Toyota Venza: System Diagram

Toyota Venza Service Manual / Heating / Air Conditioning / Air Conditioning System / System Diagram

SYSTEM DIAGRAM

Communication Table

Sender	Receiver	Signal	Communication Line
A/C amplifier	ECM	Magnetic clutch request signal*1	CAN
		Idle up request signal
		External variable control solenoid current signal
		Cooling fan motor driving request signal
		Refrigerant gas pressure sensor signal
		Ambient temperature signal
A/C amplifier	Air conditioning control assembly	Panel indication signal	LIN
		MODE indication signal
		Blower level indication signal
		Set temperature indication signal
Combination meter	A/C amplifier	Vehicle speed signal	CAN
ECM	A/C amplifier	Engine revolution speed signal	CAN
		Engine coolant temperature signal
		A/C control cut signal
Air conditioning control assembly	A/C amplifier	AUTO switch signal	LIN
		OFF switch signal
		A/C switch signal
		Fr DEF switch signal
		Rr DEF switch signal
		MODE switch signal
		REC/FRS switch signal
		SYNC switch signal
		Blower switch signal (FAN+, FAN-)
		Set temperature switch signal (UP, DOWN)

*1: for 2GR-FE

Parts Location

PARTS LOCATION ILLUSTRATION ILLUSTRATION ILLUSTRATION ...

System Description

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