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Home >> Infiniti >> 2012 >> G25 Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0443 To P1084 >> DTC P1078, P1084: EVT Control Position Sensor >> Component Inspection
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Component Inspection

  1. EXHAUST VALVE TIMING CONTROL POSITION SENSOR-I
    1. Turn ignition switch OFF.
    2. Disconnect exhaust valve timing control position sensor harness connector.
    3. Loosen the fixing bolt of the sensor.
    4. Remove the sensor. Refer to "EXPLODED VIEW ".
    5. Visually check the sensor for chipping.
      Fig 1: Inspecting Exhaust Valve Timing Control Position Sensor For Chipping
      G08451634Courtesy of NISSAN NORTH AMERICA, INC.

      Is the inspection result normal? 

      YES: GO TO 2.

      NO: Replace malfunctioning exhaust valve timing control position sensor. Refer to "EXPLODED VIEW ".

  2. EXHAUST VALVE TIMING CONTROL POSITION SENSOR-II

    Check resistance exhaust valve timing control position sensor terminals as shown below.

    Terminals 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 exhaust valve timing control position sensor. Refer to "EXPLODED VIEW ".