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Home >> Infiniti >> 2021 >> QX50 Essential, 4WD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> ADAS Control Unit (DTC/Circuit Diagnosis) (2 Of 2) >> DTC U1522: Sonar Can 1 >> ADAS Control Unit >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

DTC No.

CONSULT screen items

(Trouble diagnosis content)

DTC detection condition

U1522

82

SONAR CAN COMMUNICATION 1

(Sonar CAN communication 1)

Diagnosis condition

  • When engine is running
  • When FEB system is ON

Signal (terminal)

CAN communication signal

Threshold

ADAS control unit detects an error signal that is received from sonar control unit via CAN communication

Diagnosis delay time

1 second or less