GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Has the Outside Mirrors System Check been performed?

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Go to Step 2

Go to Outside Mirrors System Check

2

  1. Disconnect the heated mirror relay connector.
  2. Connect a J 39200 between cavity 1 of the heated mirror relay connector and ground.
  3. Place the ignition switch in the RUN position.
  4. Depress the rear defogger switch.

Is there battery voltage?

--

Go to Step 4

Go to Step 3

3

Locate and repair the open in CKT 293 (PPL) between the heated mirror relay connector and the HVAC control module connector C1. Refer to Wiring Repairs in wiring.

Is the repair complete?

--

Go to Outside Mirrors System Check

--

4

Connect a J 39200 between cavity 1 and cavity 2 of the heated mirror relay connector.

Is there battery voltage?

--

Go to Step 5

Go to Step 6

5

Connect a J 39200 between cavity 5 of the heated mirror relay connector and ground.

Is there battery voltage?

--

Go to Step 8

Go to Step 7

6

Locate and repair the open in CKT 150 (BLK) between the heated mirror relay connector and G202. Refer to Wiring Repairs in wiring.

Is the repair complete?

--

Go to Outside Mirrors System Check

--

7

Locate and repair the open in CKT 1040 (ORN) between the underhood fuse block and the heated mirror relay connector. Refer to Wiring Repairs in wiring.

Is the repair complete?

--

Go to Outside Mirrors System Check

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8

Replace the heated mirror relay.

Is the repair complete?

--

Go to Outside Mirrors System Check

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