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Home >> Infiniti >> 2017 >> QX30 Base >> Repair and Diagnosis >> Steering >> Electronic Steering >> Steering Control System >> System Description >> System >> EPS System >> System Description >> System Diagram
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System Diagram

GNSJSGIA2083GB-083Courtesy of NISSAN NORTH AMERICA, INC.

INPUT/OUTPUT SIGNAL

Major signal transmission between each unit via communication lines is shown in the following table.

Component Signal description
Electronic stability program control unit
  • Transmits mainly the following signals to EPS control unit via CAN communication.
    • Front LH wheel speed signal
    • Front RH wheel speed signal
    • Rear LH wheel speed signal
    • Rear RH wheel speed signal
    • Steering assistance torque request signal
    • Yaw rate signal
    • Side G signal
ECM
  • Transmits mainly the following signal to EPS control unit via CAN communication.
    • Engine speed signal
Combination meter
  • Receives mainly the following signals from EPS control unit via CAN communication.
    • EPS warning message signal
Steering column control module
  • Transmits mainly the following signals to EPS control unit via CAN communication.
    • Steering angle sensor signal
Electronic ignition switch control unit
  • Transmits mainly the following signal to EPS control unit via CAN communication.
    • Ignition switch ON signal
    • Battery voltage signal
Sonar control unit
  • Transmits mainly the following signals to EPS control unit via CAN communication.
    • Park assist status signal
    • Steering angle command signal
  • Receives mainly the following signals from EPS control unit via CAN communication.
    • EPS control unit status signal