GM Service Manual Online
For 1990-2009 cars only

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 function switch.

Is the memory function switch completely inoperative?

--

Go to Step 3

Go to Step 6

3

Test for an open in CKT 50 (BLK).

Is the circuit OK?

--

Go to Step 5

Go to Step 4

4

Repair the open in CKT 50 (BLK). Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

--

Go to Outside Mirrors System Check

--

5

Replace the memory function switch. Refer to Front Side Door Window Switch Replacement .

Did you complete the repair?

--

Go to Outside Mirrors System Check

--

6

Is the memory function switch, memory 1 inoperative?

--

Go to Step 7

Go to Step 10

7

Test the memory function switch, memory 1 switch.

Is the switch OK?

--

Go to Step 8

Go to Step 5

8

Test for an open or short to ground in CKT 615 (WHT).

Is the circuit OK?

--

Go to Step 21

Go to Step 9

9

Repair the open or short to ground in CKT 615 (WHT). Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

--

Go to Outside Mirrors System Check

--

10

Is the memory function switch, memory 2 switch inoperative?

--

Go to Step 11

Go to Step 14

11

Test the memory function switch, memory 2 switch.

Is the switch OK?

--

Go to Step 12

Go to Step 5

12

Test for an open or short to ground in CKT 616 (PPL).

Is the circuit OK?

--

Go to Step 21

Go to Step 13

13

Repair the open or short to ground in CKT 616 (PPL). Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

--

Go to Outside Mirrors System Check

--

14

Is the memory function switch, set memory switch inoperative?

--

Go to Step 15

Go to Step 18

15

Test the memory function switch, set memory switch.

Is the switch OK?

--

Go to Step 16

Go to Step 5

16

Test for an open or short to ground in CKT 614 (ORN).

Is the circuit OK?

--

Go to Step 21

Go to Step 17

17

Repair the open or short to ground in CKT 614 (ORN). Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

--

Go to Outside Mirrors System Check

--

18

Test the memory function switch, exit switch.

Is the switch OK?

--

Go to Step 19

Go to Step 5

19

Test for an open or short to ground in CKT 612 (BLK).

Is the circuit OK?

--

Go to Step 21

Go to Step 20

20

Repair the open or short to ground in CKT 612 (BLK). Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

--

Go to Outside Mirrors System Check

--

21

Replace the memory mirror module (MMM). Refer to Memory Mirror Module Replacement .

Did you complete the repair?

--

Go to Outside Mirrors System Check

--