Normal Operation
WARNING: This page is about a different car, the 2007 Lincoln Mark LT and 2007 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.
Under normal operation, the driver window control switch provides power to the power window motor through circuit 991 (TN/LB) and ground through 992 (WH/BK) to operate the driver window upward and power through circuit 992 (WH/BK) and ground through 991 (TN/LB) to operate the driver window downward.
This pinpoint test is intended to diagnose the following:
- Wiring, terminals or connectors
- Driver window control switch
- Driver power window motor