GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you review the operation and perform the necessary inspections?

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Go to Step 2

Go to Symptoms

2

Probe with a test lamp from the outside rearview mirror remote control switch connector terminal E to ground. Refer to Circuit Testing in Wiring Systems.

Does the test lamp illuminate?

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Go to Step 3

Go to Step 4

3

Using a test lamp, probe between the outside rearview mirror remote control switch connector terminals E and D. Refer to Circuit Testing in Wiring Systems.

Does the test lamp illuminate?

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Go to Step 5

Go to Step 6

4

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

Is the repair complete?

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Go to Step 7

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5

Replace the outside rearview mirror remote control switch. Refer to Door Trim Plate Replacement .

Is the repair complete?

--

Go to Step 7

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6

Repair the poor connection or open in circuit 750 from S504 to the outside rearview mirror remote control switch connector terminal D. Refer to Connector Repairs or Wiring Repairs in Wiring Systems.

Is the repair complete?

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Go to Step 7

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7

Operate the system in order to verify the repair.

Did you correct the condition?

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System OK

Go to Step 2