Symptom Related Diagnostic Procedures

INTERIOR ROOM LAMP


Interior Room Lamp Control Does Not Operate

1.CHECK EACH SWITCH
Select "BCM" on CONSULT-III. With "INT LAMP" data monitor, make sure switches listed in display item list turn ON-OFF linked with switch operation. Interior Room Lamp for switches and their functions.
OK or NG
OK - GO TO 2.
NG - Inspect malfunctioning switch system.
2.ACTIVE TEST
1. Select "BCM" on CONSULT-III. Select "INT LAMP" active test.
2. When room lamp switch is in DOOR position, make sure room lamp operates.

Room lamp should operate.

OK or NG
OK - Replace BCM. Service and Repair.
NG - GO TO 3.
3.CHECK ROOM LAMP INPUT VOLTAGE





1. Turn ignition switch OFF.
2. Check voltage between interior room lamp harness connector
R5 terminal 2 and ground.

2 - Ground : Battery voltage should exist.

OK or NG
OK - GO TO 4.
NG - GO TO 5.
4.CHECK ROOM LAMP





1. Disconnect room lamp connector.
2. Check continuity between room lamp terminals.





OK or NG
OK - GO TO 6.
NG - Check bulb. If OK, replace room lamp. Service and Repair .
5.CHECK ROOM LAMP CIRCUIT





1. Disconnect BCM and interior room lamp connectors.
2. Check continuity between BCM harness connector M20 (A) terminal 56 and room lamp harness connector R5 (B) terminal 2.

56 - 2 : Continuity should exist.

OK or NG
OK - GO TO 6.
NG - Repair harness or connector.
6.CHECK ROOM LAMP CIRCUIT





1. Disconnect BCM connector.
2. Check continuity between BCM harness connector M20 (A) terminal 63 and room lamp harness connector R5 (B) terminal 1.

63 - 1 : Continuity should exist.

OK or NG
OK - Replace BCM if interior lamp does not work after setting the connector again. Service and Repair.
NG - Repair harness or connector.