GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Is the inoperative mirror the LH outside rearview mirror?

--

Go to Step 2

Go to Step 6

2

  1. Disconnect the LH outside rearview mirror wiring harness connector.
  2. Using a test light, probe between B+ and the LH outside rearview mirror harness connector (male side) terminal A.
  3. Set the outside mirror select switch to LH mirror.
  4. Press and hold the outside remote control rearview mirror switch to the LEFT position.

Does the test light illuminate?

--

Go to Step 7

Go to Step 3

3

Check for a poor connection or an open in circuit 81.

Is there a poor connection or an open in circuit 81?

--

Go to Step 4

Go to Step 5

4

Repair a poor connection or an open in circuit 81.

Has the repair been made and the system rechecked?

--

Refer to Outside Mirrors System Check

--

5

Replace the outside remote control rearview mirror switch. Refer to Mirror, Window, and Door Lock Switch Replacement (Front Door) for service procedure.

Has the repair been made and the system rechecked?

--

Refer to Outside Mirrors System Check

--

6

  1. Disconnect the RH outside rearview mirror wiring harness connector.
  2. Using a test light, probe between B+ and the RH outside rearview mirror harness connector (male side) terminal A .
  3. Set the outside mirror select switch to RH mirror.
  4. Press and hold the outside remote control rearview mirror switch to LEFT.

Does the test light illuminate?

--

Go to Step 7

Go to Step 8

7

Replace the mirror motor pack. Refer to Outside Rearview Mirror Motor Replacement for service procedure.

Has the repair been made and the system rechecked?

--

Refer to Outside Mirrors System Check

--

8

Check for a poor connection or an open in circuit 881.

Is there a poor connection or an open in circuit 881?

--

Go to Step 9

Go to Step 5

9

Repair for a poor connection or an open in circuit 881.

Has the repair been made and the system rechecked?

--

Refer to Outside Mirrors System Check

--