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: Air bags, seat belts and child restraints
Top tether strap anchor
Rear seat belts with pretensioner(s) for
outboard seating
Roof-mounted curtain side-impact and
rollover supplemental air bag
Front seat-mounted side-impact
supplemental air bag
Head restraints/headrests
Front seat belt with pretensioner(s) and
shoulder height adju ...
Operating range
The Intelligent Key functions can only be
used when the Intelligent Key is within the
specified operating range from the request
switch (if so equipped) 1.
When the Intelligent Key battery is discharged
or strong radio waves are present
near the operating location, the Intelligent
Key system’s op ...
Traffic Sign Recognition (TSR) (if so equipped)
The TSR system provides the driver with
information about the most recently detected
speed limit. The system captures
the road sign information with the multi-sensing
front camera unit A located on
the windshield in front of the inside rearview
mirror and displays the detected
signs in the vehicle ...
Power supply and ground circuit
(sedan)
Bose speaker AMP