LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2022 >> Q60 Luxe, RWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (Diagnostics) (3 Of 4) >> Component/Circuit Diagnosis >> Fuel Rail Pressure Sensor >> Component Inspection
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Component Inspection

  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

      0.7 - 1.0 V

      2, 000 RPM

      0.6 - 1.0 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

    Value

    Connector

    +

    -

    Terminal

    F143

    47

    85

    Engine speed: Idle

    0.7 - 1.0 V

    2, 000 RPM

    0.6 - 1.0 V

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    Replace FRP sensor. Refer to FUEL INJECTOR AND FUEL TUBE : Exploded View .