2021 Nissan-Datsun Sentra SFACTORY OEM SERVICE PROCEDURE

Input/Output Signal

Communicates the signal from each control unit via CAN communication.

Control unit

Signal status

ECM

  • Transmits the following signal to EPS control unit via CAN communication:
    • Engine status signal
    • EPS assist request signal

ABS actuator and electric unit (control unit)

  • Transmits the following signal to EPS control unit via CAN communication:
    • Vehicle speed signal (ABS)

Combination meter

  • Transmits the following signal to EPS control unit via CAN communication:
    • Vehicle speed signal (combination meter)
  • Receives the following signal from EPS control unit via CAN communication:
    • EPS warning lamp signal

Chassis control module (with built in steering angle sensor)

  • Transmits the following signal to EPS control unit via CAN communication:
    • Steering angle sensor signal
Factory Service Tools

Use the Manual With the Right Hardware

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When to See a Mechanic

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

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

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