Nissan Altima (L32) 2007-2012 Service Manual: Satellite radio tuner
Diagnosis Procedure
1.CHECK FUSES
Check that the following fuses are not blown.
Are the fuses OK?
YES >> GO TO 2
NO >> If fuse is blown, be sure to eliminate cause of malfunction before
installing new fuse.
2.POWER SUPPLY CIRCUIT CHECK
1. Turn ignition switch OFF.
2. Disconnect satellite radio tuner (factory installed) connector B123.
3. Check voltage between the satellite radio tuner (factory installed) and
ground.
Are the voltage results as specified?
YES >> GO TO 3
NO >> • Check connector housings for disconnected or loose
terminals.
• Repair harness or connector.
3.GROUND CIRCUIT CHECK
Inspect satellite radio tuner (factory installed) case ground.
Does case ground pass inspection?
YES >> Inspection End.
NO >> Repair satellite radio tuner (factory installed) case ground.
AUDIO UNIT
Diagnosis Procedure
1.CHECK FUSES
Check that the following fuses are not blown.
Are the fuses OK?
YES >> GO TO 2
NO >> If fuse is blown, be sure to eliminate cau ...
Description
The audio unit sends audio signals to the door speakers using the door
speaker circuits.
Diagnosis Procedure
1.HARNESS CHECK
1. Disconnect audio unit connector M43 (A) and suspect s ...
Other materials: Active noise cancellation/Active sound
enhancement (if so equipped)
Active noise cancellation
Front Microphone
This system uses microphones 1 located
inside the vehicle to detect engine booming
noise. The system then automatically generates
a noise cancelling sound through the
speakers and woofer (if so equipped) to reduce
engine booming noise.
NOTE:
To operate the ...
Corrosion protection
Most common factors contributing to
vehicle corrosion
Most vehicle corrosion is caused by:
The accumulation of moisture-retaining
dirt and debris in body panel sections,
cavities, and other areas.
Damage to paint and other protective
coatings caused by gravel and stone
chips or minor traffic ...
All-Wheel Drive (AWD) (if so equipped)
If any malfunction occurs in the AWD system
while the engine is running, messages
are displayed in the meter.
If the AWD error warning message is displayed,
there may be a malfunction in the
AWD system. Reduce vehicle speed and
have your vehicle checked. It is recommended
that you visit a NISSAN de ...