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

System Diagram

System Description

AUDIO SYSTEM

The audio system consists of the following components

• Audio unit

• Window antenna

• Steering wheel audio control switches

• Front door speakers

• Tweeters

• Rear speakers

When the audio system is on, radio signals are received by the window antenna. The audio unit then sends audio signals to the front door speakers, tweeters and rear speakers.

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

SATELLITE RADIO SYSTEM

The satellite radio system consists of the following components

• Roof antenna (satellite) • 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.

Component Parts Location

1. Tweeter LH M51

2. Steering wheel audio control switches

3. Tweeter RH M52

4. Audio unit M43, M45, M81

5. Front door speaker

LH D3

RH D103

6. Rear speaker

RH B44

7. Rear speaker

LH B26

8. Antenna amp. M502

9. Satellite radio tuner B123, B129 (with satellite radio tuner)

Component Description

    Audio system (coupe)
    System Diagram System Description AUDIO SYSTEM The audio system consists of the following components • Audio unit • Window antenna • Steering wheel audio control switches • Door spe ...

    Diagnosis system (audio unit)
    Diagnosis Description Self-diagnosis mode can check the following items. • Audio unit hardware/software versions • Continuity of each speaker channel • Continuity of each audio unit switch ...

    Other materials:

    AV Branch line circuit
    Diagnosis Procedure INSPECTION PROCEDURE 1.CHECK CONNECTOR 1. Turn the ignition switch OFF. 2. Disconnect the battery cable from the negative terminal. 3. Check the terminals and connectors of the AV control unit for damage, bend and loose connection (unit side and connector side). I ...

    L Terminal circuit
    Description The terminal “2” (L) circuit controls the charge warning lamp. The charge warning lamp illuminates when the ignition switch is set to ON or START. When the generator is providing sufficient voltage with the engine running, the charge warning lamp will go off. If the charge war ...

    Can communication circuit
    Diagnosis Procedure INSPECTION PROCEDURE 1.CONNECTOR INSPECTION 1. Turn the ignition switch OFF. 2. Disconnect the battery cable from the negative terminal. 3. Disconnect all the unit connectors on CAN communication system. 4. Check terminals and connectors for damage, bend and loose con ...