System Diagram
Communication Table Transmitting ECU (Transmitter) | Receiving ECU (Receiver) | Signal | Communication Method |
|---|---|---|---|
Combination meter |
Power management control ECU |
Vehicle speed signal |
CAN communication line/Local communication |
ECM |
Power management control ECU |
Stop light switch signal |
CAN communication line/Local communication |
ECM |
Power management control ECU |
Engine speed signal |
CAN/Local communication |
ECM |
Power management control ECU |
Shift position P signal |
CAN/Local communication |
Power management control ECU |
Combination meter |
Message request signal for push start |
CAN |
Power management control ECU |
Certification ECU (smart key ECU assembly) |
Shift position P signal |
LIN |
Power management control ECU |
Certification ECU (smart key ECU assembly) |
ID code certification result request signal |
LIN |
Power management control ECU |
Certification ECU (smart key ECU assembly) |
Power supply ON operation condition signal |
LIN |
Power management control ECU |
Certification ECU (smart key ECU assembly) |
Engine start operation condition signal |
LIN |
Power management control ECU |
Certification ECU (smart key ECU assembly) |
ACC relay drive condition signal |
LIN |
Steering lock actuator assembly (steering lock ECU) |
Certification ECU (smart key ECU assembly) |
Lock-side sensor condition signal |
LIN |
Steering lock actuator assembly (steering lock ECU) |
Certification ECU (smart key ECU assembly) |
Unlock-side sensor condition signal |
LIN |
Steering lock actuator assembly (steering lock ECU) |
Certification ECU (smart key ECU assembly) |
Sensor malfunction signal |
LIN |
Steering lock actuator assembly (steering lock ECU) |
Certification ECU (smart key ECU assembly) |
Lock lever engagement malfunction signal |
LIN |
Steering lock actuator assembly (steering lock ECU) |
Certification ECU (smart key ECU assembly) |
Abnormal push-signal |
LIN |
Steering lock actuator assembly (steering lock ECU) |
Certification ECU (smart key ECU assembly) |
Engine start permission signal |
LIN |
Steering lock actuator assembly (steering lock ECU) |
Certification ECU (smart key ECU assembly) |
L code certification condition signal |
LIN |
Certification ECU (smart key ECU assembly) |
Steering lock actuator assembly (steering lock ECU) |
Steering unlock request signal |
LIN |
Certification ECU (smart key ECU assembly) |
Steering lock actuator assembly (steering lock ECU) |
Steering lock request signal |
LIN |
Steering lock actuator assembly (steering lock ECU) |
Power management control ECU |
Unlock position signal |
LIN |
Power management control ECU |
Steering lock actuator assembly (steering lock ECU) |
Steering lock relay power supply condition signal |
LIN |
Power management control ECU |
Steering lock actuator assembly (steering lock ECU) |
IG relay drive condition signal |
LIN |
Test yourself
A quick Toyota Venza quiz: every answer comes with an explanation and a link to the manual page.