FUEL PRESSURE SENSOR(for High Pressure) INSPECTION

PROCEDURE


  1. INSPECT FUEL PRESSURE SENSOR (FUEL DELIVERY PIPE WITH SENSOR ASSEMBLY LH)

    Note


    • Do not remove the fuel pressure sensor from the fuel delivery pipe with sensor assembly LH.

    • If the fuel pressure sensor is removed, replace the fuel pressure sensor (fuel delivery pipe with sensor assembly LH) with a new one.


    1. Check the fuel pressure sensor output voltage.


      1. B0085MVC02
        *a

        Component without harness connected

        (Fuel Pressure Sensor)
        *b Voltage Applied between Terminals

        Apply 5 V between terminals 1 (VC) and 2 (E2).

        Note


        • Be careful when connecting the leads as the fuel pressure sensor may be damaged if the leads are connected to the wrong terminals.

        • Do not apply more than 6 V to terminals 1 (VC) or 2 (E2).

        Tech Tips

        If a stable power supply is not available, connect 4 nickel-metal hydride batteries (1.2 V each) or equivalent in series.

      2. B0084GWC04
        *a

        Component without harness connected

        (Fuel Pressure Sensor)

        Measure the voltage according to the value(s) in the table below.

        Standard Voltage
        Tester Connection Condition Specified Condition
        3 (PR) - 2 (E2) Pressure not applied to fuel pressure sensor Approximately 0.4 to 0.6 V*

        *: The output voltage changes depending on the voltage applied to the terminals.

        If the result is not as specified, replace the fuel pressure sensor (fuel delivery pipe with sensor assembly LH).