GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

Schematic Reference: Power Window Schematics

1

Did you perform the Diagnostic System Check for the door systems?

Go to Step 2

Go to Diagnostic System Check - Door Systems

2

Verify that the passenger window lockout function does not work properly.

Does the lockout function operate properly?

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

Go to Step 3

3

  1. Disconnect the driver window switch.
  2. Test the lockout signal circuit of the power window master switch for an open, for a short to voltage, or for a short to ground. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 5

Go to Step 4

4

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

Is the repair complete?

Go to Step 5

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5

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2