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Audio, Visual & Navigation System (Bose Audio Without Navigation) (Coupe): Overview Nissan Altima L33

Entertainment Systems 5 illustrations ~473 words

Scheme 344

Scheme 344: OVERALL SEQUENCE

Component Description

Part nameDescription
Audio unitControls audio system and satellite radio system functions
BOSE speaker amp.Receives power (amp ON) and audio signals from audio unit, and outputs audio signals to each speaker.
Steering wheel audio control switchesEach audio operation can be operated Steering switch signal (operation signal) is output to audio unit
Door speakersOutputs audio signal from BOSE speaker amp. Outputs high, mid and low range sounds
Front tweetersOutputs audio signal from BOSE speaker amp. Outputs high range sounds
Center speakerOutputs audio signal from BOSE speaker amp. Outputs high range sounds
Rear tweetersOutputs audio signal from BOSE speaker amp. Outputs high range sounds
Rear subwoofersOutputs audio signal from BOSE speaker amp. Outputs low range sounds
Satellite antennaAudio signal (satellite radio) is received and output to audio unit.

Scheme 345

Scheme 345: System Diagram

System Description

When the shift selector is in the R position, the audio unit shows a view to the rear of the vehicle. Lines which indicate the vehicle clearance and distances are also displayed.

Scheme 346

Scheme 346: Component Parts Location

Scheme 347

Scheme 347
Part nameDescription
Audio unitSends camera ON signal to the rear view camera Receives camera image signal from the rear view camera Displays camera image
Rear view cameraReceives camera ON signal from the audio unit Sends image signal to the audio unit

Scheme 348

Scheme 348: System Diagram

Refer to the owner's manual for Bluetooth telephone system operating instructions.

Note. Cellular telephones must have their wireless connection set up (paired) before using the Bluetooth telephone system.

Bluetooth telephone system allows users who have a Bluetooth cellular telephone to make a wireless connection between their cellular telephone and the Bluetooth control unit. Hands-free cellular telephone calls can be sent and received. Personal memos can be created using the Nissan Voice Recognition system. Some Bluetooth cellular telephones may not be recognized by the Bluetooth control unit. When a cellular telephone or the Bluetooth control unit is replaced, the telephone must be paired with the Bluetooth control unit. Different cellular telephones may have different pairing procedures. Refer to the cellular telephone operating manual.

Part nameDescription
Audio unitReceives telephone voice signal from Bluetooth control unit Sends telephone voice and voice guidance signals to BOSE speaker amp.
BOSE speaker amp.Inputs power (amp ON) and sound signal from audio unit, and outputs sound signal to each speaker.
Door speakerReceives telephone voice and voice guidance signals from BOSE speaker amp.
Front tweeter
Center speaker
Steering wheel audio control switchesStart a voice recognition session Answer and end telephone calls Adjust the volume level
MicrophoneSends voice signals to Bluetooth control unit
Bluetooth control unitControls hands-free phone functions
Bluetooth antennaSends telephone voice signal to bluetooth control unit

Diagnosis Description

The Bluetooth control unit has two diagnostic checks. The first diagnostic check is performed automatically every ignition cycle during control unit initialization. The second diagnostic check is performed by the technician using the steering wheel audio control switches prior to trouble diagnosis.

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 circuits.

The audio unit sends audio signals to the BOSE speaker amp. The BOSE speaker amp. amplifies the audio signals before sending them to the front tweeters using the audio signal circuits.

The audio unit sends audio signals to the BOSE speaker amp. The BOSE speaker amp. amplifies the audio signals before sending them to the center speaker using the audio signal circuits.

The audio unit sends audio signals to the BOSE speaker amp. The BOSE speaker amp. amplifies the audio signals before sending them to the rear tweeters using the audio signal circuits.

The audio unit sends audio signals to the BOSE speaker amp. The BOSE speaker amp. amplifies the audio signals before sending them to the subwoofers using the audio signal circuits.

When the audio system is turned on, a voltage signal is supplied from the audio unit to the BOSE speaker amp. When this signal is received, the BOSE speaker amp. will turn on.

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.

Voice signals are transmitted from the microphone to the Bluetooth control unit using the microphone signal circuits.

Rear view camera signals are transmitted from the rear view camera to the audio unit using the camera signal circuits.