GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the outside mirrors system check?

--

Go to Step 2

Go to Outside Mirrors System Check

2

Is the left outside rearview mirror inoperative?

--

Go to Step 3

Go to Step 8

3

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

Does the test light illuminate?

--

Go to Step 4

Go to Step 5

4

Replace the left mirror motor pack. Refer to Outside Rearview Mirror Motor Replacement .

Has the repair been made and the system rechecked?

--

Go to Outside Mirrors System Check

--

5

Check for a poor connection or an open in circuit 82.

Is there a poor connection or an open in circuit 82?

--

Go to Step 6

Go to Step 7

6

Repair a poor connection or an open in circuit 82.

Has the repair been made and the system rechecked?

--

Refer to Outside Mirrors System Check

--

7

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

Has the repair been made and the system rechecked?

--

Refer to Outside Mirrors System Check

--

8

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

Does the test light illuminate?

--

Go to Step 9

Go to Step 10

9

Replace the right mirror motor pack. Refer to Outside Rearview Mirror Motor Replacement

Has the repair been made and the system rechecked?

--

Refer to Outside Mirrors System Check

--

10

Check for a poor connection or an open in circuit 90.

Is there a poor connection or an open in circuit 90?

--

Go to Step 11

Go to Step 7

11

Repair a poor connection or an open in circuit 90.

Has the repair been made and the system rechecked?

--

Refer to Outside Mirrors System Check

--