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Home >> Infiniti >> 2012 >> G37 Base, 2D Convertible >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0133 Through P0453 (Convertible) >> DTC P0340, P0345: CMP Sensor (Phase) >> Component Inspection
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Component Inspection

  1. CHECK CAMSHAFT POSITION SENSOR (PHASE)-I
    1. Turn ignition switch OFF.
    2. Loosen the fixing bolt of the sensor.
    3. Disconnect camshaft position sensor (PHASE) harness connector.
    4. Remove the sensor.
    5. Visually check the sensor for chipping.
      Fig 1: Inspecting Camshaft Position Sensor
      G08443804Courtesy of NISSAN NORTH AMERICA, INC.

      Is the inspection result normal? 

      YES: GO TO 2.

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

  2. CHECK CAMSHAFT POSITION SENSOR (PHASE)-II

    Check resistance camshaft position sensor (PHASE) terminals as follows.

    Terminals (Polarity) Resistance (Ω)
    1 (+) - 2 (-) Except 0 or ∞ [at 25°C (77°F)]
    1 (+) - 3 (-)
    2 (+) - 3 (-)

    Is the inspection result normal? 

    YES: INSPECTION END

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