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.
  2. Use a test light to probe between the LH outside rearview mirror connector terminal A and ground.
  3. Set the outside mirror select switch to LH mirror.
  4. Set and hold the outside remote control rearview mirror switch to UP.

Does the test light illuminate?

--

Go to Step 7

Go to Step 3

3

Use a J 39200 to check circuit 88 for a poor connection or an open.

Is there a poor connection or an open in circuit 88?

--

Go to Step 4

Go to Step 5

4

Repair the poor connection or an open in circuit 88.

Has the repair been made and the system rechecked?

--

System OK

--

5

Replace the LH outside remote control rearview mirror switch. Refer to Doors.

Has the repair been made and the system rechecked?

--

System OK

--

6

  1. Disconnect the RH outside rearview mirror.
  2. Use a test light to probe between the RH outside rearview mirror connector terminal A and ground.
  3. Set the outside mirror select switch to RH mirror.
  4. Set and hold the outside remote control rearview mirror switch to UP.

Does the test light illuminate?

--

Go to Step 7

Go to Step 8

7

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

Has the repair been made and the system rechecked?

--

System OK

--

8

Use a J 39200 to heck circuit 1498 for a poor connection or an open.

Is there a poor connection or an open in circuit 1498?

--

Go to Step 9

Go to Step 10

9

Repair the poor connection or an open in circuit 1498.

Has the repair been made and the system rechecked?

--

System OK

--

10

Replace the RH outside remote control rearview mirror switch. Refer to Outside Rearview Mirror Motor Replacement .

Has the repair been made and the system rechecked?

--

System OK

--