Control Assembly: Description and Operation
Front And Rear A/C Control Unit:
FRONT FAN SWITCH
Manual control of the front blower speed can be obtained by rotating the front fan switch. The fan symbol will be shown in the display screen.
REAR FAN SWITCH
When the rear fan switch (front) is in the OFF position, the rear blower motor cannot operate.
When the rear fan switch (front) is in the REAR position, it allows the rear fan switch to control the rear blower speed. In any other position (1-4), the rear fan switch (front) controls the rear blower speed regardless of the rear fan switch position.
MODE SWITCH
These switches control the direction of air flow through the front discharge outlets.
DEF or F/D positions the front intake door to the outside air FRESH position. The compressor operates at ambient temperature approx. 4 °C (40 °F) or above.
FRONT TEMPERATURE CONTROL SWITCH
This switch allows adjustment of the temperature of the air through the front discharge outlets.
AIR CONDITIONER SWITCH
This switch controls A/C operation when any mode switch is selected except OFF. The A/C indicator will light and stay ON when A/C is selected, until the air conditioner switch in turned off or OFF mode is selected.
The air conditioner cooling function operates only when the engine is running.