Grand Prix V6-3.8L VIN 2 (2004)
Heated Glass Element: Symptom Related Diagnostic Procedures
A Symptoms
SYMPTOMS - HEATED GLASS ELEMENTS
IMPORTANT: For the rear window defogger system, the following steps must be performed before using the symptom tables.
1. Perform the Diagnostic System Check - Defogger before using the symptom tables in order to verify that all of the following are true:
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There are no DTCs set.
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The control modules can communicate via the serial data link. See: Initial Inspection and Diagnostic Overview/Diagnostic System Check -
Heated Glass Element
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.
Visual/Physical Inspection
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Inspect for aftermarket devices which could affect the operation of the rear window defogger.
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Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.
Intermittent
Faulty electrical connections or wiring may be the cause of intermittent conditions.
Symptom List
Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:
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Defogger Inoperative - Rear Window
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Defogger Grid Lines Diagnosis
Defogger Inoperative - Rear Window
DEFOGGER INOPERATIVE - REAR WINDOW
TEST DESCRIPTION