Nissan Altima 2007-2012 Service Manual: Audio system (sedan)

System Diagram

System Description

AUDIO SYSTEM

The audio system consists of the following components

• AV control unit (audio unit)

• BOSE speaker amp.

• Window antenna

• Antenna amp.

• Steering wheel audio control switches

• Front door speakers

• Tweeters

• Center speaker

• Rear door speakers

• Subwoofers

• CD changer

When the audio system is on, radio signals are received by the window antenna. These signals are amplified by the antenna amp. before reaching the audio unit. The audio unit then sends audio signals to the BOSE speaker amp. The BOSE speaker amp. amplifies the audio signals before sending them to the front door speakers, tweeters, center speaker, rear door speakers and subwoofers.

Refer to Owner's Manual for audio system operating instructions.

SATELLITE RADIO SYSTEM

The satellite radio system consists of the following components

• Satellite antenna

• Satellite radio tuner

When the satellite radio system is on, radio signals are supplied to the satellite radio tuner from the satellite antenna. The satellite radio tuner then sends audio signals to the audio unit.

Refer to Owner's Manual for satellite radio system operating instructions.

SPEED SENSITIVE VOLUME SYSTEM

Volume level of this system goes up and down automatically in proportion to the vehicle speed. The control level can be selected by the customer. Refer to Owner's Manual for operating instructions.

Component Parts Location

1. Tweeter LH M51

2. Steering wheel audio control switches

3. CD changer M42

4. Tweeter RH M52

5. AV control unit M46, M47, M48, M81, M90, M91

6. Center speaker M151

7. Combination meter M24

8. Front door speaker

LH D3

RH D103

9. Rear subwoofer RH B124

10. Rear subwoofer LH B120

11. Rear door speaker

LH D202

RH D302

12. Antenna amp M502 (view with rear pillar finisher RH removed)

13. BOSE speaker amp. B121, B122

14. Microphone R7

15. Rear view camera control unit B31 (view with trunk side finisher LH removed)

16. Rear view camera B35

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