Front Door Window Regulator: Testing and Inspection

Troubleshooting Power Window Regulators

Note:
If window motor of drivers door needs to be renewed, note wiring colors according to current flow diagram. Also check operation of window motor relay by pressing left front window briefly into "window down" position. Window must continue to go automatically to end position.

Note:
If defective parts need renewing check wiring according to current flow diagram leading to defective component.
If illumination of switches is defective, replace switch.

Diagnostic Charts

Chart 1, No Window Operates:

Chart 2, One front door window or one rear window not working,:

Chart 3, One front door window or one rear window not working,:

Chart 4, One front door window or one rear window not working,:

Chart 5, One front door window or one rear window not working,:

Chart 6, Driver door window does not go down completely when switch is depressed briefly: