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Home >> Nissan-Datsun >> 2015 >> Sentra FE+S >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostic Trouble Codes (DTCS) P0172-P1550) >> DTC/Circuit Diagnosis >> DTC P1078: EVT Control Position Sensor >> Component Inspection (EVT Control Position Sensor) >> Diagnostic Test
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Diagnostic Test

  1. EXHAUST VALVE TIMING (EVT) CONTROL POSITION SENSOR-1

    1. Turn ignition switch OFF.
    2. Disconnect EVT control position sensor harness connector.
    3. Loosen the fixing bolt of the sensor.
    4. Remove EVT control position sensor.
    5. Visually check the sensor for chipping.
      Fig 1: Identifying Camshaft Position Sensor (Phase)
      G04886800Courtesy of NISSAN NORTH AMERICA, INC.

    Is the inspection result normal?

    YES 

    GO TO STEP 2  .

    NO 

    Replace EVT control position sensor. Refer to EXPLODED VIEW .

  2. EVT CONTROL POSITION SENSOR-2

    Check resistance EVT control position sensor terminals as shown below.

    EVT control position sensor Condition Resistance
    + -
    Terminal
    1 2 Temperature °C (°F) 25 (77) Except 0 or ∞Ω
    3
    2 3

    Is the inspection result normal?

    YES 

    INSPECTION END

    NO 

    Replace EVT control position sensor. Refer to EXPLODED VIEW .