Normal Operation
WARNING: This page is about a different car, the 2011 Mercury Milan, 2011 Lincoln MKZ, and 2011 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
Under normal operation, the accessory delay relay supplies voltage to the master window control switch. When the master window lockout control switch is in the UNLOCK position, voltage is supplied to the LH and RH rear window control switches. The master window control switch supplies the ground circuit for passenger rear window operation.
This pinpoint test is intended to diagnose the following:
- Wiring, terminals or connectors
- Window control switch