GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

Schematic Reference: Power Window Schematics

1

Did you review the power windows operation and perform the necessary inspections?

Go to Step 2

Go to Symptoms - Doors

2

Verify the fault is present.

Does the system operate normally?

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

Go to Step 3

3

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

Is the repair complete?

Go to Step 4

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4

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2