GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Memory Mirror System Check?

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Go to Step 2

Go to Outside Mirrors System Check

2

  1. Disconnect the memory seat/mirror module connector C1.
  2. Measure the voltage to ground from the memory seat/mirror module connector C1 terminal A.

Does the voltage measure within the specified range?

10-15 V

Go to Step 3

Go to Step 5

3

Measure the voltage between the memory seat/mirror module connector C1 terminal A and terminal B.

Does the voltage measure within the specified range?

10-15 V

Go to Step 4

Go to Step 6

4

Replace the memory seat/mirror module.

Is the repair complete?

--

Go to Outside Mirrors System Check

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5

Repair the open or short to ground in CKT 1340 (ORN). Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Outside Mirrors System Check

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6

Repair the open in CKT 1250 (BLK). Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Outside Mirrors System Check

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