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

Communication Table

Transmitter	Receiver	Signal	Communication Line
Air conditioning amplifier assembly	ECM	A/C compressor control signal	CAN
		Idle up request signal
		External variable control solenoid current signal
		Cooling fan motor driving request signal
		PTC heater driving number request signal*1
		Ambient temperature signal
Air conditioning amplifier assembly	Air conditioning control assembly	Front panel indication signal	LIN
		AUTO indication signal
		A/C indication signal
		MODE indication signal
		REC indication signal
		FRS indication signal
		RDEF indication signal
		Blower level indication signal
		Set temperature indication signal
Air conditioning amplifier assembly	Engine stop and start ECU*2	Engine ON request signal	CAN
		Blower ON state signal
Air conditioning amplifier assembly	DLC3	Diagnostic tool response	CAN
Combination meter assembly	Air conditioning amplifier assembly	Vehicle speed signal	CAN
		Ambient temperature signal
Power steering ECU assembly	Air conditioning amplifier assembly	Loading control level	CAN
Main body ECU	Air conditioning amplifier assembly	Destination symbol steering	CAN
		Headlight dimmer switch signal
ECM	Air conditioning amplifier assembly	Engine revolution speed signal	CAN
		Engine coolant temperature signal
		A/C control cut signal
		Variable control prohibition signal
		PTC heater permission number*1
Air conditioning control assembly	Air conditioning amplifier assembly	AUTO switch signal	LIN
		OFF switch signal
		A/C switch signal
		DEF switch signal
		MODE switch signal
		RDEF switch signal
		Blower switch signal (FAN+, FAN-)
		Set temperature switch signal (UP, DOWN)
Engine stop and start ECU*2	Air conditioning amplifier assembly	Idling stop control mode	CAN

*1: w/ PTC Heater

*2: w/ Stop and Start System