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System Diagram

Fig 1: Variable Gear Ratio Steering System Diagram
G05851434Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
COMMUNICATION METHOD REFERENCE

Transmitting ECU (Transmitter) Receiving ECU Signals Communication method
Steering Angle Sensor Steering Control ECU
  • Steering wheel angle signal
  • Tire angle (during straight-ahead driving) signal
 CAN
Steering Angle Sensor Steering Control ECU
  • Steering wheel angle signal
 Serial communication
Deceleration Sensor Steering Control ECU
  • Deceleration sensor signal
 CAN
Yaw Rate Sensor Steering Control ECU
  • Yaw rate signal
 CAN
Skid Control ECU Steering Control ECU
  • Vehicle speed signal
  • Steering cooperative control level signal
 CAN
Steering Control ECU Skid Control ECU
  • Steering actuator operating angle signal
 CAN
Steering Control ECU Power Steering ECU
  • Steering actuator operating angle signal
  • Steering cooperative control level signal
 CAN
Steering Control ECU Combination Meter
  • Warning information signal
 CAN
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