Nissan Maxima Service and Repair Manual: Center 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 center speaker
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 terminal
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 CECK

- 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 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.CENTER 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.

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 ...
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 rear door
speakers using the audio signal circ ...
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Work Flow
OVERALL SEQUENCE
1.GET INFORMATION FOR SYMPTOM
Get detailed information from the customer about the symptom (the condition
and the environment when the incident/malfunction occurred).
2.CONFIRM THE SYMPTOM
Try to confirm the symptom described by the ...
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