System Diagram

Fig 1: Identifying Smart Access System With Push-Button Start (For Entry Function) System Diagram (1 of 2)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 2: Identifying Smart Access System With Push-Button Start (For Entry Function) System Diagram (2 of 2)

COMMUNICATION TABLE

Transmitting ECU (Transmitter)	Receiving ECU	Signal	Communication Method
Main body ECU (multiplex network body ECU)	Certification ECU (smart key ECU assembly)	Courtesy light switch signal	CAN
		Door lock output signal
		Door lock position switch signal
		Driver door key operated switch signal
		IG signal
		ACC switch signal
Certification ECU (smart key ECU assembly)	Main body ECU (multiplex network body ECU)	Illumination light request signal	CAN
		Light answer back signal
		Door lock/unlock request signal
		Back door output request signal
		Wireless door lock buzzer request signal
Certification ECU (smart key ECU assembly)	Combination meter assembly	Meter buzzer single tone request signal	CAN
		Meter buzzer intermittent tone request signal
		Meter buzzer continuous tone request signal
		Key loss warning signal
		Auto power off operation request signal
		Key not detected warning signal
		Low key battery warning signal
		Shift position warning signal
		Steering lock malfunction warning signal
		Steering lock not-released warning signal
		Immobiliser system certification completion signal
		Emergency operation support display request signal
		Engine start method display request signal
Combination meter assembly	Certification ECU (smart key ECU assembly) Main body ECU (multiplex network body ECU)	Vehicle speed signal	CAN
Steering lock ECU (steering lock actuator assembly)	Certification ECU (smart key ECU assembly)	Encryption code signal	LIN
		Encryption code finish signal
		Encryption calculate fixed number memory requirement signal
		During entry control signal