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Home >> Infiniti >> 2013 >> FX50 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0137 Through P0456 >> DTC P0340, P0345: CMP 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. Refer to "EXPLODED VIEW ".
    5. Visually check the sensor for chipping.

      Is the inspection result normal? 

      YES: GO TO 2.

      NO: Replace malfunctioning camshaft position sensor. Refer to "EXPLODED VIEW ".

      Fig 1: Inspecting Camshaft Position Sensor-I
      G09001444Courtesy of NISSAN NORTH AMERICA, INC.
  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 ".