DTC Diagnosis Procedure

WARNING: This page is about a different car, the 2018 Nissan NV3500 HD, 2018 Nissan NV2500 HD, and 2018 Nissan NV1500. However, it is still accessible from the selected car via links, so may be relevant.

CHECK USB INTERFACE HARNESS CONTINUITY

Turn ignition switch OFF.
Disconnect AV control unit connector M63 and USB interface connector M72.

Check continuity between AV control unit connector M63 and USB interface connector M72.

AV control unit		USB interface		Continuity
Connector	Terminal	Connector	Terminal
M63	45	M72	1	Yes
	46		2
	47		3
	49		5
	50		6

Check continuity between AV control unit connector M63 and ground.

AV control unit		-	Continuity
Connector	Terminal
M63	45	Ground	No
	47

Is the inspection result normal?

YES

Replace the USB interface. Refer to Removal and Installation .

Repair or replace harness or connectors.