2006 ACURA CSX oil

Audio GlossaryItem Definition
23-168Audio System
System Description (cont’d)
GA-Net
The GA-Net allows the audio unit to communicate with all the audio and
navigation components in a vehicle. If there is an open in the GA-Net, or
components, components or the entire audio and navigation system may
appear inoperative.
GB (Gigabyte) A unit of memory or disk storage equal to billion bytes (1000 million bytes).
HDD Abbreviation for hard disc drive. They are sensitive to heat and it is not
recommended that they be used in the PC card slot for playing audio files.
Hertz (Hz) The unit of frequency equal to one cycle per second (cps). One kilohertz (kHz)
equals 1,000 cps; one megahertz (MHz) equals 1 million cps.
Integrated amplifier A component that combines a pre amp and a power amp into a single unit. A
receiver combines an integrated amp and a tuner into a single unit.
Jewel case The hard plastic case that contains a compact disc or DVD. Always use a jewel
case to prevent scratches on the underside of a CD or DVD.
LCD (Liquid Crystal Display) A type of digital display that changes reflectance or transmittance when an electrical field is applied to it.
Memory Circuitry or devices that hold information in electrical or magnetic form, such
as the AM/FM radio presets.
MB (Megabyte) One million bytes. Written as 1 MB. Megabytes are used as a measure of digital
storage space. For example, a CD can hold 650 MB.
Mic An abbreviation for microphone. For vehicles with navigation, the microphone
accepts navigation voice commands to control audio and navigation functions.
MP3 music files MP3 is an audio coding format. MP3 is a popular audio compression format on
the Internet and computers. CDs and PC Cards with these files can be played on
some vehicle’s audio system.
Mute When the navigation gives guidance, the front speakers are muted (no music).
When you use the voice control system, all of the speakers are muted.
Noise Unwanted random sounds like buzzing, hiss, pops, static, whine, etc.
PC card The slot used for playing MP3 and WMA music files. The PC Card is usually a
combination of a small flash card in a PCMCIA adaptor that slides into the slot.
The ATA, SD, and compact flash types of cards have been tested up to 1 GB.
PCMCIA A computer standard for the slot that the PC card slides into. Another term for
the PC card slot.
Processor The part of an audio device that performs tasks/calculations. In the audio unit
the processor handles muting to allow the navi to speak voice commands, and
the decoding/playback of the sound files etc.
Radio A head unit that combines a tuner, a preamplifier, and often a power-amplifier.
Route guidance (RG) Spoken voice used for turn-by-turn navigation from the audio speakers.
SCF (Cold Start Fix) screens These screens are displayed if the system requires a GPS initialization. The vehicle should be moved outside into an open area away from buildings/power
lines.
Stereo A recording of at least two channels where you can hear sound or music from
the left or right side.
SD (Secure Digital) card This compact type of memory card allows for fast data transfer and has built-in security functions. SD cards have a small write-protection switch on the side.
Shield A metallic foil or braided wire layer surr ounding conductors which are
designed to prevent electrostatic or electromagnetic interference (noise) from
external sources such as buzzing, or popping sounds heard on the speakers.
Speaker (Loudspeaker) A device that converts electrical energy into acoustical energy (sound).
Speed-sensitive volume
compensation (SVC) The SVC increases the audio volume to compensate for increased interior noise
when the vehicle drivers at freeway speeds.
Subwoofer A loudspeaker made to reproduce the lowest audio frequencies, about 25 Hz to
125 Hz.
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Audio GlossaryItem Definition
23-169
Track A sound recording on a CD, tape, or PC Card.
Treble An adjustment to control the volume of the high frequency sounds.
Tuner A component (or part of a component) that receives radio signals and selects
one broadcast from many.
Tweeter A speaker designed to reproduce the higher frequencies (treble) only.
USB Universal Serial Bus. The USB is used for playing the compressed audio files
(MP3, WMA, and AAC) on the external device through the audio unit.
Voice coil A coil of wire wrapped around a tube and then attached to the speaker cone or
diaphragm. When an audio signal is applied, the coil becomes an
electromagnet and interacts with the permanent magnet causing the come or
diaphragm to vibrate. We interpret this vibrations as sound.
Volume control Allows you to control the loudness of the music.
WMA music file Windows Media Audio File. This is an accepted format for music files to be
played on either a CD-R, a CD-RW or a PC Card.
Woofer A speaker that is designed to reproduce low (bass) frequencies only.
XM radio Satellite based radio transmission, which also uses a ground based repeater
network to ensure seamless reception. The channels originate from XM’s
broadcast center, in Washington, DC, and uplink to two satellites. These
satellites transmit the signal across the entire continental United States.
XM receiver The external component that receives and processes the XM signals from the
XM satellites, and terrestrial (land) stations. The audio unit communicates to
the XM receiver over the GA-Net bus.
