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Home >> Infiniti >> 2019 >> QX60 Pure, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (7 Of 17) >> DTC/Circuit Diagnosis >> DTC P0190: FRP Sensor >> Component Inspection (Fuel Rail Pressure Sensor)
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Component Inspection (Fuel Rail Pressure Sensor)

  1. CHECK FRP SENSOR 

    SYMBOL With CONSULT

    1. Turn ignition switch OFF.
    2. Reconnect harness connector disconnected.
    3. Start engine.
    4. On CONSULT screen, select "ENGINE">>"Data Monitor".
    5. 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: Revving engine from idle to 4, 000 rpm quickly

      1.120 - 2.900 V

    SYMBOL Without CONSULT

    1. Turn ignition switch OFF.
    2. Reconnect harness connector disconnected.
    3. Start the engine.
    4. Check FRP sensor signal voltage.

    ECM

    Condition

    Voltage

    Connector

    +

    -

    Terminal

    F78

    53

    83

    Engine speed: Idle

    1.12 - 1.31 V

    Engine speed: Revving engine from idle to 4, 000 rpm quickly

    1.12 - 2.90 V

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    Replace FRP sensor. Refer to Exploded View .