GM Service Manual Online
For 1990-2009 cars only

Power Mirrors Inoperative in Left/Right Direction - Left Side W/O 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 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 for an open in CKT 303 (BRN).

Is the circuit OK?

--

Go to Step 4

Go to Step 3

3

Repair the open in CKT 303 (BRN). Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

--

Go to Outside Mirrors System Check

--

4

  1. Connect a digital multimeter (DMM) to the memory mirror module (MMM) connector terminal E13 and terminal E11.
  2. Move the power mirror switch to the left and right position.

Is the voltage within the specified range for both mirror switch positions?

10-15 V

Go to Step 6

Go to Step 5

5

Replace the MMM. Refer to Memory Mirror Module Replacement .

Did you complete the repair?

--

Go to Outside Mirrors System Check

--

6

Test for an open in CKT 82 (LT BLU).

Is the circuit OK?

--

Go to Step 8

Go to Step 7

7

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

--

8

Test for an open in CKT 81 (WHT).

Is the circuit OK?

--

Go to Step 10

Go to Step 9

9

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

--

10

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

Did you complete the repair?

--

Go to Outside Mirrors System Check

--