HEATING / AIR CONDITIONING  AIR CONDITIONING SYSTEM(for Manual Cooler System)  SYSTEM DESCRIPTION  

Air conditioning amplifier assembly transmits and receives the signals in each ECU via the CAN communication system and LIN communication system. Also, the air conditioning amplifier assembly transmits and receives the damper position, damper operation, sensor status, etc., signals to and from each actuator.

Air Conditioning Amplifier Assembly ←→ Main Body ECU (Multiplex Network Body ECU)

Receiver	Sender	Signal	Communication Line
Air conditioning amplifier assembly	Main body ECU (multiplex network body ECU)	Country Code 1st, 2nd, 3rd	CAN
		Destination symbol
		Solar data (L)
		Solar data (R)
		Steering wheel
Main body ECU (multiplex network body ECU)	Air conditioning amplifier assembly	Ambient temperature display	CAN

Air Conditioning Amplifier Assembly ←→ Combination Meter Assembly

Receiver	Sender	Signal	Communication Line
Air conditioning amplifier assembly	Combination meter assembly	Ambient temperature display	CAN
		Outside temperature sensor data
		Vehicle speed (meter to other)
Combination meter assembly	Air conditioning amplifier assembly	Ambient temperature display	CAN
		Switch signal of 0 or 0.5 below decimal point of ambient temperature display

Air Conditioning Amplifier Assembly ←→ ECM

Receiver	Sender	Signal	Communication Line
Air conditioning amplifier assembly	ECM	ECO mode indicator	CAN
		Engine type information signal 1 - 4
		Eco-run flag
		Engine r/min data
		Water temperature
		Alternative field duty value
		A/C control cut-off 1, 2 and 4
		Compulsory internal air circulation command signal at high water temperature
ECM	Air conditioning amplifier assembly	Magnet clutch request	CAN
		A/C idle up request
		Charging control inhibit
		Prior A/C control request
		Acceleration cut inhibit
		Generator control inhibit
		Cooling performance assistance request signal to transmission system
		Ambient temperature display

Air Conditioning Amplifier Assembly ←→ Damper Servo

Receiver	Sender	Signal	Communication Line
Air conditioning amplifier assembly	No. 1 blower damper servo sub-assembly	Damper arm position	Direct line

Air Conditioning Amplifier Assembly ←→ Blower Motor, Sensor, Switch etc.

Receiver	Sender	Signal	Communication Line
Air conditioning amplifier assembly	Air conditioner pressure sensor	Sensor value	Direct line
	Compressor with magnet clutch assembly (lock sensor)
	No. 1 cooler thermistor
Blower with fan motor sub-assembly	Air conditioning amplifier assembly	Drive	Direct line
MGC relay