Symptoms-Lighting Systems: Notes
WARNING: This page is about a different car, the 2003 Pontiac Montana, 2003 Oldsmobile Silhouette, and 2003 Chevrolet Venture. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT:
The following step must be completed before using the symptom tables.
- Perform Diagnostic System Check Chart (Lighting Systems)
before using the Symptom Tables in order to verify that all of the following are true:
- There are not DTCs set.
- The control modules are operating properly.
- Review the system description and operation in order to familiarize yourself with the system functions. Refer the EXTERIOR LIGHTING SYSTEMS DESCRIPTION AND OPERATION or INTERIOR LIGHTING SYSTEMS DESCRIPTION AND OPERATION .