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Home >> Nissan-Datsun >> 2019 >> Maxima SL >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (1 Of 5) >> DTC/Circuit Diagnosis >> DTC U1000: Can Comm Circuit >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

When ECM is not transmitting or receiving CAN communication signal of OBD (emission related diagnosis) for 2 seconds or more.

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

U1000

CAN COMM CIRCUIT

(CAN COMM CIRCUIT)

Diagnosis condition

Ignition switch ON

Signal (terminal)

CAN communication signal

Threshold

ECM is not transmitting or receiving CAN communication signal of OBD (emission related diagnosis)

Diagnosis delay time

2 seconds or more