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)

Transmitting ECU (Transmitter)	Receiving ECU	Signal	Communication Method
Main body ECU RH (Cowl side junction block RH)	Certification ECU (Smart key ECU assembly)	Door lock/unlock position signal Courtesy light switch signal Destination signal Vehicle type handle signal Door electrical key operation switch signal Door lock output operate signal Wireless door lock/unlock signal DTC clear signal DTC demand signal	BEAN
Main body ECU LH (Cowl side junction block LH)	Certification ECU (Smart key ECU assembly)	Luggage compartment door opener outer switch signal Luggage compartment door key switch signal	BEAN
Certification ECU (Smart key ECU assembly)	Combination meter assembly	Meter buzzer single tone request signal Meter buzzer intermittent tone request signal Meter buzzer continuous tone request signal Key loss warning signal Key not detected warning signal Low key battery warning signal Shift position warning signal Emergency operation support display request signal Engine start method display request signal	BEAN
Combination meter assembly	Certification ECU (Smart key ECU assembly)	Vehicle speed signal	BEAN
Steering lock ECU (Steering lock actuator assembly)	Certification ECU (Smart key ECU assembly)	Encryption code signal Encryption code finish signal Encryption calculate fixed number memory requirement signal During entry control signal	LIN