Nissan Altima (L32) 2007-2012 Service Manual: 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 cause of malfunction before
installing new fuse.
2.POWER SUPPLY CIRCUIT CHECK
1. Disconnect audio unit connector M43.
2. Check voltage between the audio unit connector M43 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 audio unit case ground.
Does case ground pass inspection?
YES >> Inspection End.
NO >> Repair audio unit case ground.
Diagnosis Procedure
1.CHECK FUSE
Check for blown fuses.
Are the fuses OK?
YES >> GO TO 2
NO >> Be sure to eliminate cause of malfunction before installing new fuse.
2.CHECK POWER ...
Other materials: Head restraints/headrests
WARNING
Head restraints/headrests supplement
the other vehicle safety systems. They
may provide additional protection
against injury in certain rear end collisions.
Adjustable head restraints/
headrests must be adjusted properly,
as specified in this section. Check the
adjustment after someone else ...
Tire Pressure Monitoring System
(TPMS)
This vehicle is equipped with the Tire Pressure
Monitoring system (TPMS). It monitors
tire pressure of all tires except the spare.
When the low tire pressure warning light is lit,
and the "Tire Pressure Low - Add Air" warning
appears in the vehicle information display,
one or more of your tires is ...
Vehicle information display - 5 inch (13 cm) Type A (if so equipped)
The vehicle information display is located
to the left of the speedometer. It displays
such items as:
Vehicle settings
Indicators and warnings
Information/warning messages
Tire pressure information
Drive computer information
Cruise control system information
Driving Aids (if so equipped)
N ...
Power supply and ground circuit
(sedan)
Bose speaker AMP