GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Outside Mirror System Check?

--

Go to Step 2

Go to Outside Mirrors System Check

2

Inspect the left outside rearview mirror.

Is the left outside rearview mirror inoperative?

--

Go to Step 3

Go to Step 7

3

  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 the left mirror.
  4. Set and hold the outside remote control rearview mirror switch to the UP position.

Does the test lamp light?

--

Go to Step 8

Go to Step 4

4

Inspect circuit 88 for a poor connection or an open.

Did you find a poor connection or an open in circuit 88?

--

Go to Step 5

Go to Step 6

5

Repair the poor connection or an open in circuit 88.

Did you complete the repair and test the system?

--

Go to Outside Mirrors System Check

--

6

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

Did you complete the repair and test the system?

--

Go to Outside Mirrors System Check

--

7

  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 the right mirror.
  4. Set and hold the outside remote control rearview mirror switch to the UP position.

Does the test lamp light?

--

Go to Step 8

Go to Step 9

8

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

Did you complete the repair and test the system?

--

Go to Outside Mirrors System Check

--

9

Inspect circuit 1498 for a poor connection or an open.

Did you find a poor connection or an open in circuit 1498?

--

Go to Step 10

Go to Step 11

10

Repair the poor connection or the open in circuit 1498.

Did you complete the repair and test the system?

--

Go to Outside Mirrors System Check

--

11

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

Did you complete the repair and test the system?

--

Go to Outside Mirrors System Check

--