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 VOICE GUIDANCE SIGNAL INPUT

Turn ignition switch ON.

Check the signal between the terminals of display control unit connector M93.

Display control unit connector M93		Condition	Continuity
(+)	(-)
Terminal	Terminal
58	38	Sound output	Courtesy of NISSAN NORTH AMERICA, INC.

Is the inspection result normal?

YES

GO TO 2.

GO TO 3.

CHECK VOICE GUIDANCE SIGNAL OUTPUT

Check the signal between the terminals of Bose speaker amp. connector B120.

Bose speaker amp. connector B120		Condition	Continuity
(+)	(-)
Terminal	Terminal
24	4	Sound output	Courtesy of NISSAN NORTH AMERICA, INC.

Is the inspection result normal?

YES

Replace Bose speaker amp. Refer to Removal and Installation .

GO TO 5.

CHECK VOICE GUIDANCE INPUT SIGNAL CIRCUIT FOR OPEN

Turn ignition switch OFF.
Disconnect display control unit connector M93 and NAVI control unit connector M140.

Check the continuity between display control unit connector M93 and NAVI control unit connector M140.

Display control unit		NAVI control unit		Continuity
Connector	Terminal	Connector	Terminal
M93	58	M140	14	Yes
	38		28

Is the inspection result normal?

YES

GO TO 4.

Repair or replace harness or connectors.

CHECK VOICE GUIDANCE INPUT SIGNAL FOR SHORT

Check the continuity between display control unit connector M93 and ground.

Display control unit		Ground	Continuity
Connector	Terminal
M93	58	--	No

Is the inspection result normal?

YES

Replace NAVI control unit. Refer to Removal and Installation .

Repair or replace harness or connectors.

CHECK VOICE GUIDANCE OUTPUT SIGNAL CIRCUIT FOR OPEN

Turn ignition switch OFF.
Disconnect Bose speaker amp. connector B120 and display control unit connector M93.

Check the continuity between Bose speaker amp. connector B120 and display control unit connector M93.

Bose speaker amp.		Display control unit		Continuity
Connector	Terminal	Connector	Terminal
B120	24	M93	57	Yes
	4		37

Is the inspection result normal?

YES

GO TO 6.

Repair or replace harness or connectors.

CHECK VOICE GUIDANCE OUTPUT SIGNAL FOR SHORT

Check the continuity between Bose speaker amp. connector B120 and ground.

Bose speaker amp.		Ground	Continuity
Connector	Terminal
B120	24	--	No

Is the inspection result normal?

YES

Replace display control unit. Refer to Removal and Installation .

Repair or replace harness or connectors.