- Turn the ignition switch OFF.
- Disconnect BCM connector and trunk room lamp connector.
- Check continuity between BCM harness connector and trunk room lamp harness connector.
BCM
|
Trunk room lamp
|
Continuity
|
Connector
|
Terminal
|
Connector
|
Terminal
|
M120
|
30
|
B42
|
2
|
Existed
|
Does continuity exist?
YES
>>Replace the trunk room lamp.
NO
>>Repair the harnesses or connectors.