Audio System

System Description

Overview

The audio unit acts as the "processor" for all audio functions. You can select the audio functions from the front panel, the audio remote (on steering wheel), or by using the navigation voice control system. The audio display provides the current front and rear audio status. For vehicles with the navigation option, additional audio information is available by touching the audio button. (See the owner's manual for more details.)

Each audio component passes its audio signal to the audio unit. In addition, it communicates with the audio unit via the GA-Net bus. Any open connection in this circuit will cause audio and navigation functions to appear inoperative.

The audio unit has a built-in EEPROM (electrically erasable programmable read-only memory). This memory holds the audio presets data (AM/FM radio frequency, sound settings, etc.) even when the battery is disconnected.

With the ELS and the premium audio system, an audio amplifier unit powers the speakers.

The audio systems are equipped with speed-sensitive volume compensation (SVC). The audio unit receives the vehicle speed pulse (VSP) from the PCM. The system processes the speed input and increases the navigation or audio system volume level as the vehicle speed increases to compensate for the various interior noise that occurs at higher speeds. When the vehicle slows down, the volume returns to its normal level. The SVC has four settings: SVC OFF, LOW, MID and HIGH that can be adjusted using the audio unit. The SVC comes from the factory with the MID set as the default (See Owner's Manual for more information).

The 6DVD (6CD) changer output can be directed to the audio unit.

The XM radio plays through the audio unit.

A security signal is daisy-chained between the audio and navigation components for integration into the vehicle's security system.

The optional navigation system provides voice control for audio, XM, and CD player. Voice control commands are communicated on the GA-Net (audio unit). When using the TALK/BACK or route guidance (RG), only the center speaker is muted you hear the navigation instructions through the front speakers. When using HFL/AcuraLink, the center speaker, the rear speakers, and the subwoofer are muted and the front speakers give the telephone sound. When using HFL/AcuraLink and RG or talk back, the center speaker, the rear speakers, and the subwoofer are muted and you hear the telephone sound and navigation instructions through the front speakers. Muting commands are passed on the GA-Net bus. For more information, see the navigation section. The outline of the audio interruption function is shown in the following table.






System Diagram






NOTE: All items may not apply to this vehicle. See the Owner's Manual for more information.

Audio Glossary (Part 1):

Audio Glossary (Part 2):

Audio Glossary (Part 3):

Audio Unit Connector for Inputs and Outputs

Audio Unit Connector For Inputs And Outputs (Part 1):

Audio Unit Connector For Inputs And Outputs (Part 2):

Audio Unit Connector For Inputs And Outputs (Part 3):

Audio Unit Connector For Inputs And Outputs (Part 4):

Audio Unit Connector For Inputs And Outputs (Part 5):

Audio Unit Connector For Inputs And Outputs (Part 6):

Audio Unit Connector For Inputs And Outputs (Part 7):

Stereo Amplifier Connector for Inputs and Outputs

Stereo Amplifier Connector For Inputs And Outputs (Part 1):

Stereo Amplifier Connector For Inputs And Outputs (Part 2):

Stereo Amplifier Connector For Inputs And Outputs (Part 3):

Stereo Amplifier Connector For Inputs And Outputs (Part 4):

AcuraLink Control Unit (XM Receiver) Connector for Inputs and Outputs (With AcuraLink)

AcuraLink Control Unit (XM Receiver) Connector For Inputs And Outputs (with AcuraLink) (Part 1):

AcuraLink Control Unit (XM Receiver) Connector For Inputs And Outputs (with AcuraLink) (Part 2):

XM Receiver Connector for Inputs and Outputs (USA, '08 Canada models without AcuraLink)

XM Receiver Connector For Inputs And Outputs (USA, '08 Canada Models Without AcuraLink):

Audio Switch Panel Connector for Inputs and Outputs (Without navigation)

Audio Switch Panel Connector For Inputs And Outputs (Without Navigation):

Audio-HVAC Subdisplay Unit Connector for Inputs and Outputs (With navigation)

Audio-HVAC Subdisplay Unit Connector For Inputs And Outputs (With Navigation):

Audio-HVAC Display Unit Connector for Inputs and Outputs (Without navigation)

Audio-HVAC Display Unit Connector For Inputs And Outputs (Without Navigation):