Radio, Stereo, and Compact Disc: Description and Operation

AUDIO SYSTEM

The audio system consists of the following:
- Audio unit
- Steering wheel controls (if equipped)
- Four full range speakers or 4 coaxial speakers (if equipped)
- Subwoofer (if equipped)

The audio units available are:
- AM/FM stereo with single CD
- AM/FM stereo with MP3 and single CD player
- AM/FM stereo with MP3 and 6-disc in-dash CD player
- AM/FM stereo with MP3 and 6-disc in-dash CD player with audiophile system

The audio system is enabled when the key is in RUN or ACC. The steering wheel controls allow the driver to adjust various audio controls from the steering wheel. When the audio unit is powered up, a wake-up signal is sent to the subwoofer amplifier. Audio output signals are then sent to the subwoofer amplifier. These signals are then amplified and sent to the subwoofer speaker as a fluctuating AC voltage, thus producing sound from the speakers. A fluctuating AC voltage audio signal is also sent to the remaining speakers from the audio unit to produce sound.

The audio unit sends a reference signal to the steering wheel controls. The steering wheel controls contain different resistor values to produce different voltage signals. Each button that is pressed results in a unique voltage signal at the audio unit. This voltage signal is then interpreted by the audio unit as a distinct command.

Refer to the Owner's Literature for complete audio system operating controls and functions.