Interior Room Lamp Power Supply Circuit

INTERIOR ROOM LAMP 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.


Component Function Check


1. CHECK INTERIOR ROOM LAMP POWER SUPPLY FUNCTION

CONSULT ACTIVE TEST
1.Turn power switch ON.
2.Turn each interior room lamp ON.
-Map lamp
-Room lamp
-Luggage room lamp
3.Select "BATTERY SAVER" of BCM (BATTERY SAVER) active test item.
4. With operating the test items, check that each interior room lamp turns ON/OFF.
Off: Interior room lamp OFF


On: Interior room lamp ON
Does each interior room lamp turn ON/OFF?
YES- Interior room lamp power supply circuit is normal.
NO- Refer to "Diagnosis Procedure" .


Diagnosis Procedure


1. CHECK INTERIOR ROOM LAMP POWER SUPPLY OUTPUT

CONSULT ACTIVE TEST
1.Turn power switch OFF.
2.Disconnect the following connectors.
-Map lamp
-Room lamp
-Luggage room lamp
3.Turn power switch ON.
4.Select "BATTERY SAVER" of BCM (BATTERY SAVER) active test item.
5.With operating the test item, check voltage between BCM harness connector and ground.





Is the inspection result normal?
YES- GO TO 2.
NO- GO TO 3.

2. CHECK INTERIOR ROOM LAMP POWER SUPPLY OPEN CIRCUIT

1.Turn power switch OFF.
2.Disconnect the BCM connector.
3.Check continuity between BCM harness connector and each interior room lamp harness connector.





Is the inspection result normal?
YES- Check for internal short circuit of each interior room lamp.
NO- Repair or replace harnesses.

3. CHECK INTERIOR ROOM LAMP POWER SUPPLY SHORT CIRCUIT

1.Turn power switch OFF.
2.Disconnect the BCM connector.
3.Check continuity between BCM harness connector and ground.





Is the inspection result normal?
YES- Replace BCM. Refer to"Removal and Installation" Service and Repair .
NO- Repair or replace harnesses.