SYSTEM DIAGRAM

System information

Input signal to clearance warning ECU 

Transmitting ECU (transmitter)	Signals	Communication Method
Combination Meter	Vehicle speed signal	BEAN
Satellite Switch	Clearance sonar main switch signal	BEAN
ECM	Shift position signal	CAN - BEAN
Main body ECU LH (Cowl Side J/B LH)	Back-up Light Reverse Signal	BEAN
Multi-display	Clearance sonar system setting change signal	AVC-LAN - BEAN

Output signal from clearance warning ECU 

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