Interior Room Lamp Control Does Not Operate (With Map Lamp)

INTERIOR ROOM LAMP


Interior Room Lamp Control Does Not Operate (With Map Lamp)

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. CONSULT-III Function (BCM) 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
R7 terminal 3 and ground.

3 - Ground : Battery voltage.

OK or NG
OK - GO TO 6.
NG - GO TO 4.
4.CHECK MAP LAMP INPUT CIRCUIT





1. Map lamp switch is in OFF position.
2. Check voltage between map lamp harness connector R2 terminal 4 and ground.

4 - Ground : Battery voltage.

OK or NG
OK - GO TO 5.
NG - Repair harness or connector.
5.CHECK ROOM LAMP INPUT CIRCUIT





1. Disconnect map lamp connector and interior room lamp connector.
2. Check continuity between map lamp harness connector R3 (A) terminal 6 and interior room lamp harness connector R7 (B) terminal 3.

6 - 3 : Continuity should exist.

OK or NG
OK - Replace map lamp.
NG - Repair harness or connector.
6.CHECK ROOM LAMP





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





OK or NG
OK - GO TO 7.
NG - Check bulb. If OK, replace interior room lamp.
7.CHECK MAP LAMP





1. Disconnect map lamp connectors.
2. Check continuity between map lamp terminals.

2 - 5 : Continuity should exist.

OK or NG
OK - GO TO 8.
NG - Replace map lamp.
8.CHECK CIRCUIT BETWEEN ROOM LAMP AND MAP LAMP





Check continuity between interior room lamp harness connector R7
(A) terminal 2 and map lamp harness connector R3 (B) terminal 5.

2 - 5 : Continuity should exist.

OK or NG
OK - GO TO 9.
NG - Repair harness or connector.
9.CHECK CIRCUIT BETWEEN MAP LAMP AND BCM





1. Disconnect BCM connector.
2. Check continuity between BCM harness connector M20 (A) terminal 63 and map lamp harness connector R2 (B) terminal 2.

63 - 2 : Continuity should exist.

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