Nissan Altima (L32) 2007-2012 Service Manual: Power supply and ground circuit (sedan)
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 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 malfunct ...
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 be ...
Other materials: Instrument panel
Vents
Steering wheel switches for audio control*
Vehicle information display controls
Headlight/turn signal switch
Paddle shifters (if so equipped)
Driver supplemental air bag
Horn
Meters and gauges
Warning and indicator lights
Vehicle information display
Wiper and washer switch
Heat ...
Front manual seat adjustment
(if so equipped)
Your vehicle seats can be adjusted manually.
For additional information about adjusting
the seats, refer to the steps outlined
in this section.
WARNING
Before driving the vehicle, return the
seatback to an upright seating position
after manually releasing it. Also, make
sure the seat is locked in p ...
Vehicle information display warnings
and indicators
The following messages may appear in
your vehicle information display.
Place the key near the start
switch
This indicator appears when the battery of
the Intelligent Key is low and when the Intelligent
Key system and the vehicle are not
communicating normally.
If this appears, touch the ignition s ...