System Airflow Description: Off

Fig 1: Air Flow With OFF Selected

Courtesy of FORD MOTOR CO.

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 floor/defrost door vacuum control motor is at partial vacuum and the panel door vacuum control motor is at no vacuum, closing off airflow to the defrost duct, side window demisters, floor duct and instrument panel A/C registers.
• The A/C request button will be enabled. The A/C compressor will operate and the indicator will be illuminated if the A/C request button is selected and the outside temperature is above approximately 6°C (43°F).
• The blower motor is off.
• The auxiliary blower motor (if equipped) is disabled.