System Diagram

Fig 1: System Diagram (W/O Smart Key System)

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Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

COMMUNICATION LINE REFERENCE

Sender	Receiver	Signal	Communication Line
Transponder Key ECU	Meter ECU	Buzzer Sound Signal	BEAN
Driver Door ECU	Transponder Key ECU	Front Door Courtesy Switch Signal (Driver Side)	BEAN

Fig 2: System Diagram (W/ Smart Key System)

G03003026

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

COMMUNICATION LINE REFERENCE

Sender	Receiver	Signal	Communication Line
Steering Lock ECU	Meter ECU	Buzzer Sound Signal	BEAN
Driver Door ECU	Steering Lock ECU	Front Door Courtesy Switch Signal (Driver Side)	BEAN