System Description

SYSTEM DIAGRAM 

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Component	Function
ADAS control unit	Component Function
ABS actuator and electric unit (control unit)	Component Function
Steering angle sensor	Component Function
Combination meter	Component Function
Front camera unit	Component Function

ADAS CONTROL UNIT INPUT/OUTPUT SIGNAL ITEM 

Input Signal Item 

Transmit unit	Signal name			Description
ABS actuator and electric unit (control unit)	CAN communication	Vehicle speed signal (ABS)		Receives the wheel speed of the four wheels
Combination meter	CAN communication	System selection signal		Receives a selection state of each item in "Driver Aids" selected with the combination meter
Steering angle sensor	CAN communication	Steering angle sensor signal		Receives the number of revolutions, turning direction of the steering wheel
Front camera unit	CAN communication	Traffic sign signal		Receives the traffic sign information

Output Signal Item 

Reception unit	Signal name			Description
Combination meter	CAN communication	Meter display signal		Transmits a signal and displays the status on the vehicle information display
Driver assistance buzzer	Driver assistance buzzer signal			Activates a driver assistance buzzer signal to activate the buzzer.

FUNCTION DESCRIPTION 

Displays the road conditions as identified by the front camera unit on the information display, and alerts the driver. Identifies the road sign information.

The front camera unit detects road signs as described below and displays them on the information display.

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	Speed sign detected *1		Speed sign detected *2		Speed sign detected (no speed limit detected)
	"Do not pass" sign detected

*1: For Canada

*2: For USA

EXAMPLE 

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OPERATION DESCRIPTION 

• The TSR system is controlled by the ADAS control unit.
• The ADAS control unit turns on the TSR system when the turned ON by combination meter.
• The front camera unit detects the road sign.
• The front camera unit transmits the meter display signal to the combination meter, when detecting the road sign.
• The front camera unit adjusts the detection range of road signs according to a steering angle sensor signal received from the steering angle sensor.

Operation Condition 

• TSR: ON