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Home >> Nissan-Datsun >> 2014 >> Maxima S >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0643 To P2138 >> 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.
    5. Visually check the sensor for chipping.
      Fig 1: Checking Exhaust Valve Timing Control Position Sensor-I
      G04886870Courtesy 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 ".