Nissan Altima (L32) 2007-2012 Service Manual: Microphone
Diagnosis Procedure
1.CHECK POWER SUPPLY CIRCUIT (MICROPHONE SIDE)
Check voltage between microphone harness connector and ground.
Is proper voltage present?
YES >> GO TO 4
NO >> GO TO 2
2.CHECK POWER SUPPLY CIRCUIT (CONTINUITY)
1. Turn ignition switch OFF.
2. Disconnect microphone and AV control unit harness connectors.
3. Check continuity between microphone harness connector R7
(A) terminal 4 and AV control unit harness connector M46 (B)
terminal 46.
4. Check continuity between microphone harness connector R7
(A) terminal 4 and ground.
Are the continuity test results as specified?
YES >> GO TO 3
NO >> Repair harness or connector.
3.CHECK POWER SUPPLY CIRCUIT (AV CONTROL UNIT SIDE)
1. Connect AV control unit harness connector.
2. Turn ignition switch to ACC.
3. Check voltage between AV control unit harness connector and
ground.
Is voltage approximately 5 volts?
YES >> Inspection End.
NO >> Replace AV control unit. Refer to AV-437, "Removal and
Installation".
4.CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect microphone harness connector R7 and AV control unit harness
connector M46.
3. Check continuity between microphone harness connector R7
(A) terminal 2 and AV control unit harness connector M46 (B)
terminal 47.
Does continuity exist?
YES >> Inspection End.
NO >> Repair harness or connector.
Diagnosis Procedure
1.CHECK FUSE
Check that the following fuses of the CD changer are not blown.
Are the fuses OK?
YES >> GO TO 2
NO >> Be sure to eliminate cause of malfunction bef ...
Description
The audio unit sends audio signals to the BOSE speaker amp. The BOSE speaker
amp. amplifies the audio
signals before sending them to the door speakers using the audio signal
circuit ...
Other materials: 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 ...
Vehicle information display - 5 inch (13 cm) Type A (if so equipped)
The vehicle information display is located
to the left of the speedometer. It displays
such items as:
Vehicle settings
Indicators and warnings
Information/warning messages
Tire pressure information
Drive computer information
Cruise control system information
Driving Aids (if so equipped)
N ...
Programming HomeLink
If you have any questions or are having
difficulty programming your HomeLink
buttons, refer to the HomeLink website at:
www.homelink.com or call 1-800-355-3515.
NOTE:
Place the ignition switch in the ON position
(without starting the engine) when
programming HomeLink. It is also recommended that
ane ...