DTC Diagnosis Procedure

WARNING: This page is about a different car, the 2019 Nissan NV3500 HD, 2019 Nissan NV2500 HD, and 2019 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 front auxiliary input jacks connector M72.

Check continuity between AV control unit connector M63 and front auxiliary input jacks connector M72.

AV control unit		Front auxiliary input jacks		Continuity
Connector	Terminal	Connector	Terminal
M63	45	M72	5	Yes
	46		7
	47		9
	49		8
	50		10

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 front auxiliary input jacks. Refer to Removal and Installation .

Repair or replace harness or connectors.