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Home >> Infiniti >> 2017 >> QX80 Base, RWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Warning Systems >> Driver Assistance System (ADAS Control Unit) (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> DTC U0401: ECM Can 1 >> ADAS Control Unit >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

DTC No.
(On board display)
CONSULT screen items
(Trouble diagnosis content)
DTC detection condition
U0401
(120)
ECM CAN CIR1
(ECM CAN circuit1)
Diagnosis condition
  • When engine is running
  • When MAIN switch of ICC system is ON
Signal (terminal) CAN communication signal
Threshold If ADAS control unit detects an error signal that is received from ECM via CAN communication
Diagnosis delay time 1 second or less