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Home >> Infiniti >> 2021 >> QX50 Essential, 4WD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Collision/Avoidance >> ADAS Control Unit (DTC/Circuit Diagnosis) (2 Of 2) >> DTC U1000: Can Comm Circuit >> ADAS Control Unit 2 >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

DTC

CONSULT screen terms

DTC detection condition

(Trouble diagnosis content)

[Malfunction type]

U1000

01

CAN COMM CIRCUIT

(CAN communication circuit)

[ELECTRICAL MALFUNCTION]

Diagnosis condition

  • When engine is running
  • When LDP system is ON

Signal (terminal)

CAN communication signal, ITS communication signal or chassis communication signal

Threshold

If ADAS control unit 2 is not transmitting or receiving CAN communication signal, ITS communication or chassis communication signal

Diagnosis delay time

2 seconds or more

NOTE: If "U1000-01" is detected, first diagnose the CAN communication system.