Diagnosis Procedure

BATTERY SAVER OUTPUT/POWER SUPPLY CIRCUIT

Description

Provides the interior room lamp power supply. Also cuts the power supply when the interior room lamp battery saver is activated.




BATTERY SAVER OUTPUT/POWER SUPPLY CIRCUIT


Diagnosis Procedure

Regarding Wiring Diagram information, Interior Room Lamp Control System.
1.CHECK BATTERY SAVER OUTPUT/POWER SUPPLY OUTPUT
CONSULT-III





1. Turn ignition switch ON.
2. Select "BATTERY SAVER" of BCM (BATTERY SAVER) active test item.
3. While operating the test item, check voltage between BCM connector M17 terminal 4 and ground.






Is the inspection result normal?
YES - GO TO 2
NO - Replace BCM. Body Control System.
2.CHECK BATTERY SAVER OUTPUT/POWER SUPPLY OPEN CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect the following connectors.
- BCM M17
- Front room/map lamp assembly
- Vanity mirror lamp LH
- Vanity mirror lamp RH
- Foot lamp LH
- Foot lamp RH
- Front step lamp LH
- Front step lamp RH
- Rear step lamp LH
- Rear step lamp RH
- Trunk room lamp
3. Check continuity between BCM connector M17 terminal 4 and each interior room lamp connector.





Is the inspection result normal?
YES - GO TO 3
NO - Repair the harness or connectors.
3.CHECK BATTERY SAVER OUTPUT/POWER SUPPLY SHORT CIRCUIT





Check continuity between BCM connector M17 terminal 4 and ground.





Is the inspection result normal?
YES - Replace the interior room lamp. Service and Repair.
NO - Repair the harness or connectors.