Diagnosis Procedure

WARNING: This page is about a different car, the 2009 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

CHECK AMP ON SIGNAL (BOSE SPEAKER AMP)

Turn audio system ON.
Check voltage between BOSE speaker amp. harness connector B109 terminal 20 and ground.

CONNECTOR TERMINAL VOLTAGE CHART

(+)		(-)	Voltage (Approx.)
Connector	Terminal	(-)	Voltage (Approx.)
B109	20	Ground	Battery voltage

Fig 1: Checking Voltage Between Bose Speaker Amp Harness Connector B109 Terminal 20 And Ground

Courtesy of NISSAN MOTOR CO., U.S.A.

Is inspection result normal?

YES: Inspection End.

NO: GO TO 2.

CHECK AMP ON SIGNAL (AUDIO UNIT)

Check voltage between audio unit harness connector M132 terminal 1 and ground.

CONNECTOR TERMINAL VOLTAGE CHART

(+)		(-)	Voltage (Approx.)
Connector	Terminal	(-)	Voltage (Approx.)
M132	1	Ground	Battery voltage

Fig 2: Checking Voltage Between Audio Unit Harness Connector M132 Terminal 1 And Ground

Courtesy of NISSAN MOTOR CO., U.S.A.

Is inspection result normal?

YES: Repair harness or connector.

NO: Replace audio unit. Refer to "REMOVAL AND INSTALLATION ".