ENGINE IMMOBILISER SYSTEM SYSTEM DIAGRAM

A01ER4TE02
Communication Table
Transmitting ECU (Transmitter) Receiving ECU (Receiver) Signals Communication Method
Certification ECU (smart key ECU assembly) Main body ECU

  • Engine immobiliser system set/unset signal

  • Double lock fail-safe unset signal

  • Engine start signal

  • Transponder valid signal

  • Steering unlock demand signal

  • Steering lock demand signal

 LIN
Main body ECU Certification ECU (smart key ECU assembly)

  • Key code recognition signal

  • Engine start operation signal

  • ACC relay activation signal

  • IG relay activation signal
ID code box (immobiliser code ECU) Certification ECU (smart key ECU assembly)

  • Matching request random number signal

  • EFI code reception signal

  • Engine start permission demand reception signal

  • S code verification result signal

  • L code verification result signal

  • Steering unlock demand reception signal

  • Steering lock demand reception signal
Steering lock ECU

  • Steering lock release signal

  • Matching request random number signal
Steering lock ECU Certification ECU (smart key ECU assembly) L code verification signal