Visual/Physical Inspection
WARNING: This page is about a different car, the 2006 Isuzu Ascender, 2006 GMC Envoy XL, 2006 GMC Envoy, 2006 Chevrolet TrailBlazer, and 2006 Buick Rainier. However, it is still accessible from the selected car via links, so may be relevant.
- Inspect for aftermarket devices which could affect the operation of the systems. Refer to Checking Aftermarket Accessories in Wiring Systems.
- Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.