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Home >> Nissan-Datsun >> 2021 >> Sentra S >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (2 Of 4) >> DTC/Circuit Diagnosis >> DTC P0404: EGR Volume Control Valve >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

P0404

EGR A CONTROL

(EGR "A" Control Circuit Range/Performance)

A

Diagnosis condition

--

Signal (terminal)

EGR volume control valve

Threshold

ECM detects that the current sent to the EGR volume control valve motor is equal to or more than the threshold value under the condition that the target angle of EGR volume control valve is constant.

Diagnosis delay time

--

B

Diagnosis condition

--

Signal (terminal)

EGR volume control valve

Threshold

ECM detects that the difference between the target angle of EGR volume control valve and actual valve angle is equal to or more than the threshold value.

Diagnosis delay time

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