GM Service Manual Online
For 1990-2009 cars only

Memory Seats System Check A45 with AL2

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

Press the 1 button on the memory function switch.

A single chime is heard. The LH seat and headrest move to the positions programmed for driver 1. Note that the lumbar support, the steering column, and both mirrors may also move.

Power Seats - Memory Switch Inoperative

7

Press the 2 button on the memory function switch.

A single chime is heard. The LH seat and headrest move to the positions programmed for driver 2. Note that the lumbar support, the steering column, and both mirrors may also move.

Power Seats - Memory Switch Inoperative

8

Press the EXIT button on the memory function switch.

A single chime is heard. The LH seat moves to the exit position programmed for the last driver to perform a memory recall or record function. Note that the steering column also moves to the exit position.

Power Seats - Memory Switch Inoperative

9

  1. Move the LH seat and headrest to the desired position.
  2. Press the SET button followed by the 1 button within 5 seconds on the memory function switch.
  3. Move the LH seat and headrest in all directions.
  4. Press the 1 button on the memory function switch.
    • The LH seat and headrest move as commanded.
    • A single chime is heard. Current positions for the LH seat and headrest are stored in memory. Note that the positions for the steering column, the lumbar support, and both mirrors will also be stored.
    • The LH seat and headrest move as commanded.
    • A single chime is heard. The LH seat and the headrest move to the positions programmed for driver 1.
    •  Power Seat Inoperative

10

  1. Apply the parking brake.
  2. Move the gear selector lever out of the PARK position.
  3. Press the 1 button on the memory function switch.

The LH seat and headrest do not move.

Automatic Transmission Shift Lock Control System Check in Steering

11

  1. Turn the ignition switch to the OFF position.
  2. Move the gear selector lever in the PARK position.
  3. Press the UNLOCK button on the driver 1 keyless entry transmitter.
  4. Press the UNLOCK button on the driver 2 keyless entry transmitter.

The LH seat and headrest perform one of three personalized options. Refer to Memory Seat Description .

Diagnostic System Check - Remote Keyless Entry in Keyless Entry

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

Memory Seats System Check A45 with AC9

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

Press the 1 button on the memory function switch.

A single chime is heard. The LH seat and headrest move to the positions programmed for driver 1. Note that the steering column and both mirrors may also move.

Power Seats - Memory Switch Inoperative

7

Press the 2 button on the memory function switch.

A single chime is heard. The LH seat and headrest move to the positions programmed for driver 2. Note that the steering column and both mirrors may also move.

Power Seats - Memory Switch Inoperative

8

Press the EXIT button on the memory function switch.

A single chime is heard. The LH seat moves to the exit position programmed for the last driver to perform a memory recall or record function. Note that the steering column also moves to the exit position.

Power Seats - Memory Switch Inoperative

9

  1. Move the LH seat and headrest to the desired position.
  2. Press the SET button followed by the 1 button within 5 seconds on the memory function switch.
  3. Move the LH seat and headrest in all directions.
  4. Press the 1 button on the memory function switch.
    • The LH seat and headrest move as commanded.
    • A single chime is heard. Current positions for the LH seat and headrest are stored in memory. Note that the positions for the steering column and both mirrors will also be stored.
    • The LH seat and headrest move as commanded.
    • A single chime is heard. The LH seat and the headrest, the steering column move to the positions programmed for driver 1.
    •  Power Seat Inoperative

10

  1. Apply the parking brake.
  2. Move the gear selector lever out of the PARK position.
  3. Press the 1 button on the memory function switch.

The LH seat and headrest do not move.

Automatic Transmission Shift Lock Control System Check in Steering

11

  1. Turn the ignition switch to the OFF position.
  2. Move the gear selector lever in the PARK position.
  3. Press the UNLOCK button on the driver 1 keyless entry transmitter.
  4. Press the UNLOCK button on the driver 2 keyless entry transmitter.

The LH seat and headrest perform one of three personalized options. Refer to Memory Seat Description .

Diagnostic System Check - Remote Keyless Entry in Keyless Entry

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