Symptoms - Lighting: Notes
NOTE:
The following steps must be completed before using a symptom table.
- Perform the DIAGNOSTIC SYSTEM CHECK - VEHICLE
before using a symptom table in order to verify that all of the following conditions are true:
- There are no DTCs 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: