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Home >> Infiniti >> 2024 >> Q50 Luxe, AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (2 Of 2) >> Component Parts/Circuit Diagnosis >> Turbocharger Speed Sensor >> Component Inspection
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Component Inspection

  1. CHECK TURBOCHARGER SPEED SENSOR-1 
    1. Turn ignition switch OFF.
    2. Disconnect turbocharger speed sensor harness connector.
    3. Remove turbocharger speed sensor. Refer to TURBOCHARGER : Exploded View .
    4. Visually check the sensor for chipping.

    Is the inspection result normal?

    YES>>

    GO TO 2.

    NO>>

    Replace turbocharger speed sensor. Refer to TURBOCHARGER : Exploded View .

  2. CHECK TURBOCHARGER SPEED SENSOR-2 

    Check resistance between sensor terminals as follows.

    Terminals (Polarity) Resistance (Ω)
    1 - 2 Except 0 or ∞ [at 25°C (77°F)]
    1 - 3
    2 - 3

    Is the inspection result normal?

    YES>>

    INSPECTION END

    NO>>

    Replace turbocharger speed sensor. Refer to TURBOCHARGER : Exploded View .