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System Diagram

  1. except Canada 
    Fig 1: Identifying Engine Immobilizer System (W/O Automatic Light Control) System Diagram
    GTY223463Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    COMMUNICATION TABLE

    Transmitting ECU (Transmitter) Receiving ECU (Receiver) Signal Communication Method
    Certification ECU (Smart key ECU assembly) Transmission control ECU assembly L code registration mode signal LIN
    Transmission control ECU assembly Certification ECU (Smart key ECU assembly) L code registration condition signal LIN
    L code certification condition signal
    Engine start condition signal
  2. for Canada 
    Fig 2: Identifying Engine Immobilizer System (W/ Automatic Light Control) System Diagram
    GTY220595Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    COMMUNICATION TABLE

    Transmitting ECU (Transmitter) Receiving ECU (Receiver) Signal Communication Method
    Certification ECU (Smart key ECU assembly) ID code box (Immobilizer code ECU) 3 bit code transmit request signal LIN
    S code registration mode signal
    S code certification condition signal
    Transmission control ECU assembly L code registration mode signal LIN
    ID code box (Immobilizer code ECU) Certification ECU (Smart key ECU assembly) Engine start permission receive condition signal LIN
    3 bit code transmit request receive condition signal
    S code certification result signal
    L code certification result signal
    S code registration mode signal
    S code registration condition signal
    Transmission control ECU assembly L code registration condition signal LIN
    • Certification ECU (Smart key ECU assembly)
    • Transmission control ECU assembly
    		 L code registration mode signal LIN
    Transmission control ECU assembly Certification ECU (Smart key ECU assembly) L code registration condition signal LIN
    Engine start condition signal
    ID code box (Immobilizer code ECU) L code certification condition signal LIN
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