Operation CHARM: Car repair manuals for everyone.

Power Windows Inoperative - One

Diagnostic Chart (Part 1 Of 2):




Diagnostic Chart (Part 2 Of 2):




TEST DESCRIPTION
The number(s) below refer to the step number(s) on the diagnostic table.
2. Checks for window switch input recognition by the door modules.
4. Checks driver power window switch operation.
5. Checks for an open passenger power window switch ground.
6. Checks for an open passenger power window switch signal circuit.
7. Eliminates the ground circuit as the cause.
8. Eliminates the signal circuit as the cause.
11. Checks for inoperative window motors.
12. Eliminates the window supply and ground circuits as the cause.
13. Eliminates the window driver circuits as the cause.