Trunk Lamp: Testing and Inspection

TRUNK ROOM LAMP CIRCUIT

Description

Controls the trunk room lamp (ground side) to turn the trunk room lamp ON and OFF.


Component Function Check


CAUTION:
Before performing the diagnosis, check that the following is normal.
- Interior room lamp power supply
- Trunk room lamp bulb

1. CHECK TRUNK ROOM LAMP OPERATION

CONSULT ACTIVE TEST
1.Turn the ignition switch ON.
2.Select "LUGGAGE LAMP TEST" of BCM (INT LAMP) active test item.
3.With operating the test items, check that trunk room lamp turns ON/OFF.

On : Trunk room lamp ON
Off : Trunk room lamp OFF

Does the trunk room lamp turn ON/OFF?
YES- Trunk room lamp circuit is normal.
NO- Refer to "Diagnosis Procedure" .


Diagnosis Procedure


1. CHECK TRUNK ROOM LAMP OUTPUT

CONSULT ACTIVE TEST
1.Turn the ignition switch OFF.
2.Remove trunk room lamp bulb.
3.Turn the ignition switch ON.
4.Select "LUGGAGE LAMP TEST" of BCM (INT LAMP) active test item.
5.With operating the test item, check continuity between BCM harness connector and the ground.





Is the measurement value normal?
YES- GO TO 2.
Fixed ON-GO TO 3.
Fixed OFF-Replace BCM.

2. CHECK TRUNK ROOM LAMP OPEN CIRCUIT

1.Turn the ignition switch OFF.
2.Disconnect BCM connector and trunk room lamp connector.
3.Check continuity between BCM harness connector and trunk room lamp harness connector.





Does continuity exist?
YES- Replace the trunk room lamp.
NO- Repair the harnesses or connectors.

3. CHECK TRUNK ROOM LAMP SHORT CIRCUIT

1.Turn the ignition switch OFF.
2.Disconnect BCM connector and trunk room lamp connector.
3.Check continuity between BCM harness connector and the ground.





Does continuity exist?
YES- Repair the harnesses or connectors.
NO- Replace BCM.