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Home >> Infiniti >> 2023 >> Q50 Sensory, AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (Diagnostics) (2 Of 4) >> Component/Circuit Diagnosis >> Intake Air Temperature Sensor 2 >> Component Inspection >> VR30DDTT engine
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VR30DDTT engine

  1. CHECK INTAKE AIR TEMPERATURE SENSOR 2 
    1. Turn ignition switch OFF.
    2. Disconnect turbocharger boost sensor harness connector.
    3. Check resistance between turbocharger boost sensor terminals as follows.

      Turbocharger boost sensor

      Condition

      Resistance (kOhm)

      +

      -

      Terminal

      3

      4

      Temperature [ Deg. C (Deg. F)]

      25 (77)

      1.80 - 2.20

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    Replace turbocharger boost sensor (with intake air temperature sensor 2). Refer to CHARGE AIR COOLER : Exploded View .