System Airflow Description: Floor/Defrost

WARNING: This page is about a different car, the 2006 Mercury Mariner and 2006 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.

When FLOOR/DEFROST is selected:

The air inlet mode door, with no vacuum being applied, allows outside air.
The floor mode door receives a full vacuum signal, allowing air to flow through the floor ducts.
The defrost air inlet mode door is in the no vacuum position, allowing airflow to both the windshield defroster hose nozzle and the side window demister hose nozzle ducts.
The panel mode door is in the no vacuum position.
The PCM enables the A/C compressor.
The gasoline engine runs continuously.
The blower motor is ON.