Operation CHARM: Car repair manuals for everyone.

Air Distribution






The air distribution control can be regulated to a number of detent positions between the four main positions.

A certain amount of air is always directed to the defroster vents in order to keep the windscreen and windows free from mist.

1 Position 0
All vents closed. No air distribution. No power to fan motor. Despite this there may be a draught when the car is driven. The air is forced in through the system by wind pressure.

2 Ventilation position.
Air from vents in facia. Small amount of leakage to defroster vents (felt at high fan speed).
Selectable fan speed.

3 Floor position.
Air from floor vents. Small amount of leakage to defroster vents (felt at high fan speed).
Selectable fan speed.

4 Defroster position.
Air from defroster vents.
Small amount of leakage to floor vents (felt at high fan speed).
Selectable fan speed.