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Home >> Ford >> 2007 >> Crown Victoria V8-4.6L VIN W >> Repair and Diagnosis >> Heating and Air Conditioning >> Testing and Inspection >> Pinpoint Tests >> Test F: Incorrect/Erratic Direction Of Airflow From Outlets - Manual Climate Control
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Test F: Incorrect/Erratic Direction Of Airflow From Outlets - Manual Climate Control

PINPOINT TEST F: INCORRECT/ERRATIC DIRECTION OF AIRFLOW FROM OUTLETS - MANUAL CLIMATE CONTROL


F1:






F2-F5:






F5-F7:






F8-F10:






F10-F12:






F12-F14:






F14-F15:






Normal Operation
Under normal operation, the function selector switch is provided vacuum from the engine. When a position is selected, vacuum is applied to the desired vacuum control motor that is connected to the mode door you want to control.

Possible Causes
- Function selector switch
- Vacuum control motor
- Stuck or bound linkage or door
- Leaking or plugged vacuum hose
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