GM Service Manual Online
For 1990-2009 cars only

Power Mirrors Inoperative in Left/Right Direction - Left Side DeVille

Step

Action

Value(s)

Yes

No

1

Did you perform the Outside Mirrors System Check?

--

Go to Step 2

Go to Outside Mirrors System Check

2

Test for an open in CKT 81 (WHT).

Is the circuit OK?

--

Go to Step 3

Go to Step 7

3

Test for an open in CKT 88 (YEL).

Is the circuit OK?

--

Go to Step 4

Go to Step 8

4

Test the outside rear view mirror switch.

Is the power mirror switch OK?

--

Go to Step 6

Go to Step 5

5

Replace the outside rear view mirror switch.

Did you complete the repair?

--

Go to Outside Mirrors System Check

--

6

Replace the LH outside mirror. Refer to Outside Rearview Mirror Motor Replacement .

Did you complete the repair?

--

Go to Outside Mirrors System Check

--

7

Repair the open in CKT 81 (WHT). Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

--

Go to Outside Mirrors System Check

--

8

Repair the open in CKT 88 (YEL). Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

--

Go to Outside Mirrors System Check

--

Power Mirrors Inoperative in Left/Right Direction - Left Side Eldorado

Step

Action

Value(s)

Yes

No

1

Did you perform the Outside Mirrors System Check?

--

Go to Step 2

Go to Outside Mirrors System Check

2

Test for an open in CKT 81 (WHT).

Is the circuit OK?

--

Go to Step 3

Go to Step 5

3

Test for an open in CKT 82 (LT BLU) between the left mirror terminal A and S506.

Is the circuit OK?

--

Go to Step 4

Go to Step 6

4

Replace the LH outside mirror. Refer to Outside Rearview Mirror Motor Replacement .

Did you complete the repair?

--

Go to Outside Mirrors System Check

--

5

Repair the open in CKT 81 (WHT). Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

--

Go to Outside Mirrors System Check

--

6

Repair the open in CKT 82 (LT BLU). Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

--

Go to Outside Mirrors System Check

--

Power Mirrors Inoperative in Left/Right Direction - Left Side W/ Memory

Step

Action

Value(s)

Yes

No

1

Did you perform the Outside Mirrors System Check?

--

Go to Step 2

Go to Outside Mirrors System Check

2

Test the memory mirror module (MMM).

Is the MMM OK?

--

Go to Step 4

Go to Step 3

3

Replace the MMM.

Did you complete the repair?

--

Go to Outside Mirrors System Check

--

4

Test for an open in CKT 82 (LT BLU).

Is the circuit OK?

--

Go to Step 6

Go to Step 5

5

Repair the open in CKT 82 (LT BLU). Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

--

Go to Outside Mirrors System Check

--

6

Test for an open in CKT 81 (WHT).

Is the circuit OK?

--

Go to Step 8

Go to Step 7

7

Repair the open in CKT 81 (WHT). Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

--

Go to Outside Mirrors System Check

--

8

Replace the LH outside mirror. Refer to Outside Rearview Mirror Motor Replacement .

Did you complete the repair?

--

Go to Outside Mirrors System Check

--