Nissan Maxima Service and Repair Manual: Front door speaker
Description
The audio unit sends audio signals to the BOSE speaker amp. The BOSE speaker
amp. amplifies the audio signals before sending them to the front door
speakers using the audio signal circuits.
Diagnosis Procedure
1.CONNECTOR CHECK
Check the audio 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 suspect speaker
connector.
- Check continuity between BOSE speaker amp. harness connector
B109 (A) and suspect speaker harness connector (B).
- Check continuity between BOSE speaker amp. harness connector B109 (A)
and ground.


3.FRONT DOOR SPEAKER SIGNAL CHECK

- Connect BOSE speaker amp. connector B109 and suspect 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 audio unit connector M132 and BOSE speaker amp.
connector B109.
- Check continuity between audio unit harness connector M132 (A)
and BOSE speaker amp. harness connector B109 (B).
- Check continuity between audio unit harness connector M132 (A) and
ground.


5.FRONT DOOR SPEAKER SIGNAL CHECK

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

AUDIO UNIT
AUDIO UNIT : Diagnosis Procedure
1.CHECK FUSES
2.POWER SUPPLY CIRCUIT CHECK
Disconnect audio unit connector M132.
Check voltage between the audio unit connector M132 and grou ...
Description
The audio 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 circuits.
Dia ...
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Bose speaker amp
Reference Value
TERMINAL LAYOUT
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...
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