GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you review power mirrors operation and perform the necessary inspections?

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Go to Step 2

Go to Symptoms

2

  1. Disconnect the RH outside power mirror.
  2. Connect a test lamp from CKT 90 (GRY) cavity E at the RH outside power mirror to ground.
  3. Place the selector switch in the RH mirror position.
  4. Press the switch to the LEFT position.

Does the test lamp light?

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Go to Step 4

Go to Step 3

3

  1. Using a test lamp backprobe CKT 90 (GRY) cavity C at the Outside Rear View Remote Control Switch to ground.
  2. Press the switch to the left position.

Does the test lamp light?

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Go to Step 5

Go to Step 6

4

Replace the outside rearview mirror. Refer to Outside Rearview Mirror Replacement .

Is the repair complete?

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Go to Step 7

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5

Locate and repair an open in CKT 90 (GRY) between the RH outside mirror and the outside rearview mirror control switch.

Is the repair complete?

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Go to Step 7

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6

Replace the outside rearview mirror control switch. Refer to Power Accessory Switch Panel Replacement .

Is the repair complete?

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Go to Step 7

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7

Operate the system in order to verify the repair.

Did you correct the condition?

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System OK

Go to Step 2