Nissan Altima (L32) 2007-2012 Service Manual: Microphone signal circuit
Description
Power is supplied to the microphone from the AV control unit. The microphone
transmits voice signals to the
AV control unit.
Diagnosis Procedure
1.CHECK CONTINUITY BETWEEN AV CONTROL UNIT AND MICROPHONE CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect AV control unit connector M46 and microphone connector R7.
3. Check continuity between AV control unit harness connector
M46 (A) terminals 45, 46, 47 and microphone harness connector
R7 (B) terminals 1, 2, 4.
4. Check continuity between AV control unit harness connector
M46 (A) terminals 45, 46, 47 and ground.
Is inspection result OK?
YES >> GO TO 2
NO >> Repair harness or connector.
2.CHECK MICROPHONE VCC VOLTAGE
1. Connect AV control unit connector.
2. Turn ignition switch ON.
3. Check voltage between AV control unit harness connector M46
terminals 46 and 47.
Is inspection result OK?
YES >> GO TO 3
NO >> Replace AV control unit. Refer to AV-437, "Removal and
Installation".
3.CHECK MICROPHONE SIGNAL
1. Connect microphone connector.
2. Check signal between AV control unit harness connector M46
terminals 45 and 47.
Is inspection result OK?
YES >> Replace AV control unit. Refer to AV-437, "Removal and Installation".
NO >> Replace microphone. Refer to AV-456, "Removal and Installation".
Description
When one of the steering wheel audio control switches is pushed, the
resistance in the steering switch circuit
changes depending on which button is pushed.
Diagnosis Procedure
1.CH ...
Description
Rear view camera images are transmitted to the rear view camera control unit
using the camera image signal
circuits.
Diagnosis Procedure
1.CHECK CAMERA IMAGE SIGNAL CIRCUIT CONTINUI ...
Other materials: Seats
WARNING
Do not ride in a moving vehicle when
the seatback is reclined. This can be
dangerous. The shoulder belt will not
be against your body. In an accident,
you could be thrown into it and receive
neck or other serious injuries.
You could also slide under the lap belt
and receive serious ...
Seat belt extenders
If, because of body size or driving position, it
is not possible to properly fit the lap/
shoulder belt and fasten it, an extender
that is compatible with the installed seat
belts is available for purchase. The extender
adds approximately 8 in (200 mm)
of length and may be used for either the
driver ...
Forward-facing child restraint
installation using LATCH
For additional information, see all Warnings
and Cautions in "Child safety" and
"Child restraints" before installing a
child restraint.
Do not use the lower anchors if the combined
weight of the child and the child restraint
exceeds 65 lbs. (29.5 kg). If the combined
weight of the child and the chi ...