System Diagram
Communication Table Transmitting ECU (Transmitter) | Receiving ECU (Receiver) | Signal | Communication Method |
|---|---|---|---|
Certification ECU (smart key ECU assembly) |
Power management control ECU |
Engine immobiliser system set/unset signal |
CAN |
Power management control ECU |
Certification ECU (smart key ECU assembly) |
Key code recognition signal |
CAN |
Power management control ECU |
Certification ECU (smart key ECU assembly) |
Shift position P signal |
LIN |
ID code certification result request signal |
|||
Power supply ON operation condition signal |
|||
Engine start operation condition signal |
|||
ACC relay drive condition signal |
|||
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 |
|||
Certification ECU (Smart key ECU assembly) |
Steering lock ECU (Steering lock actuator assembly) |
Steering lock release signal |
LIN |
Matching request random number signal |
|||
L code registration mode signal |
|||
Diagnosis mode request signal |
|||
DTC clear request signal |
Test yourself
A quick Toyota Venza quiz: every answer comes with an explanation and a link to the manual page.