Securities. Camry. Acv40 Gsv40
Engine Immobiliser. Camry. Acv40 Gsv40
Engine Immobiliser System (W/ Entry And Start System) -- System Diagram |

Transmitting ECU (Transmitter) | Receiving ECU (Receiver) | Signal | Communication Method |
Certification ECU (Smart key ECU assembly) | Main body ECU (Instrument panel junction block assembly) | Engine immobiliser system set/unset signal | CAN |
Main body ECU (Instrument panel junction block assembly) | Certification ECU (Smart key ECU assembly) | Key code recognition signal | CAN |
Steering lock ECU (Steering lock actuator assembly) | Certification ECU (Smart key ECU assembly) | 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 (Immobiliser code ECU) | Certification ECU (Smart key ECU assembly) | 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 (Immobiliser code ECU) | Steering lock ECU (Steering lock actuator assembly) | Steering lock release signal | LIN |
Matching request random number signal | |||
Certification ECU (Smart key ECU assembly) | ID code box (Immobiliser code ECU) | 3-bit code request signal | LIN |
ID code matching result signal | |||
Registered key number signal | |||
Vehicle type handle signal | |||
Certification ECU (Smart key ECU assembly) |
| L code registration mode signal | LIN |
Diagnosis mode request signal | |||
DTC clear request signal |