Symptoms - Lighting: Notes

NOTE:

The following steps must be completed before doing the Symptom tables.

Perform the Diagnostic System Check - Vehicle .
- No DTCs are set.
- The control modules can communicate via the serial data link.
Review the system description and operation in order to familiarize yourself with the system functions. Refer to the following:
- Exterior Lighting Systems Description and Operation
- Interior Lighting Systems Description and Operation