GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Inspect the left outside rearview mirror.

Is the left outside rearview mirror inoperative?

--

Go to Step 2

Go to Step 7

2

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

Does the test light illuminate?

--

Go to Step 3

Go to Step 4

3

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

Is the repair complete?

--

System OK

--

4

Inspect CKT 1499 for a poor connection or an open.

Is there a poor connection or an open in CKT 1499?

--

Go to Step 5

Go to Step 6

5

Repair the poor connection or the open in CKT 1499.

Is the repair complete?

--

System OK

--

6

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

Is the repair complete?

--

System OK

--

7

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

Does the test light illuminate?

--

Go to Step 8

Go to Step 9

8

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

Is the repair complete?

--

System OK

--

9

Inspect CKT 1497 for a poor connection or an open.

Is there a poor connection or an open in CKT 1497?

--

Go to Step 10

Go to Step 11

10

Repair the poor connection or the open in CKT 1497.

Is the repair complete?

--

System OK

--

11

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

Is the repair complete?

--

System OK

--