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Home >> Infiniti >> 2017 >> QX80 Base, RWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (DTCS) (2 Of 4) >> DTC/Circuit Diagnosis >> DTC P0340, P0345: CMP Sensor >> Component Inspection (Camshaft Position Sensor) >> Diagnostic Test
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Diagnostic Test

  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.
      G04886800Courtesy of NISSAN NORTH AMERICA, INC.

    Is the inspection result normal?

    YES 

    GO TO STEP 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 EXPLODED VIEW WITH TORQUE SPECIFICATIONS .

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