GM Service Manual Online
For 1990-2009 cars only

Power Windows System Check

Step

Action

Normal Result(s)

Abnormal Result(s)*

1

  1. Turn ON the ignition switch.
  2. Operate the LH window UP and then DOWN using the LH window switch.

The LH window will move up and down.

Refer to Power Window Inoperative - Left Side Front .

Refer to Diagnostic System Check - Power Door Systems .

2

Operate the RH window UP and then DOWN using the RH window switch.

The RH window will move up and down.

Refer to Power Window Inoperative - Right Side Front .

Refer to Diagnostic System Check - Power Door Systems .

3

Operate the RH window UP and then DOWN using the LH window switch.

The RH window will move up and down.

Refer to Power Window Inoperative - Right Side Front from Left Front Switch .

Refer to Diagnostic System Check - Power Door Systems .

4

To activate the express-down window feature (if equipped), momentarily press and hold the RH or LH window switch AUTO button for less than one-third of a second and release.

The RH or LH window will move all the way down until the AUTO switch is pressed again.

Refer to Diagnostic System Check - Power Door Systems .

Refer to Power Window Inoperative - Left Side Front .

Refer to Power Window Inoperative - Right Side Front .

* Refer to the appropriate symptom diagnostic table for the applicable abnormal result.