System Diagram

Fig 1: Smart Access System With Push Button Start - System Diagram (1 Of 2)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 2: Smart Access System With Push Button Start - System Diagram (2 Of 2)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Communication Table

COMMUNICATION CHART

Sender	Receiver	Signal	Line
ECM	Main body ECU	Engine speed signal	CAN
Combination meter	Main body ECU	Vehicle speed signal	CAN
Steering lock ECU	Main body ECU	Steering lock/unlock signal	LIN
Certification ECU (Smart key ECU assembly)	Main body ECU	LIN master signal	LIN
Main body ECU	ID code box (Immobiliser code ECU)	ID required signal	LIN
Main body ECU	Certification ECU (Smart key ECU assembly)	Key existence condition signal	LIN