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: 2.0L 4 cylinder (KR20DDET engine
model)
The following shows the maintenance
schedule.
Choose the maintenance schedule
needed based on your vehicle driving
conditions.
After 90,000 miles (144,000 km)/144
months, continue maintenance at the
same mileage/time interval.
NOTE:
For information regarding coolant or
spark plug replacement, see ...
Fuel recommendation
Use unleaded regular gasoline with an octane
rating of at least 87 AKI (Anti-Knock
Index) number (Research octane number
91).
CAUTION
Only vehicles with the E-85 filler door
label can operate on E-85. Fuel system
or other damage can occur if
E-85 is used in vehicles that are not
designed to ru ...
Intelligent Cruise Control (ICC)
(for vehicles with ProPILOT Assist)
WARNING
Failure to follow the warnings and instructions
for proper use of the ICC system
could result in serious injury or
death.
The ICC system is only an aid to assist
the driver and is not a collision
warning or avoidance device. It is recommended for
highway use only and
it is not intended ...
Power supply and ground circuit
(sedan)
Bose speaker AMP