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System Diagram

Fig 1: Intuitive Parking Assist System Diagram
G05299913Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Input signal to clearance warning ECU 

SIGNAL REFERENCE CHART

Transmitting ECU (transmitter) Signals Communication Method
Combination Meter Vehicle speed signal BEAN
Integration Control and Panel Clearance sonar main switch signal BEAN
Combination Switch Tail switch signal BEAN
ECM Shift position signal BEAN
Steering Angle Sensor Steering signal CAN
Steering Control ECU Variable gear ratio steering signal CAN
Multi-display Intuitive parking assist system setting change signal AVC-LAN - BEAN

Output signal from clearance warning ECU 

SIGNAL REFERENCE CHART

Receiving ECU Signals Communication Method
Combination Meter Display signal BEAN
Multi-display Display signal AVC-LAN