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Home >> Infiniti >> 2019 >> QX50 Essential, FWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> ADAS Control Unit (DTC/Circuit Diagnosis) (2 Of 2) >> DTC/Circuit Diagnosis >> DTC U1520: 4WD Can 3 >> ADAS Control Unit >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

DTC

(On board display)

CONSULT screen terms

DTC detection condition

(Trouble diagnosis content)

[Malfunction type]

U1520

(176)

00

4WD CAN CIRC 3

()

--

Diagnosis condition

When engine is running

Signal (terminal)

CAN communication signal

Threshold

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

Diagnosis delay time

1 second or less

NOTE: If DTC "U1520-00" is detected along with DTC "U1000-01", first diagnose the DTC "U1000-01". Refer to DTC Logic .