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.

Is the repair complete?

--

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.

Is the repair complete?

--

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 for service procedure.

Is the repair complete?

--

Go to Step 10

--

8

Repair poor connection or open in circuit 1140.

Is the repair complete?

--

Go to Step 10

--

9

Repair poor connection or open in circuit 750.

Is the repair complete?

--

Go to Step 10

--

10

Reconnect connectors/components removed.

Is the action complete?

--

Go to Outside Mirrors System Check

--