GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 1998 🢒 Grand Prix 🢒 Body and Accessories 🢒 Roof 🢒 Power Sunroof System Check

Step

Action

Normal Result(s)

Abnormal Result(s)*

1
  1. Ensure that the sunroof is closed.
  2. Push the sunroof switch to the OPEN position.

One of the following conditions may occur:

    • The sunroof slides open (back) until reaching the vent stop position.
    • The express open operation is aborted because of the following functions:
       - Releasing the open switch.
       - Pushing the sunroof switch to either the CLOSE or OPEN position.

Power Sunroof Does Not Open

2
  1. Ensure that the sunroof is in the vent position.
  2. Push the sunroof switch to the OPEN position.

One of the following conditions may occur:

    • The sunroof slides open (back) until reaching the fully open position.
    • The express open operation is aborted because of the following functions:
       - Releasing the open switch
       - Pushing the sunroof switch to either the CLOSE or OPEN position

3
  1. Ensure that the sunroof is in the fully OPEN position.
  2. Push the sunroof switch to the CLOSE position.

The sunroof slides closed (forward) until releasing the sunroof switch position or reaching the fully closed position.

Power Sunroof Does Not Close

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