GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

Definition: Right Power Window Motor Does Not Operate From Driver's Switch.

1

  1. Place the ignition switch in the RUN position.
  2. Backprobe the driver's right power window switch with a test lamp from terminal 5 to the chassis ground.

Does the test lamp light?

--

Go to Step 3

Go to Step 2

2

Repair the open in CKT 443 (ORN) or CKT 3 (ORN) between S349 and the driver's right power window switch.

Is the repair complete?

--

System OK

--

3

Backprobe the driver's right power window switch with a test lamp from terminal 3 to B+.

Does the test lamp light?

--

Go to Step 4

Go to Step 6

4

  1. Backprobe the driver's right power window switch with a test lamp from cavity 6 CKT 8445 (LT GRN/WHT) to ground.
  2. Hold driver's right window switch in the UP position.

Did the test lamp light?

--

Go to Step 5

Go to Step 7

5

  1. Backprobe the driver's right power window switch with a test lamp from cavity 4 CKT 9446 (LT GRN/RED) to ground.
  2. Hold the driver's right window switch in the DOWN position.

Did the test lamp light?

--

Go to Step 6

Go to Step 7

6

  1. Remove the connectors from both the driver's right window switch and the passenger's right window switch.
  2. Connect a DMM between cavity 3 of the driver's right window switch connector and cavity 11 CKT 1047 (LT GRN/ BLK) of the passenger's window switch connector.
  3. Measure the resistance of the circuit.

Does the DMM indicate an open circuit?

--

Go to Step 10

Go to Step 8

7

Replace the driver's right power window switch.

Is the repair complete?

--

System OK

--

8

  1. Connect a DMM between cavity 6 CKT 8445 (LT GRN/WHT) of the driver's right power window switch connector and cavity 13 of the passenger's power window switch connector.
  2. Measure the resistance of the circuit.

Does the DMM indicate an open circuit?

--

Go to Step 10

Go to Step 9

9

  1. Connect the DMM between cavity 4 CKT 9446 (LT GRN/RED) of the driver's right window switch connector and cavity 12 of the passenger's right window switch connector.
  2. Measure the resistance of the circuit.

Does the DMM indicate an open circuit?

--

Go to Step 10

Go to Step 11

10

Repair the open circuit between the driver's right power window switch and the passenger's power window switch. Refer to Wiring Repairs .

Is the repair complete?

--

System OK

--

11

Replace the passenger's right power window switch.

Is the repair complete?

--

System OK

--