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Home >> Toyota >> 2014 >> Prius Five >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 134 (Pre-Collision System (Diagnostics - Introduction) (Plug-In)) >> Pre-Collision System >> System Diagram [10/2013 - ] >> System Diagram [10/2013 - ]
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System Diagram [10/2013 - ]

WARNING: This page is about a different variant/trim than selected.
Fig 1: Identifying Pre-Collision System Diagram
GTY335237Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
COMMUNICATION TABLE

Sender Receiver Signal Line
Driving Support ECU Seat Belt Control ECU
  • Pre-collision seat belt operation signal
  • Pre-collision system malfunction signal
CAN
Driving Support ECU Brake Booster with Master Cylinder (skid control ECU)
  • Brake assist standby signal
  • Pre-collision brake operation signal
  • Pre-collision alarm signal
CAN
Driving Support ECU Combination Meter
  • Pre-collision system malfunction signal
  • Warning signal
CAN
Seat Belt Control ECU Combination Meter Pre-collision system malfunction signal CAN
Brake Booster with Master Cylinder (Skid Control ECU) Driving Support ECU Vehicle speed signal CAN
Brake Booster with Master Cylinder (Skid Control ECU) Seat Belt Control ECU
  • Vehicle speed signal
  • Seat belt operation signal
CAN
Yaw Rate Sensor Driving Support ECU Vehicle yaw rate sensor signal CAN
Seat Belt Control ECU Driving Support ECU Pre-collision system malfunction signal CAN
Main Body ECU Seat Belt Control ECU Vehicle type signal (Steering wheel position) CAN
Main Body ECU Driving Support ECU Vehicle specification information (destination, steering wheel position) CAN
Steering Angle Sensor Driving Support ECU Steering angle sensor signal CAN
Center Airbag Sensor Seat Belt Control ECU Buckle switch signal CAN
Power Management Control ECU Driving Support ECU
  • Shift position signal (D, R)
  • Engine type information signal
  • Vehicle specification information (2WD/AWD information)
CAN
Millimeter Wave Radar Sensor Driving Support ECU
  • Front obstacle recognition signal
  • Distance signal
  • Relative speed signal
CAN