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 AV CONTROL UNIT POWER SUPPLY AND GROUND CIRCUIT
Check AV control unit 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-1
- Turn ignition switch OFF.
- Disconnect Bose speaker amp. connector B120 and display control unit connector M92.
- 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
GO TO 3.
NO
Repair or replace malfunctioning parts.
- CHECK AV COMMUNICATION CIRCUIT-2
- Turn ignition switch OFF.
- Disconnect AV control unit connector M164 and Bose speaker amp. connector B120.
- Check the continuity between Bose speaker amp. connector B120 and AV control unit connector M164.
Bose speaker amp.
AV control unit
Continuity
Connector
Terminal
Connector
Terminal
B120
15
M164
67
Yes
35
87
Is the inspection result normal?
YES
Replace AV control unit. Refer to Removal and Installation .
NO
Repair or replace malfunctioning parts.