Step | Action | Value(s) | Yes | No |
---|---|---|---|---|
Important: A short to ground will cause an open fuse(s). Before performing this diagnostic procedure, inspect the fuse(s) for an open. | ||||
1 | Inspect the body control module (BCM) for any stored DTCs. Refer to Diagnostic Trouble Code (DTC) List/Type in Body Control System. Does the BCM have any stored DTCs? | -- | Go to Step 2 | Go to Step 3 |
2 | Correct any code setting conditions that exist. Refer to Diagnostic Trouble Code (DTC) List/Type in Body Control System. Is the repair complete? | -- | -- | |
3 |
Do the park lamps light? | -- | Go to Step 4 | Go to Step 5 |
4 | Replace the ambient light sensor. Is the repair complete? | -- | -- | |
5 |
Do the park lamps light? | -- | Go to Step 6 | Go to Step 7 |
6 | Replace the faulty relay? | -- | -- | |
7 | Replace the underhood junction block. Refer to Underhood Fuse Block Replacement in Engine Electrical. Is the repair complete? | -- | -- |