GM Service Manual Online
For 1990-2009 cars only

Step

Action

Normal Result(s)

Abnormal Result(s)*

1

  1. Turn the ignition switch ON.
  2. Move the power mirror select switch to L.
  3. Operate the left power mirror assembly by pressing the power mirror switch to the UP and to the DOWN positions.
  4. Operate the left power mirror assembly by pressing the power mirror switch to the LEFT and to the RIGHT positions.

The left mirror functions normally.

Power Mirrors Inoperative - One

2

  1. Move the power mirror select switch to R.
  2. Operate the right power mirror assembly by pressing the power mirror switch to the UP and to the DOWN positions.
  3. Operate the right power mirror assembly by pressing the power mirror switch to the LEFT and to the RIGHT positions.

The right mirror functions normally.

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