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Home >> Infiniti >> 2019 >> QX50 Essential, FWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (1 Of 12) >> DTC/Circuit Diagnosis >> DTC U1044: Eng Comm Circuit >> DTC Description >> DTC Detection Logic

DTC Detection Logic

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

U1044

00

ENG COMM CIRCUIT

(Engine communication circuit)

Diagnosis condition

Ignition switch ON

Signal (terminal)

Signal voltage of LIN communication

Threshold

Signal voltage between ECM and generator is excessively low or excessively high

Diagnosis delay time

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