Nissan Maxima Service and Repair Manual: Rear 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 rear 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. connectors B109, B110 and suspect
speaker connector.
- Check continuity between BOSE speaker amp. harness connectors
B109 (A) and B110 (B) and suspect speaker harness connector (C).
- Check continuity between BOSE speaker amp. harness connectors B109
(A) and B110 (B) and ground.


3.REAR DOOR SPEAKER SIGNAL CHECK

- Connect BOSE speaker amp. connectors and suspect speaker connector.
- Turn ignition switch to ACC.
- Push POWER switch.
- Check the signal between BOSE speaker amp. harness connectors B109
(A) and B110 (B) 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.REAR DOOR SPEAKER SIGNAL CHECK

- Connect audio unit connector M132 and BOSE speaker amp.
connector
B109.
- Turn ignition switch to 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 center speaker
using the audio signal circuits ...
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 subwoofers using
the audio signal circuits.
D ...
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Vertical synchronizing (VP) signal circuit
Description
In composite image (AUX image, camera image), transmit the vertical
synchronizing (VP) signal and horizontal
synchronizing (HP) signal from display unit to AV control unit so as to
synchronize the RGB images displayed
with AV control unit, such as the image quality adjusting men ...
Daytime running light system
Wiring Diagram
...
DTC/circuit diagnosis
MAIN LINE BETWEEN DLC AND HVAC CIRCUIT
Diagnosis Procedure
1.CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Disconnect the following harness connectors.
ECM
A/C auto amp.
Check the continuity betw ...