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Home >> Nissan-Datsun >> 2024 >> Sentra SR >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (2 Of 2) >> Component/Circuit Diagnosis >> High Pressure Fuel Pump >> Component Function Check
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Component Function Check

  1. CHECK HIGH PRESSURE FUEL PUMP FUNCTION 

    SYMBOL With CONSULT

    1. Start engine.
    2. Select "FUEL PRES SEN V" in "DATA MONITOR" mode of "ENGINE" using CONSULT and check the indication as per the following conditions.
      Monitor item Condition Indication
      FUEL PRES SEN V At idle 0.820 - 1, 140 V
      Revving engine up to 4, 000 RPM quickly. 0.820 - 2, 900 V

    SYMBOL Without CONSULT

    1. Start engine.
    2. Check the voltage between ECM terminals as per the following conditions.
      ECM Condition Voltage
      Connector + -
      Terminal
      F25 67 68 [Engine is running]
      • Warm-up condition
      • Idle speed
        NOTE: SYMBOL The pulse cycle changes depending on RPM at idle.
      GNSDB133887Courtesy of NISSAN NORTH AMERICA, INC.
      [Engine is running]
      • Warm-up condition
      • Engine speed: 2, 000 RPM
      GNSDB133903Courtesy of NISSAN NORTH AMERICA, INC.

    Is the inspection result normal?

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    INSPECTION END

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    Refer to Diagnosis Procedure .