GM Service Manual Online
For 1990-2009 cars only

Step

Action

Normal Result(s)

Abnormal Result(s)*

1

  1. Make sure the sunroof is closed.
  2. Push the sunroof switch to the OPEN position.

The sunroof slides open (back) until the fully opened position is reached.

Power Sunroof Inoperative

2

Push the sunroof switch to the CLOSED position.

Sunroof slides closed (forward) until the sunroof switch is released or the fully closed position is reached.

Power Sunroof Inoperative

3

With the sunroof fully closed, push the sunroof switch to the CLOSED position.

Sunroof lifts up into the vent position until the sunroof switch is released or the highest point is reached.

Power Sunroof Inoperative

4

With the sunroof in the vent position, push the sunroof switch to the OPEN position.

Sunroof will lower until the sunroof switch is released or the fully closed position is reached.

Power Sunroof Inoperative

* Refer to the appropriate symptom diagnostic table for the applicable abnormal result.