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Home >> Infiniti >> 2017 >> QX60 Base, FWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Driver Assistance System (ADAS Control Unit) (DTC/Circuit Diagnosis) (Except Hybrid) >> DTC/Circuit Diagnosis >> DTC U1521: Sonar Can 2 >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

DTC
(On board display)		 Trouble diagnosis name DTC detecting condition
U1521
(177)		 SONAR CAN COMMUNICATION 2
(Sonar CAN communication 2)		 ADAS control unit detects an error signal that is received from sonar control unit via ITS communication
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