Rear Window Defrost
WARNING: This page is about a different car, the 2009 Mercury Milan, 2009 Lincoln MKZ, and 2009 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
The SJB controls power to the heated backlight by controlling the state of the heated backlight relay (integral to the SJB module). When the rear window defrost switch is pressed, the SJB will activate the heated backlight relay. When the heated backlight relay is active, the heated backlight will be energized.
The SJB will deactivate the heated backlight relay when one of the following conditions is met:
- The rear window defrost switch is pressed when the feature is active
- Ignition switch state is changed from RUN to OFF/LOCK
- The 10-minute timer completes