GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Was the Power Windows System Check performed?

--

Go to Step 2

Refer to Power Windows System Check

2

  1. Access the RH door lock and side window switch.
  2. Turn the ignition switch to the RUN position.
  3. Connect a J 39200 (DMM) to CKT 1001 (DK GRN), terminal L at the RH door lock and side window switch connector C1 and ground.
  4. Ensure that connector C1 remains connected.
  5. Test for voltage.

Is ignition voltage present?

IGN+

Go to Step 4

Go to Step 3

3

Repair the open or high resistance in CKT 1001 (DK GRN) between the power windows circuit breaker and the RH door lock and side window switch connector C1 terminal L.

Is the repair complete?

--

Refer to Power Windows System Check

--

4

  1. Turn the ignition switch to the RUN position.
  2. Connect a J 39200 DMM to CKT 1001 (DK GRN), terminal L at the RH door lock and side window switch connector C1 and CKT 1850 (BLK), terminal C at the RH door lock and side window switch connector C2.
  3. Test for voltage.

Is ignition voltage present?

IGN+

Go to Step 6

Go to Step 5

5

Repair the open or high resistance in CKT 1850 (BLK) between the RH door lock and side window switch connector C2 and G202.

Is the repair complete?

--

Refer to Power Windows System Check

--

6

  1. Turn the ignition switch to the RUN position.
  2. Connect a J 39200 DMM to CKT 164 (DK BLU), terminal B and CKT 165 (BRN), terminal D at the RH door lock and side window switch connector C2.
  3. Ensure that connector C2 remains connected.
  4. Operate the RH door lock and side window switch in the UP/DOWN position.
  5. Test for voltage.

Is ignition voltage present?

IGN+

Go to Step 7

Go to Step 8

7

Perform the Power Windows System Check for each window in order to repair the open or high resistance in the four window circuits.

Is the repair complete?

--

Refer to Power Windows System Check

--

8

Replace the RH door lock and side window switch.

Is the repair complete?

--

Refer to Power Windows System Check

--