AIR CONDITIONING SYSTEM (for Automatic Air Conditioning System) SYSTEM DIAGRAM

Communication Table

Transmitter	Receiver	Signal	Communication Line
Air conditioning amplifier assembly	ECM	A/C idle up request signal	CAN
		Heater idle up request signal
		Viscous with magnet clutch heater control request signal*1
		PTC heater control request signal*2
		Electricity load at low voltage state signal
		Refrigerant gas pressure sensor signal
		Ambient temperature signal
Main body ECU	Air conditioning amplifier assembly	Main body request signal
Combination meter assembly	Air conditioning amplifier assembly	Vehicle speed signal
ECM	Air conditioning amplifier assembly	Engine coolant temperature signal
		Engine speed data
		Engine type information signal
Integration control and panel assembly	Air conditioning amplifier assembly	AUTO operation switch signal	LIN
		OFF operation switch signal
		A/C switch signal
		Front defroster operation switch signal
		Rear defogger operation switch signal
		Mode operation switch signal
		REC/FRS switch signal
		REAR switch signal
		Set temperature switch signal
		Blower operation switch signal (up, down)
		Pollen removal mode switch signal
Air conditioning control assembly*3	Air conditioning amplifier assembly	AUTO operation switch signal
		OFF operation switch signal
		Mode operation switch signal
		Blower operation switch signal (up, down)
		Set temperature switch signal

• *1: w/ Viscous Heater

• *2: w/ PTC Heater

• *3: w/ Rear Air Conditioning System