GM Service Manual Online
For 1990-2009 cars only

Step

Action

Normal Result(s)

Abnormal Result(s)*

1

Move the driver or passenger seat adjuster switches in any direction.

The seat will move in the direction that the seat adjuster switch is set.

Go to Power Seat Inoperative

2

Set the driver or passenger seat adjuster switch to the FORWARD and then to the BACK position.

The seat will move forward and then backward.

Go to Power Seat Does Not Move Forward/Rearward

3

Set the front of the driver or passenger seat adjuster switch to the UP and the to the DOWN position.

The front of the seat will move forward and then backward.

Go to Power Seat Does Not Tilt Forward

4

Set the rear of the driver or passenger seat adjuster switch to the UP and then to the DOWN position.

The rear of the seat will tilt UP and then DOWN.

Go to Power Seat Does Not Tilt Rearward

5

Set the middle of the driver or passenger seat adjuster switch to the UP and then to the DOWN position.

The set will raise and then lower.

Go to Power Seat Adjuster Does Not Move Vertically

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