Toyota CH-R Service Manual: System Diagram

Toyota CH-R Service Manual / Heating / Air Conditioning / Air Conditioning System(for Automatic Air Conditioning System With Side-mounted Air Conditioner Pressure Sensor) / System Diagram

SYSTEM DIAGRAM

Communication Table

Sender	Receiver	Signal	Communication Line
Air conditioning amplifier assembly	ECM	Magnet Clutch request signal	CAN
		A/C Idleup request signal
		Heater Idleup request signal
		ECO SW information
		Blower on state signal
		Supercooling control state signal
		Charging control inhibit signal
		Prior A/C control request signal
		Acceleration Cut inhibit signal
		LOCK-UP INHIBIT signal
		Generator control inhibit signal
		Ambient temperature before correction, signal
		Refrigerant information
		The first advancement evaporator temperature
		Variable compressor solenoid current signal
		refrigerant gas pressure sensor signal
		Rr DEF drive request signal
		Ambient temperature display signal
Air conditioning amplifier assembly	Combination meter assembly	Ambient temperature display signal	CAN
Air conditioning amplifier assembly	Combination meter assembly	A/C control state signal	CAN
Air conditioning amplifier assembly	Brake actuator assembly (Skid control ECU)	In-Vehicle temperature signal	CAN
Air conditioning amplifier assembly	Brake actuator assembly (Skid control ECU)	Ambient temperature display signal	CAN
Air conditioning amplifier assembly	Forward recognition camera	Ambient temperature display signal	CAN
Air conditioning amplifier assembly	Millimeter wave radar sensor assembly	Ambient temperature display signal	CAN
ECM	Air conditioning amplifier assembly	Drive Mode Select Signal	CAN
		Engine type information 1
		Engine type information 2
		Engine type information 3
		Engine type information 4
		HV flag
		Eco-Run flag
		Engine RPM data
		Water temperature signal
		Alternative field duty value
		A/C control cut-off signal 4
		A/C control cut-off signal 2
		A/C control cut-off signal 2
		A/C control cut-off signal 1
		Variable control inhibition signal
		Air conditioner cut-off instruction flag at deceleration
		A/C supercooling command flag at deceleration
		A/C lubrication control inhibit
		Compulsory internal air circulation command signal at high water temperature
Main body ECU (multiplex network body ECU)	Air conditioning amplifier assembly	Auto dimmer signal	CAN
		High beam head lamp request
		Low beam head lamp request
		Tail lamp request
		Destination Symbol
		Destination Package1
		Destination Package2
		Steering Wheel
		Solar data(R)
		Solar data(L)
Combination meter assembly	Air conditioning amplifier assembly	Outside temperature sensor data	CAN
Combination meter assembly	Air conditioning amplifier assembly	Vehicle speed signal (meter to other)	CAN
Power steering ECU assembly	Air conditioning amplifier assembly	Loading control level	CAN
Air conditioning amplifier assembly	Air conditioning control assembly	A/C ECO indication request signal	LIN
		Entire panel indication request signal
		AUTO indication request signal
		Blower level indication request signal
		REC indication request signal
		Driver seat side outlet indication request signal
		DUAL-SYNC indication request signal
		Driver's seat set temperature indication request signal
		Passenger's seat set temperature indication request signal
		Dimming signal
		A/C indication request signal
Air conditioning control assembly	Air conditioning amplifier assembly	Individual control A/C information signal	LIN
		AUTO operation switch signal
		OFF operation switch signal
		A/C operation switch signal
		A/C ECO operation switch signal
		Front blower operation switch signal
		Driver side outlet related operation switch signal
		DEF operation switch signal
		DUAL-SYNC operation switch signal
		Driver's seat set temperature signal
		Passenger's seat set temperature signal
		Injection related area operation switch signal

Parts Location

PARTS LOCATION ILLUSTRATION *1 AIR CONDITIONER PRESSURE SENSOR *2 THERMISTOR ASSEMBLY *3 FORWARD RECOGNITION CAMERA ...

How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: Use the following procedure to troubleshoot the air conditioning system. *: Use the Techstream. PROCEDURE 1. VEHICLE BROUG ...

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