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 ...
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Gasket
Thermostat assembly (water inlet)
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...
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...
Head restraints/headrests
WARNING
Head restraints/headrests supplement
the other vehicle safety systems. They may
provide additional protection against injury
in certain rear end collisions. Adjustable
head restraints/headrests must be
adjusted properly, as specified in this section.
Check the adjustment after someo ...