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HOMESERVICE MANUALSNISSAN-DATSUN2024FRONTIER SL, RWDREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROL SYSTEM (DTC/CIRCUIT DIAGNOSIS) (1 OF 6)DTC/CIRCUIT DIAGNOSISDTC P0088: FRP CONTROL SYSTEMCOMPONENT INSPECTION (HIGH PRESSURE FUEL PUMP)
2024 Nissan-Datsun Frontier SL, RWD

Component Inspection (High Pressure Fuel Pump)

2024 Nissan-Datsun Frontier SL, RWDSECTION Component Inspection (High Pressure Fuel Pump)
  1. CHECK HIGH PRESSURE FUEL PUMP-IΒ 
    1. Turn ignition switch OFF.
    2. Disconnect high pressure fuel pump harness connector.
    3. Check the resistance between high pressure fuel pump terminals.
      High pressure fuel pump Condition Resistance
      + -
      Terminal
      1 2 Temperature 20 Β°C (68 Β°F) 0.45 - 0.55 Ξ©

    Is the inspection result normal?

    >>

    GO TO 2.

    >>

    Replace high pressure fuel pump. Refer to Removal and Installation .

  2. CHECK HIGH PRESSURE FUEL PUMP-IIΒ 

    SYMBOL With CONSULT

    1. Reconnect high pressure fuel pump harness connector.
    2. Start engine.
    3. On CONSULT screen, select "ENGINE">>"Data Monitor".
    4. 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. Reconnect high pressure fuel pump harness connector.
    2. Start engine.
    3. Check fuel rail pressure 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 high pressure fuel pump. Refer to Removal and Installation .

RENDER: 1.0x

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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.