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Home >> Nissan-Datsun >> 2021 >> Frontier PRO-4X >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (1 Of 6) >> DTC/Circuit Diagnosis >> DTC U1044: Eng Comm Circuit >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

A signal voltage of LIN communication between ECM and generator is excessively low or excessively high.

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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