For 1990-2009 cars

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
1 | Were you sent here from the Interior Lights Diagnostic Systems Check? | -- | Go to Step 2 | Go to Interior Lamps System Check
2 | Using a test lamp, backprobe the sunroof switch assembly cavity 1 to ground. Does the test lamp illuminate? | -- | Go to Step 3 | Go to Step 4
3 | Replace the sunroof switch assembly. Refer to Sunroof Switch Replacement in Roof. Is the replacement complete? | -- | Go to Interior Lamps System Check | --
4 | Repair the open in the BLU/YEL wire between S300 and the sunroof switch assembly. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Interior Lamps System Check | --