GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

DEFINITION: This diagnostic table should only be used if the LH mirror moves up and down but will not move left to right.

1

  1. Disconnect the right power outside mirror connector.
  2. Position the selector switch to the RH power mirror.
  3. Connect a test lamp between CKT 881 (RED/WHT) cavity E and ground.
  4. Press the switch to the right position.

Does the test lamp light?

--

Go to Step 2

Go to Step 3

2

Replace the horizontal power mirror motor. Refer to Outside Rearview Mirror Replacement in Doors.

Is the repair complete?

--

System OK

--

3

  1. Locate and repair open in CKT 881 (RED/WHT) between the RH outside power mirror and the power mirror switch.
  2. If there is no open, replace the power mirror switch. Refer to Power Accessory Switch Panel Replacement .

Is the repair complete?

--

System OK

--