Nissan Maxima Service and Repair Manual: Center speaker
Description
The AV control unit sends audio signals to the BOSE speaker amp. The BOSE
speaker amp. amplifies the
audio signals before sending them to the center speaker using the audio signal
circuits.
Diagnosis Procedure
1.CONNECTOR CHECK
Check the AV control unit, BOSE speaker amp. and speaker connectors for the
following:
- Proper connection
- Damage
- Disconnected or loose terminals
2.HARNESS CHECK

- Disconnect BOSE speaker amp. connector B109 and center
speaker connector M130.
- Check continuity between BOSE speaker amp. harness connector
B109 (A) and center speaker harness connector M130 (B).
- Check continuity between BOSE speaker amp. harness connector
B109 (A) and ground.


3.CENTER SPEAKER SIGNAL CHECK

- Connect BOSE speaker amp. connector B109 and center
speaker connector.
- Turn ignition switch to ACC.
- Push POWER switch.
- Check the signal between BOSE speaker amp. harness connector
B109 terminals with CONSULT or oscilloscope.

4.HARNESS CHECK

- Disconnect AV control unit connector M160 and BOSE speaker
amp. connector B109.
- Check continuity between AV control unit harness connector
M160 (A) and BOSE speaker amp. harness connector B109 (B).
- Check continuity between AV control unit harness connector
M160 (A) and ground.


5.CENTER SPEAKER SIGNAL CHECK

- Connect AV control unit connector and BOSE speaker amp.
connector.
- Turn ignition switch ACC.
- Push POWER switch.
- Check the signal between AV control unit harness connector
terminals
with CONSULT or oscilloscope.

Description
The AV control unit sends audio signals to the BOSE speaker amp. The BOSE
speaker amp. amplifies the
audio signals before sending them to the tweeters using the audio signal
circuit ...
Description
The AV control unit sends audio signals to the BOSE speaker amp. The BOSE
speaker amp. amplifies the
audio signals before sending them to the rear door speakers using the audio
sign ...
Other materials:
U121D AV control unit
DTC Logic
Diagnosis Procedure
1.CHECK PLAYBACK OF A DISK (CD)
U121E AV CONTROL UNIT
DTC Logic
Diagnosis Procedure
1.CHECK PLAYBACK OF A DISK (CD)
U1225 AV CONTROL UNIT
DTC Logic
DTC DETECTION LOGIC
...
Door switch
Exploded View
Door switch
Removal and Installation
REMOVAL
Remove the door switch screw (A).
Disconnect the harness connector from the door switch (1) and
remove
INSTALLATION
Installation is in the reverse order of removal. ...
Vehicle security system
Wiring Diagram
...