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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 >> 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.
      GNSDB12718Courtesy of NISSAN NORTH AMERICA, INC.

    Is the inspection result normal?

    YES

    GO TO 2.

    NO

    Replace crankshaft position sensor. Refer to OIL PAN (UPPER) : 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 INF.Ohm [at 25 deg.C (77 deg.F)]

    1 (+) - 3 (-)

    2 (+) - 3 (-)

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    Replace crankshaft position sensor. Refer to OIL PAN (UPPER) : Exploded View .

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