Defogger System Check. Pontiac Sun Runner - 4WD (Canada) 1998

For 1990-2009 cars

Step | Action | Normal Result(s) | Abnormal Result(s)*
--- | --- | --- | ---

1

1. Turn ignition switch to ON.
2. Press the rear defogger switch to ON.

The indicator lamp lights and the rear window warms.

• | Rear Window Defogger Inoperative

• | Defogger Inoperative - Rear Window, Indicator Lamp On

2 | Press the rear defogger switch to OFF. | The indicator lamp goes out and the rear window cools. | Rear Window Defogger Always On
* Refer to the appropriate symptom diagnostic table for the applicable abnormal result.