ENGINE IMMOBILISER SYSTEM (w/ Entry and Start System) SYSTEM DIAGRAM

A011A0UE05
Communication Table

Transmitting ECU

(Transmitter)

 Receiving ECU (Receiver) Signal Line
Steering lock ECU Certification ECU Steering lock signal LIN
Steering unlock signal
Steering lock confirmation signal
Steering unlock confirmation signal
Diagnosis response signal
Steering unlock drive relay signal
Steering lock drive relay signal
Steering lock motor operation signal
L code registration status signal
ID code box Certification ECU Matching request random number signal LIN
EEPROM access malfunction signal
Model code matching signal
Model code mismatching signal
ECM code receiving status signal
Engine start permission request signal
Engine start permission response signal
S code matching result signal
S code registration status signal
S code registration mode signal
L code matching result signal
ECM communication signal
Registered key number response signal
Diagnosis mode switching signal
Registered key number signal
ID code box Steering lock ECU Steering lock release signal LIN
Matching request random number signal
Certification ECU ID code box 3 bit code request signal LIN
ID code matching result signal
Registered key number signal
Vehicle type handle signal
Certification ECU

  • ID code box

  • Steering lock ECU

 L code registration mode signal LIN
Diagnosis mode request signal
DTC clear request signal
Certification ECU

  • Power source control ECU*1

  • Power management control ECU*2

 Engine immobiliser system set/unset signal LIN
Engine start signal
Transponder valid signal
Steering unlock demand signal
Steering lock demand signal

  • Power source control ECU*1

  • Power management control ECU*2

 Certification ECU Key code recognition signal LIN
Engine start operation signal
ACC relay activation signal
IG relay activation signal