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