GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

DEFINITION: This diagnostic table should only be used if 1 mirror does not move in any direction.

1

Did you perform the Power Door Systems Diagnostic System Check?

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Go to Step 2

Go to Diagnostic System Check - Power Door Systems

2

Verify that one of the power mirrors is inoperative.

Do the power mirrors operate normally?

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Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 3

3

  1. Disconnect the inoperative power outside mirror connector.
  2. Position the selector switch to the inoperative power mirror.
  3. Connect a test lamp between CKT 1496 (YEL) cavity C and ground.
  4. Press the switch to the up and down / right and left position.

Does the test lamp illuminate?

--

Go to Step 4

Go to Step 5

4

Replace the inoperative power outside mirror. Refer to Outside Rearview Mirror Replacement .

Did you complete the repair?

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Go to Step 6

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5

  1. Locate and repair open in CKT 1496 (YEL) between the inoperative power outside mirror and the power mirror switch. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
  2. If there is no open, replace the power mirror switch.

Did you complete the repair?

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Go to Step 6

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6

Operate the system in order to verify the repair.

Did you find and correct the condition?

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System OK

Go to Step 3