B30
Rear combination lamp (trunk lid side)IPDM E/R
Rear combination lamp (trunk lid side)
Continuity
Connector
Terminal
Connector
Terminal
E17
17
B27
7
Yes
4
B31
Is the inspection result normal?
YES
GO TO 4.
NO
Repair or replace harness.
- CHECK TAIL LAMP POWER SUPPLY CIRCUIT
- Ignition switch OFF.
- Disconnect IPDM E/R connector.
- Check continuity between the IPDM E/R harness connector and ground.
IPDM E/R
--
Continuity
Connector
Terminal
E17
17
Ground
No
4
Is the inspection result normal?
YES
Replace IPDM E/R. Refer to IPDM E/R : Removal & Installation .
NO
Repair or replace harness.
- CHECK TAIL LAMP GROUND CIRCUIT
Check continuity between rear combination lamp LH (body side) harness connector, rear combination lamp LH (trunk lid side) harness connector, rear combination lamp RH (body side) harness connector and rear combination lamp RH (trunk lid side) harness connector and ground.
Rear combination lamp (body side)Rear combination lamp (body side)
--
Continuity
Connector
Terminal
RH
B45
4
Ground
Yes
LH
B30
Rear combination lamp (trunk lid side)Rear combination lamp (trunk lid side)
--
Continuity
Connector
Terminal
RH
B27
8
Ground
Yes
LH
B31
Is the inspection result normal?
YES
Replace rear combination lamp. Refer to Removal and Installation (Body side) or Removal and Installation (Trunk lid side).
NO
Repair or replace harness.