Check continuity between the rear combination lamp harness connector and the rear side marker lamp.
Rear combination lamp
| Rear side marker lamp
| Continuity
|
Connector
| Terminal
| Connector
| Terminal
|
RH
| B240
| 3
| B372
| 2
| Existed
|
LH
| B57
| 3
| B371
| 2
|
Does continuity exist?
YES
>>Replace the rear side marker lamp assembly.
NO
>>Repair the harnesses or connectors.