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System Diagram [08/2013 - ]

Fig 1: Smart Access System With Push-Button Start (For Start Function) - Wiring Diagram (1 Of 2)
GTY142499Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Smart Access System With Push-Button Start (For Start Function) - Wiring Diagram (2 Of 2)
GTY458873Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
COMMUNICATION TABLE

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 (Immobilizer code ECU) ID required signal LIN
Main body ECU Certification ECU (Smart key ECU assembly) Key existence condition signal LIN