Operation CHARM: Car repair manuals for everyone.

Diagnosis Procedure





BATTERY SAVER OUTPUT/POWER SUPPLY CIRCUIT


Description

Provides the battery saver output/power supply. Also cuts the power supply when the interior room lamp battery saver is activating.





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 M20 terminal 56 and ground.





Is the inspection result normal?
YES - GO TO 2
NO - Replace BCM. Service and Repair.
2.CHECK BATTERY SAVER OUTPUT/POWER SUPPLY OPEN CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect the following connectors.
- BCM M20
- Ignition key hole illumination
- Front room/map lamp assembly (if equipped)
- Vanity lamp LH (if equipped)
- Vanity lamp RH (if equipped)
- Cargo lamp
- Room lamp 2nd row
3. Check continuity between BCM connector 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 M20 terminal 56 and ground.





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