Nissan Maxima Service and Repair Manual: Audio system

System Diagram

System Description

AUDIO SYSTEM

The audio system consists of the following components

• AV control unit
• Display unit
• Window antenna
• Steering wheel audio control switches
• A/C and AV switch assembly
• Front door speakers
• Tweeters
• Rear door speakers
• Subwoofers

When the audio system is on, radio signals are received by the window antenna. The AV control unit then sends audio signals to the front door speakers, tweeters, rear door speakers, subwoofer amp. 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 AV control 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 M143
2. Tweeter RH M144
3. AV control unit M115, M116, M117, M118, M119, M120, M121 (located behind A/C and AV switch assembly)
4. Display unit M141
5. A/C and AV switch assembly M98
6. Steering angle sensor M53 [located in steering column behind combination switch (spiral cable)]
7. Steering wheel audio control switches
8. USB interface M211 (view in center console)
9. Aux jack M209
10. Subwoofer (view under rear parcel shelf) LH B16 RH B17
11. Satellite radio tuner B111
12. Bluetooth control unit B125, B130, B131
13. Subwoofer amp. B21
14. Microphone R7
15. Rear view camera T101
16. Front door speaker LH D3 RH D103
17. Rear door speaker LH D202 RH D302

Component Description

Part name	Description
AV control unit	Controls audio system, USB connection, AUX IN connection and satellite radio system
Display unit	Displays all audio and climate control related inform
Steering wheel audio control switches	Audio operation can be operated Steering switch signal is output to AV control unit
Front door speakers	Outputs audio signal from AV control unit Outputs high, mid and low range
Tweeters	Outputs audio signal from AV control unit Outputs high range sounds
Rear door speakers	Outputs audio signal from AV control unit Outputs high, mid and low range sounds
Subwoofer amp	Receives and amplifies sound signal from AV control unit Outputs amplified sound signal to the subwoofers.
Subwoofers	Outputs audio signal from subwoofer amp. Outputs low range sounds
Satellite radio tuner	Receives radio signals from satellite antenna Sends audio signals to AV control
Satellite antenna	Audio signal (satellite radio) is received and output to AV control unit. Revision: August