GM Service Manual Online
For 1990-2009 cars only

Step

Action

Normal Result(s)

Abnormal Result(s)*

1

Operate the LH seat rear height switch in the UP and DOWN directions.

The rear of the LH seat moves up and down.

Power Seat Does Not Tilt Rearward

2

Operate the LH seat front height switch in the UP and DOWN directions.

The front of the LH seat moves up and down.

Power Seat Does Not Tilt Forward

3

Operate the LH entire seat switch in the FORWARD and BACK directions.

The entire LH seat moves forward and back.

Power Seat Does Not Move Forward/Rearward

4

Operate the LH recline seat back switch in the FORWARD and BACK directions.

The LH seat back reclines forward and back.

Power Seat Does Not Recline

5

Operate the LH headrest switch in the UP and DOWN directions.

The LH headrest moves up and down.

    •  Power Seat Inoperative

6

Operate the RH seat rear height switch in the UP and DOWN directions.

The rear of the RH seat moves up and down.

Power Seat Does Not Tilt Rearward

7

Operate the RH seat front height switch in the UP and DOWN directions.

The front of the RH seat moves up and down.

Power Seat Does Not Tilt Forward

8

Operate the RH entire seat switch in the FORWARD and BACK directions.

The entire RH seat moves forward and back.

Power Seat Does Not Move Forward/Rearward

9

Operate the RH recline seat back switch in the FORWARD and BACK directions.

The RH seat back reclines forward and back.

Power Seat Does Not Recline

10

Operate the RH headrest switch in the UP and DOWN directions.

The RH headrest moves up and down.

    •  Power Seat Inoperative

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