Diagnostic Aids
WARNING: This page is about a different car, the 2000 Chevrolet Corvette and 1999 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
Following conditions may cause an intermittent malfunction:
- Intermittent short to ground in master switch assembly right window up input circuit (Light Blue wire).
- Master switch assembly right window up switch circuit is shorted to ground internally or is sticking.
- Master switch assembly right window up switch was depressed for longer than 20 seconds.
If Light Blue wire is shorted to ground or master switch assembly right window up switch is stuck closed, right window will remain up at all times. Using scan tool, select LDCM inputs and monitor right window up switch status. If scan tool displays ACTIVE, disconnect right window switch. If status did not change to INACTIVE, check Light Blue wire for short to ground.