GM Service Manual Online
For 1990-2009 cars only

Lumbar Support System Check Oldsmobile w/ AL2

Step

Action

Normal Result(s)

Abnormal Result(s)*

1

  1. Sit in the left seat.
  2. Briefly hold the left lumbar switch in the INFLATE position.
    â€¢ You can hear the seat air pump running.
    â€¢ The left seat lumbar support inflates.

Lumbar Support Inoperative

2

Briefly hold the left lumbar switch in the DEFLATE position.

The left seat lumbar support deflates.

Lumbar Support Does Not Deflate

3

  1. Sit in the right seat.
  2. Briefly hold the right lumbar switch in the INFLATE position.
    â€¢ You can hear the seat air pump running.
    â€¢ The right lumbar support inflates.

Lumbar Support Inoperative

4

Briefly hold the right lumbar switch in the DEFLATE position.

The right lumbar support deflates.

Lumbar Support Does Not Deflate

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

Lumbar Support System Check Pontiac w/ AL7

Step

Action

Normal Result(s)

Abnormal Result(s)*

1

  1. Place the seat select switch in the LH position.
  2. Briefly hold each of the following lumbar switches in the INFLATE position:
  3. • UPPER
    • MIDDLE
    • LOWER
    • SIDE BOLSTER
    â€¢ You can hear the seat air pump running.
    â€¢ The appropriate section of the LH lumbar support inflates.
    â€¢  Lumbar Support Inoperative

2

Briefly hold each of the following lumbar switches in the DEFLATE position:

    â€¢ UPPER
    â€¢ MIDDLE
    â€¢ LOWER
    â€¢ SIDE BOLSTER
    â€¢ You can hear the seat air pump running.
    â€¢ The appropriate section of the left lumbar support deflates.
    â€¢  Lumbar Support Inoperative

3

  1. Place the seat select switch in the RH position.
  2. Briefly hold each of the following lumbar switches in the INFLATE position:
  3. • UPPER
    • MIDDLE
    • LOWER
    • SIDE BOLSTER
    â€¢ You can hear the seat air pump running.
    â€¢ The appropriate section of the right lumbar support deflates.
    â€¢  Lumbar Support Inoperative

4

Briefly hold each of the following lumbar switches in the DEFLATE position:

    â€¢ UPPER
    â€¢ MIDDLE
    â€¢ LOWER
    â€¢ SIDE BOLSTER
    â€¢ You can hear the seat air pump running.
    â€¢ The appropriate section of the left lumbar support deflates.
    â€¢  Lumbar Support Inoperative

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