GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you review the power mirror circuit description and operation and perform the necessary inspections?

--

Go to Step 2

Go to Symptoms

2

Verify the fault is present.

Does the system operate normally?

--

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 3

3

  1. Disconnect the power outside rearview mirror remote control switch connector.
  2. Connect an J 35616-200 unpowered test lamp between the power outside rearview mirror remote control switch connector, cavity E for CKT 40 (ORN), and ground.

Does the test lamp light?

--

Go to Step 4

Go to Step 5

4

Connect an J 35616-200 unpowered test lamp between the power outside rearview mirror remote control switch connector, cavity D for CKT 150 (BLK) and cavity E for CKT 40 (ORN).

Does the test lamp light?

--

Go to Step 6

Go to Step 7

5

Repair the open in CKT 40 (ORN) between the IP fuse block and the power outside rearview mirror remote control switch.

Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Step 8

--

6

Replace the power outside rearview mirror remote control switch.

Refer to Power Mirror Switch Replacement .

Is the repair complete?

--

Go to Step 8

--

7

Repair the open in CKT 150 (BLK) between the power outside rearview mirror remote control switch and ground.

Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Step 8

--

8

Operate the system in order to verify the repair.

Did you correct the condition?

--

System OK

Go to Step 3