System Diagram

SYSTEM DIAGRAM

Fig 1: Air Conditioning System Diagram (1 Of 2)

G05004676

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

TRANSMITTER SIGNAL REFERENCE

Transmitter	Receiver	Line	Signal
A/C Amplifier	ECM	BEAN / CAN	Heater Relay Control Signal
			Magnetic Clutch Control Signal
			Rear DEF Relay Control Signal
			Idle Up Signal
			Pressure Sensor Signal
			External Variable Control Solenoid Current Signal
A/C Amplifier	Multiplex Network Body ECU	BEAN	Diagnostic Tool Response
A/C Amplifier	Multiplex Network Body ECU	BEAN	Diagnostic Data
A/C Amplifier	Accessory Meter Assembly	BEAN / AVC-LAN	Indicator ON demand signal
ECM	A/C Amplifier	BEAN / CAN	Engine Speed (500ms)
			Engine Coolant Temperature
			A/C Control Cut Signal
Front Controller	A/C Amplifier	BEAN	Outside Temperature Data
Multiplex Network Body ECU	A/C Amplifier	BEAN	Diagnostic Tool Request Signal
Multiplex Network Body ECU	A/C Amplifier	BEAN	Diagnostic Erase Signal
Combination Meter Assembly	A/C Amplifier	BEAN	Vehicle Speed Signal

Fig 2: Air Conditioning System Diagram (2 Of 2)

G05004677

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002