Nissan Altima (L32) 2007-2012 Service Manual: Microphone signal circuit (coupe)
Description
Voice signals are transmitted from the microphone to the Bluetooth control
unit using the microphone signal
circuits.
Diagnosis Procedure
1.CHECK HARNESS BETWEEN BLUETOOTH CONTROL UNIT AND MICROPHONE
1. Turn ignition switch OFF.
2. Disconnect Bluetooth control unit connector and microphone
connector.
3. Check continuity between Bluetooth control unit harness connector
B55 (A) and microphone harness connector R7 (B).
4. Check continuity between Bluetooth control unit harness connector B55 (A)
and ground.
Are the continuity test results as specified?
YES >> GO TO 2
NO >> Repair harness or connector.
2.CHECK MICROPHONE POWER SUPPLY
1. Connect Bluetooth control unit connector and microphone connector.
2. Turn ignition switch ON.
3. Check voltage between microphone harness connector R7 terminal
4 and ground.
Is voltage reading approx. 5 volts?
YES >> GO TO 3
NO >> Replace Bluetooth control unit. Refer to AV-235,
"Removal and Installation - Coupe".
3.CHECK MICROPHONE SIGNAL
Check signal between Bluetooth control unit harness connector B55
terminals 7 and 8.
Are voltage readings as specified?
YES >> Replace Bluetooth control unit. Refer to AV-235, "Removal and
Installation - Coupe".
NO >> Replace microphone. Refer to AV-233, "Removal and Installation".
SATELLITE RADIO TUNER
Description
Left and right channel audio signals are supplied from the satellite radio
tuner to the audio unit through the
sound signal circuits.
Diagnosis Procedur ...
Description
Voice signals are transmitted from the microphone to the Bluetooth control
unit using the microphone signal
circuits.
Diagnosis Procedure
1.CHECK HARNESS BETWEEN BLUETOOTH CONTROL UN ...
Other materials: Rear-facing child restraint installation
using the seat belts
WARNING
The three-point seat belt with Automatic
Locking Retractor (ALR) must be
used when installing a child restraint.
Failure to use the ALR mode will result
in the child restraint not being properly
secured. The restraint could tip over or
be loose and cause injury to a child in a
sudden stop o ...
Three-point type seat belt with
retractor
WARNING
Every person who drives or rides in
this vehicle should use a seat belt at
all times. Children should be in the
rear seats and in an appropriate
restraint.
Do not ride in a moving vehicle when
the seatback is reclined. This can be
dangerous. The shoulder belt will not
be against yo ...
Rear window and outside mirror
(if so equipped) defroster switch
To defrost the rear window glass and outside
mirrors (if so equipped), place the ignition
switch in the ON position and push the
rear window defroster switch on. The rear
window defroster indicator light on the
switch comes on. Push the switch again to
turn the defroster off.
The rear window defro ...