Symptoms - Stationary Windows: Notes

Important:  For the inside rearview mirror with the automatic day-night feature or the rear window defogger (w/o C68), review the system operation in order to familiarize yourself with the system functions.

Refer to the following:

• AUTOMATIC DAY-NIGHT MIRROR DESCRIPTION AND OPERATION 
• REAR WINDOW DEFOGGER DESCRIPTION AND OPERATION 

For the rear window defogger (w/C68) system, perform the following steps before using the symptom tables.

1. Perform DIAGNOSTIC SYSTEM CHECK - DEFOGGER  before using the symptom tables in order to verify that all of the following conditions are true
   • No DTCs are set.
   • The control modules can communicate via the serial data link.
2. Review the rear window defogger system operation in order to familiarize yourself with the system functions. Refer to REAR WINDOW DEFOGGER DESCRIPTION AND OPERATION  .