POWER STEERING SYSTEM SYSTEM DIAGRAM

A01CE4KE02

Transmitting ECU

(Transmitter)

 Receiving ECU Signal Communication Method
ECM Power Steering ECU

  • T/M variation information signal

  • Engine speed signal

  • Ambient temperature signal

  • Intake air temperature signal

  • Engine variation information signal

  • Vehicle destination information signal

  • TC terminal condition

  • Variation information of transmission signal

 CAN
Skid Control ECU Power Steering ECU

  • Vehicle speed (SP1) status signal

  • Vehicle speed (SP1) signal

  • Test mode signal

  • VSC controlling signal

  • ABS controlling signal

  • FR, FL, RR and RL wheel speed signal

  • FR, FL, RR and RL wheel speed sensor error signal

  • Yaw rate 1 zero point signal

  • GL1 zero point value signal

  • Yaw G sensor installation information signal

  • Yaw rate zero point error signal

  • FR, FL, RR and RL wheel ABS operating signal

  • VSC operation prohibition state signal

  • Deviation of yaw rate signal

  • FR and FL wheel TRC operating signal

  • Difference brake pressure, FR and FL wheel signal

  • 2WD or 4WD information signal

 CAN
Steering Angle Sensor Power Steering ECU

  • Data continuity (valid/invalid) signal

  • +B open circuit signal

  • Sensor malfunction signal

  • Steering angle signal

  • Zero point memory (in sensor) valid/invalid signal

  • Zero point (stored in steering angle sensor) signal

  • Data output response signal

 CAN
Yaw Rate Sensor Power Steering ECU

  • Yaw rate sensor signal 1

  • Yaw rate sensor 1 (valid/invalid) signal

  • Sensor power supply voltage (IG) (valid/invalid) signal

  • Yaw rate sensor 1 error signal

  • GL1 and GL2 sensor signal

  • GL1 and GL2 sensor (valid/invalid) signal

  • GL1 and GL2 sensor error signal

 CAN
Power Steering ECU ECM EPS idle up request signal CAN
Power Steering ECU Air Conditioning ECU Loading control level signal CAN
Power Steering ECU Combination Meter

  • EPS light on request signal

  • EPS diagnostic information signal

 CAN