Diagnosis Procedure

WARNING: This page is about a different car, the 2013 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.

Regarding Wiring Diagram information, refer to "WIRING DIAGRAM ".

CHECK USB INTERFACE HARNESS CONTINUITY

Turn ignition switch OFF.
Disconnect AV control unit connector M48 and USB interface connector M214.

Check continuity between AV control unit connector M48 and USB interface connector M214.

AV control unit		USB interface		Continuity
Connector	Terminal	Connector	Terminal	Continuity
M48	121	M214	4	Yes
	122		1
	123		2
	124		3
	125		5

Check continuity between AV control unit connector M48 and ground.

AV control unit		-	Continuity
Connector	Terminal	-	Continuity
M48	121	Ground	No
M48	123	Ground	No

Is the inspection result normal?

YES: Replace the USB interface. Refer to "REMOVAL AND INSTALLATION ".

NO: Repair or replace harness or connectors.