GM Service Manual Online
For 1990-2009 cars only

Power Mirrors Inoperative - One Chevrolet

Step

Action

Value(s)

Yes

No

1

  1. Use the mirror select switch to select the inoperative mirror.
  2. If the left mirror is inoperative, backprobe with a test lamp from the outside rearview mirror switch connector terminal B to terminal C.
  3. If the right mirror is inoperative, backprobe with a test lamp from the outside rearview mirror switch connector terminal G to terminal F.
  4. While observing the test lamp, press the mirror position switch to the UP position.

Does the test lamp light?

--

Go to Step 3

Go to Step 2

2

  1. Test for a poor connection at the outside rearview mirror switch connector.
  2. If OK, replace the outside rearview mirror switch.

Is the repair complete?

--

System OK

--

3

  1. Using a test lamp, backprobe from outside rearview mirror connector terminal D to terminal C.
  2. Press the mirror position switch to the UP position while observing the test lamp.

Does the test lamp light?

--

Go to Step 4

Go to Step 5

4

  1. Test for a poor connection at the outside rearview mirror connector.
  2. If OK, replace the mirror motor pack within the power mirror. Refer to Outside Rearview Mirror Replacement .

Is the repair complete?

--

System OK

--

5

  1. If the left mirror is inoperative, repair the open in CKT 82, between mirror switch connector terminal C and S501.
  2. If the right mirror is inoperative, repair the open in CKT 90, between mirror switch connector terminal F and S610.

Is the repair complete?

--

System OK

--

Power Mirrors Inoperative - One Pontiac

Step

Action

Value(s)

Yes

No

1

  1. Use the mirror select switch to select the inoperative mirror.
  2. If the left mirror is inoperative, backprobe with a test lamp from the outside rearview mirror switch connector terminal C to terminal E.
  3. If the right mirror is inoperative, backprobe with a test lamp from the outside rearview mirror switch connector terminal C to terminal F.
  4. While observing the test lamp, press the mirror position switch to the UP position.

Does the test lamp light?

--

Go to Step 3

Go to Step 2

2

  1. Test for a poor connection at the outside rearview mirror switch connector.
  2. If OK, replace the outside rearview mirror switch.

Is the repair complete?

--

Go to Step 3

System OK

3

  1. Using a test lamp, backprobe from outside rearview mirror connector terminal D to terminal C.
  2. Press the mirror position switch to the UP position while observing the test lamp.

Does the test lamp light?

--

Go to Step 4

Go to Step 5

4

  1. Test for a poor connection at the outside rearview mirror connector.
  2. If OK, replace the mirror motor pack within the power mirror. Refer to Outside Rearview Mirror Replacement .

Is the repair complete?

--

System OK

--

5

  1. If the left mirror is inoperative, test for an open in circuit 89, between mirror switch connector terminal E and mirror connector terminal C.
  2. If the right mirror is inoperative, test for an open in circuit 1498, between mirror switch terminal F and mirror connector terminal C.
  3. If OK, repair the open in circuit 88, between mirror connector terminal D and S261.

Is the repair complete?

--

System OK

--