System Airflow Description - EATC: Off
WARNING: This page is about a different car, the 2007 Ford Pickup, 2007 Ford F550 Super Duty, 2007 Ford F450 Super Duty, and 2007 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
When OFF is selected:
- The air inlet door vacuum control motor is at full vacuum, closing off outside air from entering the passenger compartment.
- The panel/floor door and the panel/defrost door vacuum control motors are at full vacuum, closing off airflow to the defrost duct, side window demisters, floor duct and instrument panel A/C registers.
- The heater control valve (if equipped) is at no vacuum.
- The A/C compressor will not operate.
- The blower motor is off.
- The coolant control valve (if equipped) is at full vacuum, preventing the flow of warm coolant to the heater core.