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Home >> Nissan-Datsun >> 2021 >> Altima S >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Pr25DD) (DTC/Circuit Diagnosis) (2 Of 4) >> DTC/Circuit Diagnosis >> DTC P044D: EGR Volume Control Valve Position Sensor >> DTC Description >> PR25DD engine >> DTC Detection Logic
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DTC Detection Logic

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

P044D

00

EGR SENSOR C

(EGR sensor C circuit high)

Diagnosis condition

Ignition switch ON

Signal (terminal)

EGR volume control valve signal

Threshold

ECM detects the following status continuously for 5 seconds or more:

A voltage signal transmitted from the EGR volume control valve position sensor shows too high.

Diagnosis delay time

5 seconds or more