GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

Schematic Reference: Power Window Schematics

Connector End View Reference: Power Door Systems Connector End Views

1

Did you review the Power Windows Description and Operation?

Go to Step 2

Go to Symptoms - Doors

2

Verify that the inoperative passenger door power window fault is present.

Does the passenger door power window operate normally?

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 3

3

  1. Disconnect the front passenger window switch.
  2. Turn ON the ignition, with the engine OFF.
  3. Probe the accessory voltage circuit of the front passenger window switch with a test lamp that is connected to a good ground.

Does the test lamp illuminate?

Go to Step 4

Go to Step 11

4

  1. Connect a test lamp between the power window master switch right front up signal circuit and the power window master switch right front down signal circuit of the front passenger window switch.
  2. Activate the driver window switch to the UP and DOWN positions.

Does the test lamp illuminate in both positions?

Go to Step 5

Go to Step 6

5

  1. Connect the front passenger window switch.
  2. Disconnect the front passenger window motor.
  3. Connect a test lamp between the power window motor right front up circuit and the power window motor right front down circuit of the front passenger window motor.
  4. Activate the front passenger window switch to the UP and DOWN positions.

Does the test lamp illuminate in both positions?

Go to Step 8

Go to Step 7

6

Test the power window master switch right front signal circuits of the front passenger window switch for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 15

Go to Step 9

7

Test the power window motor right front circuits of the front passenger window motor for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 15

Go to Step 10

8

Inspect for poor connections at the harness connector of the front passenger window motor. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 15

Go to Step 12

9

Inspect for poor connections at the harness connector of the driver window switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 15

Go to Step 13

10

Inspect for poor connections at the harness connector of the front passenger window switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 15

Go to Step 14

11

Repair the open in the accessory voltage circuit. Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

Go to Step 15

--

12

Replace the inoperative window motor. Refer to Front Side Door Window Regulator Replacement .

Did you complete the replacement?

Go to Step 15

--

13

Replace the driver window switch. Refer to Front Side Door Window Switch Replacement - Left Side .

Did you complete the replacement?

Go to Step 15

--

14

Replace the front passenger window switch. Refer to Front Side Door Window Switch Replacement - Right Side .

Did you complete the replacement?

Go to Step 15

--

15

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2