GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Is the inoperative mirror the left outside rearview mirror?

--

Go to Step 2

Go to Step 6

2

  1. Disconnect the left outside rearview mirror.
  2. Use a test light in order to probe between the left outside rearview mirror connector terminal C and ground.
  3. Set the outside mirror select switch to left mirror.
  4. Set and hold the outside remote control rearview mirror switch to RIGHT.

Does the test light illuminate?

--

Go to Step 7

Go to Step 3

3

Use a J 39200 in order to inspect circuit 81 for a poor connection or for an open.

Did you find a poor connection or an open?

--

Go to Step 4

Go to Step 5

4

Repair the poor connection or open in circuit 81.

Has the repair been made and the system rechecked?

--

--

System OK

5

Replace the left outside remote control rearview mirror switch. Refer to Rear Side Door Window Switch Replacement .

Has the repair been made and the system rechecked?

--

--

System OK

6

  1. Disconnect the right outside rearview mirror.
  2. Use a test light in order to probe between the right outside rearview mirror connector terminal C and ground.
  3. Set the outside mirror select switch to right mirror.
  4. Set and hold the outside remote control rearview mirror switch to RIGHT.

Does the test light illuminate?

--

Go to Step 7

Go to Step 8

7

  1. Replace the mirror motor pack within the outside rearview mirror. Refer to Outside Rearview Mirror Motor Replacement .
  2. Inspect the system.

Has the repair been made and the system rechecked?

--

--

System OK

8

Use a J 39200 in order to inspect circuit 881 for a poor connection or for an open.

Did you find a poor connection or open in circuit 881?

--

Go to Step 9

Go to Step 10

9

Repair the poor connection or open in circuit 881.

Has the repair been made and the system rechecked?

--

--

System OK

10

Replace the right outside remote control rearview mirror switch. Refer to Rear Side Door Window Switch Replacement .

Has the repair been made and the system rechecked?

--

--

System OK