GM Service Manual Online
For 1990-2009 cars only

Step

Action

Normal Result(s)

Abnormal Result(s)*

1

  1. Put the mirror select switch in the left side position.
  2. Operate the mirror control switch in all directions.

The LH outside rear view mirror moves smoothly in all directions.

Power Mirrors Inoperative - LH

2

  1. Put the mirror select switch in the right side position.
  2. Operate the mirror control switch in all directions.

The RH outside rear view mirror moves smoothly in all directions.

Power Mirrors Inoperative - RH

3

Operate the mirror control switch in the left and right positions.

Both outside rearview mirrors work properly.

Power Mirrors Inoperative

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