SUBWOOFER: 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 FUSE

Check that the subwoofer fuse is not blown.

Unit	Terminal	Signal name	Fuse No.
Subwoofer	6	Battery power	17

Is the fuse OK?

YES: GO TO 2.

NO: Be sure to eliminate cause of malfunction before installing new fuse.

CHECK POWER SUPPLY CIRCUIT

Turn ignition switch OFF.
Disconnect subwoofer connector.

Check voltage between subwoofer harness connector B72 terminal 6 and ground.

(+)		(-)	Voltage (approx.)
Connector	Terminal	(-)	Voltage (approx.)
B72	6	Ground	Battery voltage

Fig 1: Checking Voltage Between Subwoofer Harness Connector B72 Terminal 6 & Ground

Courtesy of NISSAN NORTH AMERICA, INC.

Is battery voltage present?

YES: GO TO 3.

NO: Check harness between subwoofer and fuse.

CHECK GROUND CIRCUIT

Turn ignition switch OFF.

Check continuity between subwoofer harness connector B72 terminal 5 and ground.

(+)		(-)	Continuity
Connector	Terminal	(-)	Continuity
B72	5	Ground	Yes

Fig 2: Checking Continuity Between Subwoofer Harness Connector B72 Terminal 5 & Ground

Courtesy of NISSAN NORTH AMERICA, INC.

Does continuity exist?

YES: Inspection End.

NO: Repair harness or connector.