GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Was the Outside Mirror System Check performed?

--

Go to Step 2

Go to Outside Mirrors System Check

2

  1. Disconnect the power outside rearview mirror remote control switch connector.
  2. Select the left power outside rearview mirror operation.
  3. Connect a J 39200 between pin E and pin G of the power outside rearview mirror remote control switch.
  4. Actuate the left selection for the left power outside rearview mirror switch.

Is continuity present?

--

Go to Step 3

Go to Step 8

3

  1. Connect a J 39200 between pin D, and pin C of the power outside rearview mirror remote control switch.
  2. Actuate the left selection for the left power outside rearview mirror.

Is continuity present?

--

Go to Step 4

Go to Step 8

4

  1. Connect a J 39200 between pin D, and pin G of the power outside rearview mirror remote control switch.
  2. Actuate the right selection for the left power outside rearview mirror.

Is continuity present?

--

Go to Step 5

Go to Step 8

5

  1. Connect a J 39200 between pin E, and pin C of the power outside rearview mirror remote control switch.
  2. Actuate the right selection for the left power outside rearview mirror.

Is continuity present?

--

Go to Step 6

Go to Step 8

6

  1. Disconnect the left power outside rearview mirror connector.
  2. Connect a J 39200 between the power outside rearview mirror remote control switch connector, cavity G, and the left power outside rearview mirror connector, cavity F, for CKT 1516 (LT BLU).

Is continuity present?

--

Go to Step 7

Go to Step 9

7

Connect a J 39200 between the power outside rearview mirror remote control switch connector, cavity C, and the left power outside rearview mirror connector, cavity C, for CKT 1499 (LT GRN).

Is continuity present?

--

Go to Step 10

Go to Step 11

8

Replace the power outside rearview mirror remote control switch.

Refer to Power Mirror Switch Replacement .

Is the repair complete?

--

Go to Outside Mirrors System Check

--

9

Repair the open in CKT 1516 (LT BLU) between the power outside rearview mirror remote control switch and the left power outside rearview mirror.

Refer to Wiring Repairs .

Is the repair complete?

--

Go to Outside Mirrors System Check

--

10

Replace the left power outside rearview mirror.

Refer to Power Mirror Replacement .

Is the repair complete?

--

Go to Outside Mirrors System Check

--

11

Repair the open in CKT 1499 (LT GRN) between the left power outside rearview mirror connector, cavity C, and splice S502.

Refer to Wiring Repairs .

Is the repair complete?

--

Go to Outside Mirrors System Check

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