LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Nissan-Datsun >> 2024 >> Sentra S >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (2 Of 2) >> Component/Circuit Diagnosis >> Fuel Rail Pressure Sensor >> Component Inspection
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Component Inspection

  1. CHECK FUEL RAIL PRESSURE (FRP) SENSOR 

    SYMBOL With CONSULT

    1. Turn ignition switch OFF.
    2. Reconnect harness connector disconnected.
    3. Start engine and warm it up to normal operating temperature.
    4. Select "FUEL PRES SEN V" in "DATA MONITOR" mode of "ENGINE" using CONSULT and check the indication under the following condition.
      Monitor item Condition Indication
      FUEL PRES SEN V
      • Engine: After warming up
      • Selector lever: P or N position (CVT models), Neutral position (M/T models)
      • A/C switch: OFF
      • No load
      Engine speed: Idle 0.820 - 1.140 V
      Revving engine from idle to 4, 000 RPM quickly 0.820 - 2.900 V

    SYMBOL Without CONSULT

    1. Turn ignition switch OFF.
    2. Reconnect harness connector disconnected.
    3. Start engine and warm it up to normal operating temperature.
    4. Check FRP sensor signal voltage.
      ECM Condition Voltage
      Connector + -
      Terminal
      F24 44 45 [Engine is running]
      • Engine warm-up condition
      • Engine speed: Idle
      0.82 - 1.14 V
      [Engine is running]
      • Engine warm-up condition
      • Revving engine from idle to 4, 000 RPM quickly
      0.82 - 2.9 V

    Is inspection result normal?

    >>

    INSPECTION END

    >>

    Replace FRP sensor. Refer to Exploded View .