GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Was the Outside Mirrors System Check performed?

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Go to Step 2

Go to Outside Mirrors System Check

2

  1. Turn ON the ignition switch.
  2. Connect a scan tool to the Data Link Connector (DLC).
  3. Select DATA from the driver door module DATA LIST.
  4. Operate the express fold switch on the LH front power window switch.

Does the scan tool indicate that the switch is ON when operated and OFF when inactive?

--

Go to Step 3

Go to Step 8

3

  1. Disconnect the front door module connector C3.
  2. Connect a fused jumper from Battery Positive Voltage (B+) to the front door module connector C3 terminal 2, CKT 190 (PNK).
  3. Connect a fused jumper from the front door module connector C3 terminal 1, CKT 191 (ORN) to ground.

Does the motor run?

--

Go to Step 7

Go to Step 4

4

Test for an open or short to ground in CKT 190 (PNK).

Is the circuit OK?

--

Go to Step 5

Go to Step 9

5

Test for an open or short to ground in CKT 191 (ORN).

Is the circuit OK?

--

Go to Step 6

Go to Step 9

6

Replace the appropriate outside rear view mirror. Refer to Power Mirror Replacement .

Is the repair complete?

--

Go to Outside Mirrors System Check

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7

Replace the appropriate front door module. Refer to Door Control Module Replacement .

Is the repair complete?

--

Go to Outside Mirrors System Check

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8

Replace the LH front power window switch. Refer to Front Door Switch Replacement .

Is the repair complete?

--

Go to Outside Mirrors System Check

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9

Repair the suspect wiring. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Outside Mirrors System Check

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