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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 >> Camshaft Position Sensor >> Component Inspection >> VR30DDTT engine
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VR30DDTT engine

  1. CHECK CAMSHAFT POSITION SENSOR-I 
    1. Turn ignition switch OFF.
    2. Loosen the fixing bolt of the sensor.
    3. Disconnect camshaft position sensor harness connector.
    4. Remove the sensor. Refer to CAMSHAFT : Exploded View .
    5. Visually check the sensor for chipping.
      GNSDB13628Courtesy of NISSAN NORTH AMERICA, INC.

    Is the inspection result normal?

    YES

    GO TO 2.

    NO

    Replace malfunctioning camshaft position sensor. Refer to CAMSHAFT : Exploded View .

  2. CHECK CAMSHAFT POSITION SENSOR-II 

    Check resistance camshaft position sensor terminals as follows.

    Terminals (Polarity)

    Resistance (Ohm)

    1 (+) - 2 (-)

    Except 0 or INF. [at 25 Deg. C (77 Deg. F)]

    1 (+) - 3 (-)

    2 (+) - 3 (-)

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    Replace malfunctioning camshaft position sensor. Refer to CAMSHAFT : Exploded View .