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FUEL PRESSURE SENSOR(for High Pressure) INSPECTION

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PROCEDURE


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    INSPECT FUEL DELIVERY PIPE WITH SENSOR ASSEMBLY LH

    Note:

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

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


    1. Check the fuel pressure sensor output voltage.


      1. B004SMJC02
        *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) and 2 (E2).

        Tip:

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

      2. B004TZBC16
        *a

        Component without harness connected

        (Fuel Pressure Sensor)

        Measure the voltage between terminals.

        Standard Voltage
        Tester Connection Condition Specified Condition
        D13-3(PR) - D13-2(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 delivery pipe with sensor assembly LH.