pontiac Workshop Repair Guides

Pontiac Workshop Service and Repair Manuals

Initial Inspection and Diagnostic Overview|Page 8541 > < Initial Inspection and Diagnostic Overview
Page 1
background image

Heated Glass Element: Symptom Related Diagnostic Procedures

A Symptoms

SYMPTOMS - STATIONARY WINDOWS

IMPORTANT:  Review the Rear Window Defogger Description and Operation in order to familiarize yourself with the system functions.

Visual/Physical Inspection
-

Inspect for aftermarket devices which could affect the operation of the system.

-

Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.

-

Inspect all related ground points for being clean and tight.

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:
-

Defogger Inoperative - Rear Window

-

Defogger Grid Lines Diagnosis

Initial Inspection and Diagnostic Overview|Page 8541 > < Initial Inspection and Diagnostic Overview