Normal Operation
WARNING: This page is about a different car, the 2007 Mercury Mariner and 2007 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
Under normal operation, the temperature control switch actuates the temperature blend door through the temperature blend door actuator cable.
Possible Causes
- Temperature control switch
- Temperature blend door actuator cable
- Heater core
- Stuck or bound temperature blend door