System Diagram
Input and Output Signal of Each ECU Transmitting ECU (transmitter) | Receiving ECU | Signal | Communication Method |
|---|---|---|---|
Power management Control ECU |
Steering Lock ECU (Steering Lock Actuator Assembly) |
Power supply status (to steering lock motor) |
LIN |
Steering Lock ECU (Steering Lock Actuator Assembly) |
Certification ECU (Smart Key ECU Assembly) |
Sleep available status |
LIN |
Steering Lock ECU (Steering Lock Actuator Assembly) |
|
Lock/Unlock sensor status |
LIN |
Steering Lock ECU (Steering Lock Actuator Assembly) |
Certification ECU (Smart Key ECU Assembly) |
Steering lock status |
LIN |
Steering Lock ECU (Steering Lock Actuator Assembly) |
Certification ECU (Smart Key ECU Assembly) |
Motor control status |
LIN |
Steering Lock ECU (Steering Lock Actuator Assembly) |
Certification ECU (Smart Key ECU Assembly) |
Diagnostic response status |
LIN |
Steering Lock ECU (Steering Lock Actuator Assembly) |
Certification ECU (Smart Key ECU Assembly) |
Lock/Unlock sensor malfunction |
LIN |
Steering Lock ECU (Steering Lock Actuator Assembly) |
Certification ECU (Smart Key ECU Assembly) |
Power supply malfunction (to steering lock motor) |
LIN |
Steering Lock ECU (Steering Lock Actuator Assembly) |
Certification ECU (Smart Key ECU Assembly) |
Motor driver malfunction |
LIN |
Steering Lock ECU (Steering Lock Actuator Assembly) |
|
Lock bar (stuck) status |
LIN |
Steering Lock ECU (Steering Lock Actuator Assembly) |
|
Push start status |
LIN |
Steering Lock ECU (Steering Lock Actuator Assembly) |
Certification ECU (Smart Key ECU Assembly) |
Lock/Unlock relay drive status |
LIN |
Steering Lock ECU (Steering Lock Actuator Assembly) |
|
Engine start control status |
LIN |
Test yourself
A quick Toyota Venza quiz: every answer comes with an explanation and a link to the manual page.