Diagnosis Procedure
WARNING: This page is about a different car, the 2018 Nissan Maxima. 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 AV control unit connector M163 and BOSE speaker amp. connector B149.
- Check the continuity between AV control unit connector M163 and BOSE speaker amp. connector B149.
AV control unit
BOSE speaker amp.
Continuity
Connector
Terminal
Connector
Terminal
M163
21
B149
52
Yes
22
72
23
51
24
71
Is the inspection result normal?
YES
Replace BOSE speaker amp. Refer to Removal and Installation .
NO
Repair or replace harness or connectors.