With BOSE CENTERPOINT Audio System

WARNING: This page is about a different car, the 2019 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FUSES

Turn ignition switch OFF.

Check that the following fuses are not blown (open).

Power source	Fuse No.	Capacity
Battery	#11	15 A
Battery	#12	15 A
Ignition switch ACC	#65	10 A

Are the fuses blown (open)?

YES

Replace fuse after repairing the applicable circuit.

GO TO 2.

CHECK BOSE SPEAKER AMP. BATTERY POWER SUPPLY

Check the voltage between Bose speaker amp. harness connector and ground.

Terminals			Voltage (Approx.)
(+)		(-)
Bose speaker amp.
Connector	Terminal
B121	50	Ground	Battery voltage
	51

Is the inspection result normal?

YES

GO TO 3.

Perform trouble diagnosis for battery power supply circuit.

CHECK BOSE SPEAKER AMP. ACCESSORY POWER SUPPLY

Turn ignition switch ACC.

Check the voltage between Bose speaker amp. harness connector and ground.

Terminals			Voltage (Approx.)
(+)		(-)
Bose speaker amp.
Connector	Terminal
B120	16	Ground	Battery voltage

Is the inspection result normal?

YES

GO TO 4.

Perform trouble diagnosis for accessory power supply circuit.

CHECK BOSE SPEAKER AMP. GROUND CIRCUIT

Turn ignition switch OFF.
Disconnect Bose speaker amp. harness connector.

Check the continuity between Bose speaker amp. harness connector and ground.

Terminals			Continuity
(+)		(-)
Bose speaker amp.
Connector	Terminal
B121	47	Ground	Yes
	52

Is the inspection result normal?

YES

Inspection End.

Repair or replace malfunctioning parts.