1.CHECK INTERIOR ROOM LAMP CONTROL OUTPUT CONSULT-III ACTIVE TEST

1. Turn the ignition switch OFF.
2. Remove all the bulbs of map lamp.
3. Select “INT LAMP” of BCM (INT LAMP) active test item.
4. With operating the test item, check continuity between BCM harness connector and the ground.

BCM | Ground | Test item | Continuity
Connector | Terminal | INT LAMP
M119 | 19 | On | Existed
Off | Not existed

Is the measurement value normal?
YES>>GO TO 2.
Fixed ON>>GO TO 3.
Fixed OFF>>Replace BCM.
2.CHECK INTERIOR ROOM LAMP CONTROL OPEN CIRCUIT

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

BCM | Map lamp | Continuity
Connector | Terminal | Connector | Terminal
M119 | 19 | R6 | 2 | Existed

Does continuity exist?
YES>>Replace the map lamp.
NO>>Repair the harnesses or connectors.
3.CHECK INTERIOR ROOM LAMP CONTROL SHORT CIRCUIT

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

BCM | Ground | Continuity
Connector | Terminal
M119 | 19 | Not existed

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