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Home >> Nissan-Datsun >> 2017 >> Sentra SR Turbo, Standard Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (1.6L) (2 Of 4) >> DTC/Circuit Diagnosis >> DTC P044C, P044D: EGR Volume Control Valve 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
P044C EGR SENSOR C
(EGR sensor C circuit low)		 ECM detects the following status continuously for 5 seconds or more:
A voltage signal transmitted from the EGR volume control valve position sensor is 0.32 V or less.
  • Harness or connectors

    (EGR volume control valve position sensor circuit is open or shorted.)

  • EGR volume control valve
P044D EGR SENSOR C
(EGR sensor C circuit high)		 ECM detects the following status continuously for 5 seconds or more:
A voltage signal transmitted from the EGR volume control valve position sensor is 4.67 V or more.
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