Diagnosis Procedure

INTERIOR ROOM LAMP POWER SUPPLY CIRCUIT


Diagnosis Procedure

1.CHECK INTERIOR ROOM LAMP POWER SUPPLY OUTPUT
CONSULT-III ACTIVE TEST
1. Turn ignition switch ON.
2. Select "BATTERY SAVER" of BCM (BATTERY SAVER) active test item.
3. With operating the test item, check voltage between BCM harness connector and ground.





Is the measurement value normal?
YES - GO TO 2.
NO - Replace BCM.
2.CHECK INTERIOR ROOM LAMP POWER SUPPLY OPEN CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect the following connectors.
- Roof module (map lamp and personal lamp)
- Foot lamp (driver side)
- Foot lamp (passenger side)
- Vanity mirror lamp (LH)
- Vanity mirror lamp (RH)
- Luggage room lamp (luggage side)
- Luggage room lamp (back door side)
- Step lamp (driver side)
- Step lamp (passenger side)
3. Check continuity between BCM harness connector and each interior room lamp harness connector.





Does continuity exist?
YES - GO TO 3.
NO - Repair the harnesses or connectors.
3.CHECK INTERIOR ROOM LAMP POWER SUPPLY SHORT CIRCUIT
Check continuity between BCM harness connector and ground.





Does continuity exist?
YES - Repair the harnesses or connectors.
NO - Check that each interior room lamp has no internal short circuit.