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Home >> Infiniti >> 2023 >> QX80 Premium Select, AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (Diagnostics) (1 Of 2) >> Component Parts /Circuit Diagnosis >> Camshaft Position Sensor >> Component Inspection
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Component Inspection

  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.
    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.

  2. CHECK CAMSHAFT POSITION SENSOR-II 

    Check resistance camshaft position sensor terminals as per the following.

    Terminals (Polarity)

    Resistance

    1 (+) - 2 (-)

    Except 0 or INF.Ohm [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 TIMING CHAIN : Exploded View .

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