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

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B216015E05


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
  1. ID code box
  2. Steering lock ECU
L code registration mode signal
LIN
Diagnosis mode request signal
DTC clear request signal
Certification ECU
  1. Power source control ECU*1
  2. 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
  1. Power source control ECU*1
  2. Power management control ECU*2
Certification ECU
Key code recognition signal
LIN
Engine start operation signal
ACC relay activation signal
IG relay activation signal
  1. *1: for 1ND-TV
  2. *2: for 1KR-FE and 1NR-FE