Test H: Incorrect/Erratic Direction of Air Flow From Outlets

PINPOINT TEST H: INCORRECT/ERRATIC DIRECTION OF AIR FLOW FROM OUTLETS

H1-H2:

H2-H4:

H4-H5:

H6-H10:

H11-H14:

H14-H15:

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

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