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Home >> Infiniti >> 2024 >> QX80 Luxe, AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (2 Of 2) >> Component /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.
      GNSDB107957Courtesy 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 ∞Ω [at 25°C (77°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 .