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Home >> Nissan-Datsun >> 2016 >> Sentra SR >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (2 Of 3) >> DTC/Circuit Diagnosis >> DTC P1078: EVT Control Position Sensor >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

DTC No. CONSULT screen terms
(Trouble diagnosis content)		 DTC detecting condition Possible cause
P1078 EXH TIM SEN/CIRC-B1
(Exhaust valve timing control position sensor circuit bank 1)		 An excessively high or low voltage from the sensor is sent to ECM.
  • Harness or connectors

    (Exhaust valve timing control position sensor circuit is open or shorted)

  • Accumulation of debris to the signal pick-up portion of the camshaft
  • Exhaust valve timing control position sensor
  • Sensor power supply 2 circuit
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