POWER STEERING SYSTEM SYSTEM DIAGRAM

A01EJ3PE01

Transmitting ECU

(Transmitter)

 Receiving ECU Signal Communication Method
ECM Power Steering ECU

  • Engine speed signal

  • Engine variation information signal

  • TC terminal condition

  • 2WD or 4WD information signal

  • Actual output torque signal

 CAN
Brake Actuator Assembly (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

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

  • Yaw rate 1 zero point signal

  • GL1 zero point value signal

  • Yaw rate and acceleration sensor installation information signal

  • Yaw rate zero point error 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

  • FR, FL, RR and RL wheel speed sensor power supply drop state signal

  • TRC operating signal

  • VDIM controlling signal

  • Stop light switch signal

  • Brake control distinction signal

  • Yaw rate and acceleration sensor axis information signal

  • Yaw rate and acceleration sensor frame 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

 CAN
Yaw Rate Sensor and Acceleration Sensor Power Steering ECU

  • Yaw rate sensor and acceleration sensor signal

  • Yaw rate sensor and acceleration sensor (valid/invalid) signal

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

  • Yaw rate sensor and acceleration sensor error signal

  • GL1 and GL2 sensor signal

  • GL1 and GL2 sensor (valid/invalid) signal

  • GL1 and GL2 sensor error signal

  • Data output response non-request/request signal

  • Yaw rate and acceleration sensor CPU monitor signal

  • Sensor type distinction signal

  • Yaw rate difference value 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
Power Steering ECU Brake Actuator Assembly (Skid Control ECU)

  • EPS assist current value invalid signal

  • EPS torque sensor value invalid signal

  • EPS torque sensor value signal

  • EPS assist current value signal

 CAN