GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Check POWER MIRRORS fuse.

Is the POWER MIRRORS fuse open?

--

Go to Step 2

Go to Step 3

2

Repair short to ground in circuit 1140. Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

--

Go to Step 10

--

3

Using a test light, backprobe between the outside remote control rearview mirror switch connector terminal G and ground.

Is the test light on?

--

Go to Step 4

Go to Step 8

4

Using a test light, backprobe between the outside remote control rearview mirror switch connector terminal G and terminal B.

Is the test light on?

--

Go to Step 5

Go to Step 9

5

Check the outside remote control rearview mirror switch connector for a poor connection.

Is there a poor connection at the outside remote control rearview mirror switch connector?

--

Go to Step 6

Go to Step 7

6

Repair poor connection at the outside remote control rearview mirror switch connector. Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

--

Go to Step 10

--

7

Replace the outside remote control rearview mirror switch. Refer to Door Lock and Side Window and Outside Rearview Mirror Remote Control Switch Replacement .

Did you complete the repair?

--

Go to Step 10

--

8

Repair poor connection or open in circuit 1140. Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

--

Go to Step 10

--

9

Repair poor connection or open in circuit 750. Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

--

Go to Step 10

--

10

Operate the system in order to verify the repair.

Did you correct the condition?

--

System OK

Diagnostic System Check - Door Systems