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Home >> Infiniti >> 2017 >> Q60 Base, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Driver Assistance System (ADAS Control Unit) (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> DTC C1B56: Sonar Circuit >> ADAS Control Unit >> DTC Description >> DTC Detection Logic

DTC Detection Logic

DTC No.
(On Board Display)
CONSULT Screen Items
(Trouble Diagnosis Content)
DTC Detection Condition
C1B56
(86)
SONAR MALF
(Sonar circuit)
Diagnosis condition When engine is running
Signal (terminal) -
Threshold ADAS Control Unit detects that rear sonar Control Unit circuit has a malfunction.
Diagnosis delay time 2 seconds or more