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System Diagram [10/2015 - ]

Fig 1: Lane Departure Alert System (w/ Steering Control) System Diagram (1 Of 2)

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Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 2: Lane Departure Alert System (w/ Steering Control) System Diagram (2 Of 2)

GTY608823

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

COMMUNICATION TABLE

Sender ECU	Receiver ECU	Signal	Line
Forward Recognition Camera	Combination Meter Assembly	Lane departure alert indicator light signal Lane marker signal Forward Recognition Camera malfunction signal LDA customization infomation Break message and exertion level display Lane departure alert buzzer signal	CAN
ECM	Forward Recognition Camera	Shift position signal (P, R, N, D) Vehicle specification information (2WD/4WD information, conventional/ hybrid information)	CAN
Driving Support ECU Assembly		Lane departure alert main switch operation signal	CAN
Brake Actuator Assembly (Skid Control ECU)		Wheel speed signal Wheel speed sensor malfunction signal Under VSC control Under TRC control Airbag ECU assembly zero point signal Airbag ECU assembly zero point error signal	CAN
Combination Meter Assembly		Turn signal light switch signal Vehicle speed tolerance signal	CAN
Steering Angle Sensor (Spiral with Sensor Cable Sub-assembly)		Steering signal Steering angle sensor malfunction signal	CAN
Airbag ECU Assembly		Yaw rate sensor signal Yaw rate sensor voltage signal Yaw rate sensor malfunction signal	CAN
Main Body ECU (Multiplex Network Body ECU)		Country specification information signal Steering wheel information signal	CAN
ECM		Accelerator opening angle percentage signal	CAN