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System Diagram [07/2015 - ]

Fig 1: Pre-Collision Circuit Diagram (1 Of 2)
GTY636884Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Pre-Collision Circuit Diagram (2 Of 2)
GTY645648Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
COMMUNICATION TABLE

Sender Receiver Signal Line
Driving Support ECU Assembly Brake Actuator Assembly (Skid Control ECU)
  • Brake assist standby signal
  • Pre-collision brake operation signal
 CAN
Driving Support ECU Assembly Combination Meter Assembly
  • Pre-collision system malfunction signal
  • Pre-collision system warning distance signal
  • Warning signal
  • Pre-collision system cancel signal
 CAN
Driving Support ECU Assembly Forward Recognition Camera
  • Pre-collision alarm signal
  • Pre-collision brake operation signal
 CAN
Brake Actuator Assembly (Skid Control ECU) Driving Support ECU Assembly
  • Vehicle speed signal
  • Stop light switch signal
  • Vehicle yaw rate sensor signal
  • VSC system operation signal
  • VSC system malfunction signal
 CAN
Brake Actuator Assembly (Skid Control ECU) Forward Recognition Camera
  • Vehicle speed signal
  • Vehicle yaw rate sensor signal
 CAN
Airbag Sensor Assembly (Yaw Rate and Acceleration Sensor) Driving Support ECU Assembly Vehicle yaw rate sensor signal CAN
Airbag Sensor Assembly (Yaw Rate and Acceleration Sensor) Forward Recognition Camera Vehicle yaw rate sensor signal CAN
Main Body ECU (Multiplex Network Body ECU) Driving Support ECU Assembly Vehicle specification information (destination) CAN
Main Body ECU (Multiplex Network Body ECU) Forward Recognition Camera Vehicle specification information (destination) CAN
Steering Sensor Driving Support ECU Assembly
  • Steering angle sensor signal
  • Steering angle sensor malfunction signal
 CAN
Steering Sensor Forward Recognition Camera Steering angle sensor malfunction signal CAN
ECM Driving Support ECU Assembly
  • Shift position signal (D, R)
  • Engine type information signal
  • Vehicle specification information (2WD/4WD information)
 CAN
Driving Support ECU Assembly ECM Throttle valve close signal CAN
Millimeter Wave Radar Sensor Assembly Driving Support ECU Assembly
  • Front obstacle recognition signal
  • Distance signal
  • Relative speed signal
 CAN
Forward Recognition Camera Driving Support ECU Assembly
  • Front obstacle recognition signal
  • Distance signal
 CAN
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