Check continuity between the front combination lamp or the rear combination lamp and the ground.
Front combination lampFront combination lamp
| Ground
| Continuity
|
Connector
| Terminal
|
RH
| E58
| 2
| Existed
|
LH
| E28
| 2
|
Rear combination lampRear combination lamp
| Ground
| Continuity
|
Connector
| Terminal
|
RH
| B240
| 3
| Existed
|
LH
| B57
| 3
|
Does continuity exist?
YES
>>Replace the front combination lamp or the rear combination lamp.
NO
>>Repair the harnesses or connectors.