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 HARNESS CONTINUITY (OPEN CIRCUIT)
- Turn the ignition switch OFF.
- Disconnect the battery cable from the negative terminal.
- Disconnect the following harness connectors.
- ECM
- AV control unit
- A/C auto amp.
- Check the continuity between the AV control unit harness connector and the A/C auto amp. harness connector.
- Models with BOSE audio system or without driver assistance system
AV control unit harness connector
A/C auto amp harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
M163
26
M37
1
Existed
25
21
Existed
- Models without BOSE audio system
AV control unit harness connector
A/C auto amp harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
M161
26
M37
1
Existed
25
21
Existed
- Models with BOSE audio system or without driver assistance system
Is the inspection result normal?
YES
Check CAN system type decision again.
YES
Error was detected in the main line between the AV control unit and the A/C auto amp.
NO
Repair the main line between the AV control unit and the A/C auto amp.