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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 >> Crankshaft Position Sensor >> Component Inspection
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Component Inspection

  1. CHECK CRANKSHAFT POSITION SENSOR-I 
    1. Turn ignition switch OFF.
    2. Loosen the fixing bolt of the sensor.
    3. Disconnect crankshaft position sensor harness connector.
    4. Remove the sensor.
    5. Visually check the sensor for chipping.
      GNSDB107167Courtesy of NISSAN NORTH AMERICA, INC.

    Is the inspection result normal?

    YES>>

    GO TO 2.

    NO>>

    Replace crankshaft position sensor. Refer to DRIVE PLATE : Exploded View .

  2. CHECK CRANKSHAFT POSITION SENSOR-II 

    Check resistance between crankshaft 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 crankshaft position sensor. Refer to DRIVE PLATE : Exploded View .