Diagnostic Aids
WARNING: This page is about a different car, the 2003 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.
When testing the sunroof motor open or close control circuits, note the sunroof glass position. If the glass is in the full open or full vent position, any request to operate the glass beyond its limit, may result with no power output to the sunroof motor.
- Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.
- Inspect for mechanical binding.