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 7

2

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

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

Use J 39200 in order to inspect circuit 1499 for a poor connection or for an open.

Did you find a poor connection or an open?

--

Go to Step 5

Go to Step 6

5

Repair the poor connection or open in circuit 1499.

Is the repair complete?

--

System OK

--

6

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

Is the repair complete?

--

System OK

--

7

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

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

Use a J 39200 in order to inspect circuit 1497 for a poor connection or for an open.

Did you find a poor connection or open in circuit 1497?

--

Go to Step 10

Go to Step 11

10

Repair the poor connection or open in circuit 1497.

Is the repair complete?

--

System OK

--

11

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

Is the repair complete?

--

System OK

--