Sonar Control Unit Input/Output Signal Items

Input Signal Item

Transmit unit	Signal name		Description
Electric parking brake control module	CAN	Parking brake signal	Receives parking brake status
ECM	CAN	Shift position signal	Receives shift position status
Electric stability program control unit	CAN	Wheel speed signal	Receives wheel speed
		Wheel rotation signal	Receives wheel rotation status
EPS control unit (Steering gear assembly)	CAN	Electric power steering torque sensor signal	Receives electric power steering torque status
BCM	CAN	Dusk setting signal	Receives dusk setting signal
Electric ignition switch control unit	CAN	Circuit 15 status ON signal	Receives circuit 15 status
Combination meter	CAN	Park assist status signal	Receives park assist status
		Vehicle speed signal	Receives vehicle speed
Steering column control module	CAN	Combination switch signal	Receives combination switch status
		Steering wheel angle signal	Receives steering wheel angle status
Upper control panel control unit (sonar system switch)	CAN	Parking system button status signal	Receives parking system button status
Display control unit	CAN	Sonar indicator display signal	Receives sonar indicator display status
		Buzzer output signal	Receives buzzer output status
Side sensor front RH	Hard wire	Sensor signal	Detects distance to obstacle.
Corner sensor front
Side sensor front LH
Corner sensor rear

Output Signal Item

Transmit unit	Signal name		Description
EPS control unit (Steering gear assembly)	CAN	Electric power steering request	Transmits electric power steering request
Combination meter	CAN	Meter display signal	Transmits meter display signal
Upper control panel control unit (sonar system switch)	CAN	Parking system status indicator request signal	Transmits parking system status indicator request signal