Diagnosis Procedure

WARNING: This page is about a different car, the 2020 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

CHECK BOSE SPEAKER AMP. POWER SUPPLY AND GROUND CIRCUIT
Check Bose speaker amp. power supply and ground circuit. Refer to Diagnosis Procedure .

Is the inspection result normal?

YES

GO TO 2.

NO

Repair or replace malfunctioning parts.

CHECK AV COMMUNICATION CIRCUIT

Turn ignition switch OFF.
Disconnect display control unit connector M92 and Bose speaker amp. connector B120.

Check the continuity between display control unit connector M92 and Bose speaker amp. connector B120.

Display control unit		Bose speaker amp.		Continuity
Connector	Terminal	Connector	Terminal
M92	6	B120	14	Yes
	18		34

Is the inspection result normal?

YES

Replace Bose speaker amp. Refer to Removal and Installation .

Repair or replace malfunctioning parts.