Nissan Altima (L32) 2007-2012 Service Manual: Tweeter (sedan)
Description
The audio unit sends audio signals to the tweeters using the door speaker
circuits.
Diagnosis Procedure
1.HARNESS CHECK
1. Disconnect audio unit connector M43 (A) and suspect tweeter
connector (B).
2. Check continuity between audio unit harness connector M43 (A)
and suspect tweeter harness connector (B).
3. Check continuity between audio unit harness connector M43 (A)
and ground.
Are the continuity results as specified?
YES >> GO TO 2
NO >> • Check connector housings for disconnected or loose terminals.
• Repair harness or connector.
2.TWEETER SIGNAL CHECK
1. Connect audio unit connector and tweeter connector.
2. Turn ignition switch to ACC.
3. Push “POWER” switch.
4. Check the signal between audio unit harness connector terminals
with CONSULT-III or oscilloscope.
Is the audio signal voltage as specified?
YES >> Replace tweeter. Refer to AV-73, "Removal and Installation".
NO >> Replace audio unit. Refer to AV-72, "Removal and
Installation".
Description
The audio unit sends audio signals to the front tweeters using the door
speaker circuits.
Diagnosis Procedure
1.HARNESS CHECK
1. Disconnect audio unit connector M43 (A) and suspect ...
Description
The audio unit sends audio signals to the rear speakers using the rear
speaker circuits.
Diagnosis Procedure
1.HARNESS CHECK
1. Disconnect audio unit connector M43 (A) and suspect s ...
Other materials: Warning lights, indicator lights and audible
reminders
Warning/Indicator light (red)
Brake warning light
Charge warning light
Electronic parking brake
indicator
light (if so equipped)
Engine oil pressure warning
light
Master warning light
Seat belt warning light and
chime
Security indicator light
Supplemental air bag warning
light
Warning/Indic ...
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 ...
Trip computer
1. Vehicle speed
The vehicle speed mode shows the current
vehicle speed and the average vehicle
speed since the last reset.
Average vehicle speed:
Press the OK button on the steering wheel
to bring up the drive computer Reset
menu, and follow the instructions to reset.
For additional information, ...