2017 Infiniti QX30 BaseFACTORY OEM SERVICE PROCEDURE

Component Location

GNSJSGIA2078ZZ-078Courtesy of NISSAN NORTH AMERICA, INC.
WZ-A Steering gear assembly        
No. Component Function
WHITE-1 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
  • For detailed installation location, refer to COMPONENT LOCATION .
WHITE-2 ECM
  • Transmits mainly the following signal to EPS control unit via CAN communication.
    • Engine speed signal
  • For detailed installation location, refer to COMPONENT LOCATION .
WHITE-3 Combination meter
  • Receives mainly the following signals from EPS control unit via CAN communication.
    • EPS warning message signal
  • For detailed installation location, refer to COMPONENT LOCATION .
WHITE-4 Steering column control module
  • Transmits mainly the following signals to EPS control unit via CAN communication.
    • Steering angle sensor signal
  • For detailed installation location, refer to COMPONENT LOCATION .
WHITE-5 Electronic ignition switch control unit
  • Transmits mainly the following signal to EPS control unit via CAN communication.
    • Ignition switch ON signal
    • Battery voltage signal
  • For detailed installation location, refer to COMPONENT LOCATION .
WHITE-6 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
  • For detailed installation location, refer to COMPONENT LOCATION .
WHITE-7 EPS actuator EPS CONTROL UNIT, EPS ACTUATOR 
WHITE-8 EPS torque sensor EPS TORQUE SENSOR 
WHITE-9 EPS control unit EPS CONTROL UNIT, EPS ACTUATOR 
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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