(cont’d)
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Special Tools Required
Electrical Noise Test
23-252
Audio System
Sound Quality Diagnosis (cont’d)
Diagnostics CD 07AAZ-SDBA100
Do this test to check for electrical noise being induced
into the audio system.
NOTE: Electrical noise may be caused by outside
sources that cannot be handled by the audio system.
Make sure you remove any cell phones and/or turn off
any aftermarket device before beginning this test.
1. Insert the diagnostics CD (T/N: 07AAZ-SDBA100) into the navigation unit or audio unit.
2. Play track No. 4 (digital zero) at a normal, or slightly higher than normal, volume level.
3. Operate any electrical device that may create electrical noise in the audio system, including
starting the engine.
4. Play track No. 5 (near digital zero) at a normal, or slightly higher than normal, volume level.
5. Operate any electrical device that may create electrical noise in the audio system, including
starting the engine.
6. Play track No. 6 (SNR) at a normal, or slightly higher than normal, volume level. 7. Operate any electrical device that may create
electrical noise in the audio system, including
starting the engine.
 If no abnormal noise is heard, go to individual speaker test.
 If the noise is present only during the SNR track, replace the navigation unit or audio unit.
 If the noise is heard during the digital zero or near digital zero track, check for;
– Poor ground for the audio unit, amplifier, engine or battery cable
– Pinched or shorted speaker or amplifier wire
– Faulty amplifier (Type S model)
– Faulty navigation unit
– Faulty audio unit
– Other faulty components causing excessive electrical noise (ignition coils, alternator, door
lock actuators, etc.). Disconnect any suspect
components, and then replay the tracks that
were originally noisy. If the noise is gone,
check the component’s circuit and the
component.
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Airbag Handling and Storage
24-14
SRS
Precautions and Procedures (cont’d)
A
C
BC
Do not disassemble an airbag. It has no serviceable
parts. Once an airbag has been deployed, it cannot be
repaired or reused.
For temporary storage of an airbag during service,
observe the following precautions.
 Store the removed airbag with the pad surface up. Never put anything on the airbag.
 To prevent damage to the airbag, keep it away from any oil, grease, detergent, or water.
 Store the removed airbag on a secure, flat surface away from any high heat source (exceeding 200 °F/
93 °C).  Never perform electrical inspections to the airbags,
such as measuring resistance.
 Do not position yourself in front of the airbag during removal, inspection, or replacement.
 For proper disposal of a damaged airbag, refer to airbag disposal (see page 24-196).
 The side curtain airbag module assembly is a long, jointed part containing an inflator (A), a flexible bag
(B), and brackets (C). When removing or installing the
side curtain airbag assembly, never:
– Handle the flexible bag.
– Drop the airbag assembly.
– Cut, tear, or unwrap the taps strips.
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SRS Unit, Front and Side Impact Sensors,
Driver’s Seat Position Sensor, Front
Passenger’s Weight Sensors and, Rear
Safing Sensor
24-15
NOTE: Some systems store data in memory that is lost
when the battery is disconnected. Before disconnecting
the battery, refer to Battery Terminal Disconnection and
Reconnection (see page 22-68).
 Turn the ignition switch to LOCK (0), disconnect the negative cable from the battery, then wait at least 3
minutes before starting installation or replacement of
the SRS unit, or disconnecting the connectors from
the SRS unit.
 Be careful not to bump or impact the SRS unit, the front impact sensors, the side impact sensors, or the
rear safing sensor whenever the ignition switch is in
ON (II), or for at least 3 minutes after the ignition
switch is turned to LOCK (0).
 During installation or replacement, be careful not to bump (by impact wrench, hammer, etc.) the area
around the SRS unit, the front impact sensors, the
side impact sensors, or the rear safing sensor. The
airbags could accidentally deploy and cause damage
or injury.  After a collision where the front airbag, the side
airbag, or a the seat belt tensioner, the seat belt
buckle tensioner deployed, go to Component
Replacement/Inspection after Deployment (see page
24-185). After a collision where an airbag did not
deploy, inspect for any damage or any deformation
on the SRS unit, the front impact sensors, the side
impact sensors, or the rear safing sensor. If there is
any damage, replace the SRS unit and/or the sensors.
 Do not disassemble the SRS unit, front impact sensors, side impact sensors, driver’s seat position
sensor, front passenger’s weight sensors or rear
safing sensor.
 Always install the SRS unit, driver’s seat position sensor, and all impact sensors and the rear safing
sensor securely with new TORX bolts torqued to 9.8
N·m (1.0 kgf·m, 7.2 lbf·ft).
 Do not spill water or oil on the SRS unit or the any of the sensors, and keep them away from dust.
(cont’d)
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