Diagnosis Procedure

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

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

CHECK CONTINUITY BETWEEN AV CONTROL UNIT AND AUDIO AMP.

Turn ignition switch OFF.
Disconnect AV control unit connector M96 and audio amplifier connector B158.

Check continuity between AV control unit connector M96 and audio amp. connector B158.

AV control unit		Audio amplifier		Continuity
Connector	Terminal	Connector	Terminal	Continuity
M96	1	B158	9	Yes

Check continuity between AV control unit connector M96 and ground.

AV control unit		Ground	Continuity
Connector	Terminal	Ground	Continuity
M96	1	-	No

Is the inspection result normal?

YES: GO TO 2.

NO: Repair or replace harness or connectors.

CHECK AV CONTROL UNIT VOLTAGE

Connect AV control unit connector M96.
Turn ignition switch ON.

Check voltage between AV control unit connector M96 and ground.

AV control unit		Ground	Voltage (Approx.)
Connector	Terminal	Ground	Voltage (Approx.)
M96	1	-	Battery voltage

Is the inspection result normal?

YES: Replace audio amplifier. Refer to "REMOVAL AND INSTALLATION ".

NO: Replace AV control unit. Refer to "REMOVAL AND INSTALLATION ".