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HOMESERVICE MANUALSNISSAN-DATSUN2024FRONTIER SL, RWDREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROL SYSTEM (DTC/CIRCUIT DIAGNOSIS) (5 OF 6)DTC/CIRCUIT DIAGNOSISDTC P119C: FUEL RAIL PRESSURE SENSORCOMPONENT INSPECTION (FUEL RAIL PRESSURE SENSOR)
2024 Nissan-Datsun Frontier SL, RWD

Component Inspection (Fuel Rail Pressure Sensor)

2024 Nissan-Datsun Frontier SL, RWDSECTION Component Inspection (Fuel Rail Pressure Sensor)
  1. CHECK FRP SENSOR 

    SYMBOL With CONSULT

    1. Turn ignition switch OFF.
    2. Reconnect harness connector disconnected.
    3. Start engine.
    4. On CONSULT screen, select "ENGINE">>"Data Monitor".
    5. Check that the "FUEL PRES SEN V" indication.
      Monitor Item Condition Values/Status
      FUEL PRES SEN V Engine speed: Idle 1.120 - 1.310 V
      Engine speed: 2, 000 RPM 1.215 - 1.425 V

    SYMBOL Without CONSULT

    1. Turn ignition switch OFF.
    2. Reconnect harness connector disconnected.
    3. Start the engine.
    4. Check FRP sensor signal voltage.
    ECM Condition Voltage
    Connector + -
    Terminal
    F78 47 85 Engine speed: Idle 1.12 - 1.31 V
    Engine speed: 2, 000 RPM 1.22 - 1.42 V

    Is the inspection result normal?

    >>

    INSPECTION END

    >>

    Replace FRP sensor. Refer to Exploded View .

RENDER: 1.0x

NO RELATED

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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.