Symptoms - Stationary Windows: Notes

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Notes
WARNING: This page is about a different car, the 2002 Buick Regal and 2002 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.

Important:Β  For the inside rearview mirror with the automatic Day/Night feature or the rear window defogger (w/CJ2), review the system operation in order to familiarize yourself with the system functions. Refer to the following:

For the rear window defogger (w/CJ2) system, perform the following steps before using the symptom tables:

  1. Perform Diagnostic System Check - DefoggerΒ  before using the symptom tables in order to verify that 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 OperationΒ .
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.