Control Operation

Description of Control System
The control system consists of input sensors, switches, the front air control (microcomputer) and outputs. The relationship of these components is shown in the figure given.




Control Operation

TEMPERATURE CONTROL DIAL (TEMPERATURE CONTROL)
Increases or decreases the set temperature.

RECIRCULATION SWITCH
- When REC switch is ON, REC switch indicator turns ON, and air inlet is set to REC.
- When REC switch is turned OFF, air inlet is set to fresh. REC mode can be re-entered by pressing REC switch again.
- REC switch is not operated when DEF switch is turned ON, at the D/F position or at the floor position.

DEFROSTER SWITCH
Positions the air outlet doors to the defrost position. Also positions the intake doors to the outside air position and compressor is enabled.

REAR WINDOW DEFOGGER SWITCH (IF EQUIPPED)
When switch is ON, rear window is defogged.

OFF SWITCH (BLOWER SPEED SET TO 0)
The compressor and blower are OFF.

A/C SWITCH
The compressor is ON or OFF.

MODE DIAL
Controls the air discharge outlets.

BLOWER CONTROL DIAL
Manually controls the four blower speeds and turns blower off and on.