GM Service Manual Online
For 1990-2009 cars only

Step

Action

Normal Result(s)

Abnormal Result(s)*

1

  1. Turn the ignition switch to the ON position.
  2. Operate the driver seat adjuster switch so that the driver's seat moves in all directions.

The driver's seat operates properly in all directions.

The driver's seat does not operate at all. Refer to Power Seat Inoperative .

2

Operate the driver seat adjuster switch so that the driver's seat moves forward and backward.

The driver's seat moves forward and backward properly.

The driver's seat does not move forward and backward properly. Refer to Power Seat Adjuster Does Not Move Horizontally .

3

Operate the driver seat adjuster switch so that the driver's seat front moves up and down.

The driver's seat front moves up and down properly.

The driver's seat front does not move up and down properly. Refer to Power Seat Inoperative in One Direction .

4

Operate the driver seat adjuster switch so that the driver's seat rear moves up and down.

The driver's seat rear moves up and down properly.

The driver's seat rear does not move up and down properly. Refer to Power Seat Inoperative in One Direction .

5

Operate the driver seat adjuster switch so that the driver's seat reclines forward and backward.

The driver's seat reclines forward and backward.

The driver's seat does not recline forward and backward. Refer to Power Seat Does Not Recline .

6

Operate the passenger seat adjuster switch so that the passenger's seat moves in all directions.

The passenger's seat operates properly in all directions.

The passenger's seat does not operate at all. Refer to Power Seat Inoperative .

7

Operate the passenger seat adjuster switch so that the passenger's seat moves forward and backward.

The passenger's seat moves forward and backward properly.

The passenger's seat does not move forward and backward properly. Refer to Power Seat Adjuster Does Not Move Horizontally .

8

Operate the passenger seat adjuster switch so that the passenger's seat front moves up and down.

The passenger's seat front moves up and down properly.

The passenger's seat front does not move up and down properly. Refer to Power Seat Inoperative in One Direction .

9

Operate the passenger seat adjuster switch so that the passenger's seat rear moves up and down.

The passenger's seat rear moves up and down properly.

The passenger's seat rear does not move up and down properly. Refer to Power Seat Inoperative in One Direction .

10

Operate the passenger seat adjuster switch so that the passenger's seat reclines forward and backward.

The passenger's seat reclines forward and backward.

The passenger's seat does not recline forward and backward. Refer to Power Seat Does Not Recline .

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