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Home >> Ford >> 2007 >> Escape 2WD L4-2.3L VIN Z >> Repair and Diagnosis >> Heating and Air Conditioning >> Testing and Inspection >> Pinpoint Tests >> Test A: Incorrect/Erratic Direction Of Airflow From Outlets
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Test A: Incorrect/Erratic Direction Of Airflow From Outlets

PINPOINT TEST A: INCORRECT/ERRATIC DIRECTION OF AIRFLOW FROM OUTLETS

A1-A4:






A4-A6:






A6-A8:






A8-A10:






A10-A11:






A12-A17:






A18-A20:






Normal Operation
The function selector switch directs vacuum to the appropriate vacuum control motor(s), controlling the door movement.

Possible Causes
- Vacuum hose(s) restricted or broken
- Vacuum control motor
- Airflow control door(s)
- Function selector switch
- A/C vacuum check valve
- A/C vacuum reservoir tank
- Stuck or bound linkage or blend door
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