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System Diagram

Fig 1: Power Steering System Diagram
GTY346554Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Transmitting ECU
(Transmitter)		 Receiving ECU Signal Communication Method
ECM Power Steering ECU
  • Engine speed signal
  • Engine variation information signal
  • Vehicle destination information signal
  • Variation information of transmission signal
 CAN
Skid Control ECU Power Steering ECU
  • Vehicle speed signal
  • VSC operation prohibition state signal
 CAN
Power Steering ECU ECM EPS idle up request signal CAN
Power Steering ECU Combination Meter
  • EPS warning light on request signal
  • EPS diagnostic information signal
 CAN
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