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 activating.
BATTERY SAVER OUTPUT/POWER SUPPLY CIRCUIT
Diagnosis Procedure
1.CHECK BATTERY SAVER OUTPUT/POWER SUPPLY OUTPUT
CONSULT-III
- Turn ignition switch ON.
- Select "BATTERY SAVER" of BCM (BATTERY SAVER) active test item.
- 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. Refer to See: Body and Frame\Body Control Systems\Body Control Module\Service and Repair.
2.CHECK BATTERY SAVER OUTPUT/POWER SUPPLY OPEN CIRCUIT
- Turn ignition switch OFF.
- Disconnect the following connectors.
- BCM M17
- Front room/map lamp assembly
- Room lamp (coupe)
- Vanity mirror lamp LH (if equipped)
- Vanity mirror lamp RH (if equipped)
- Trunk room lamp
- Step lamp LH
- Step lamp RH
- 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 >> Check that each interior room lamp has no internal short circuit.
NO >> Repair the harness or connectors.
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