GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Power Mirror System Check?

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Go to Step 2

Go to Outside Mirrors System Check

2

  1. Disconnect the power mirror switch
  2. Move the mirror select switch to the LEFT position.
  3. Connect a test lamp between the mirror switch connector terminal H and terminal G.
  4. Operate the mirror switch to the UP position and the DOWN position.

Does the test lamp light in both positions?

--

Go to Step 3

Go to Step 5

3

  1. Move the mirror select switch to the LEFT position.
  2. Connect a test lamp between the mirror switch connector terminal H and terminal F.
  3. Operate the mirror switch to the RIGHT position and the LEFT position.

Does the test lamp light in both positions?

--

Go to Step 4

Go to Step 5

4

Replace the left mirror drive unit. Refer to Outside Rearview Mirror Motor Replacement .

Is the repair complete?

--

Go to Outside Mirrors System Check

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5

Replace the outside mirror switch.

Is the repair complete?

--

Go to Outside Mirrors System Check

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