Nissan Maxima Service and Repair Manual: Rear door 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 rear door speakers 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. 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 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.REAR DOOR SPEAKER SIGNAL CHECK

- Connect AV control unit connector M160 and BOSE speaker
amp. connector B109.
- Turn ignition switch to 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 center speaker using the audio signal
c ...
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 subwoofers using the audio signal
circu ...
Other materials:
Front fog lamp
Exploded View
Front bumper fascia
Front fog lamp
Front fog lamp bracket
Clip
Spring nuts
Removal and Installation
FRONT FOG LAMP
Removal
Remove the front bumper fascia. Refer to EXT-16, "Removal and
Installation".
Disconnect the harness connector from the fog lamp.
R ...
U122A AV control unit
DTC Logic
Diagnosis Procedure
1.PERFORM THE SELF-DIAGNOSIS
When U122A is detected, write configuration data with "MULTI AV" of CONSULT.
U122E AV CONTROL UNIT
DTC Logic
DTC DETECTION LOGIC
...
Break-in schedule
CAUTION
During the first 1,200 miles (2,000 km),
follow these recommendations to obtain
maximum engine performance and ensure
the future reliability and economy of your
new vehicle. Failure to follow these recommendations
may result in shortened
engine life and reduced engine
performance.
...