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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 U0121: VDC Can 2 >> ADAS Control Unit >> Without Direct Adaptive Steering System >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

DTC No.

CONSULT screen items

(Trouble diagnosis content)

DTC detection condition

U0121

83

VDC CAN CIR2

(VDC CAN circuit2)

Diagnosis condition

  • When engine is running
  • When MAIN switch of ProPILOT system is ON

Signal (terminal)

CAN communication signal

Threshold

If ADAS control unit detects an error signal that is received from ABS actuator and electric unit (control unit) via CAN communication

Diagnosis delay time

1 second or less