2006 ACURA CSX manual radio set

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Page 2284 of 2893

ACURA CSX 2006 Service Repair Manual (#
)
Symptom Diagnostic procedure Also check for
23-4
Audio System
Symptom Troubleshooting Index
Poor AM or FM radio reception or
interference (with naviga

Page 2285 of 2893

ACURA CSX 2006 Service Repair Manual SymptomDiagnostic procedure Also check for
23-5
Navigation unit button
illumination does not work (with
navigation)Symptom Troubleshooting (see page 23-58)
Audio unit button illumination
does not work

Page 2288 of 2893

ACURA CSX 2006 Service Repair Manual µ
Audio Glossary
Item Definition
23-8Audio System
System Description (cont’d)
NOTE: All items may not apply to this vehicle. See the owner’s manual for more information.
Active noise cancellatio

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Audio Glossary
Item Definition
23-8Audio System
System Description (cont’d)
NOTE: All items may not apply to this vehicle. See the owner’s manual for more information.
Active noise cancellation The active noise cancellation system cancels some of the vehicle noise. This occurs in the 1,500 2,400 rpm range. Microphones detect the low frequency
sound, and the system outputs a canceling sound from the audio speaker.
AM (Amplitude Modulation)
Amplifier A device that increases the level of a signal by increasing the current or voltage.
Antenna A device used to send or receive electromagnetic waves thr ough the air.
ATA (PC Card) A type of card that has been tested for use in playing WMA, and MP3 music files in the PC Card slot. Sizes of up to 1 GB have been tested.
Audio remote switch The switches on the steering wheel that control the audio system.
Auxiliary jack Allows the customer to use a portable audio device to i nput audio recordings.
Balance A control that changes the relative volume of the left and right channels.
Band A range of frequencies between two definite limits. Bands are assigned by the Federal Communications Commission for specific uses.
Bass An adjustment for the low frequency sounds of around 160 Hz and below.
Byte A unit of storage for computer files and memory. A CD holds approximately 700 million bytes.
Cassette Audio or video magnetic tape container having two reels. Customers can insert it for play back
Compactflash Astandardforsmall-size(3x4cm),memorycardsusedinmobilecomputers, PDAs, digital cameras. Compact flash memory cards are available in size of
32 MB up to 4 GB or more and can be played in the audio PC slot. Sizes above
1 GB have not been tested.
CD (Compact Disc) A 4.5-inch plastic disc containing digital audio recording that is played optically on a laser equipped player. Never use discs with a paper label. In a hot vehicle,
labels can curl up and jam the unit.
CD (audio disc) changer CD player that can store and play more than one CD. Two types are available. Some units accept CDs fed into the changer one at a time, and others accept a
magazine (with CDs stacked in a container).
CD player A com ponent designed to play compact disc recordings using a laser optical
pickup. The signal from a CD player usually requires amplification.
Decibels (db)
Distortion Inexact repr oduction of an audio signal caused by playing music at levels the
audio system cannot handle.
Dolby (noise reduction) A processing system developed by Dolby Laboratories that reduces the background noise on recording media. The result is a cleaner playback from the
audio system.
DUET A serial data communication line used for sub display.
DVD (Digital Versatile Disc) A 4.5-inch CD-like format used for storing movies with digital audio and video features. The DVD-A format is a DVD format designed for DVD audio systems.
Some vehicles can play DVD and DVD-A formats.
Equalizer A device that changes the relative volume of individual frequency bands to suit personal tastes of the listener.
Fader The control that adjusts the relative volume levels of front and rear speakers in a four-speaker system.
Format To prepare a PC Card to receive files this function is done on a PC. Always choose either FAT or FAT32, as the NTFS format is not accepted by the system.
Pick the default sectors for the format method selected.
FM (Frequency Modulation) The form of modulation used for radio and television sound transmission in most of the world. Less prone to interference than AM. The FM broadcast band
in North America covers roughly 87.7 to 107.9 MHz.
The type of transmission used in the standard radio broadcast band from 530 to 1710 kHz.
A method of measuring sound or radio signal strength received by the audio unit antenna.
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Page 2289 of 2893

ACURA CSX 2006 Service Repair Manual Audio GlossaryItem Definition
23-9
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, co

Audio GlossaryItem Definition
23-9
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 its 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.
(cont’d)
08/08/21 14:03:45 61SNR030_230_0012
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Page 2319 of 2893

ACURA CSX 2006 Service Repair Manual Î

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Audio unit power switch will not turn off
(without

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Audio unit power switch will not turn off
(without navigation) No sound is heard from the speaker(s)
(display is normal) (with navigation)
YES
NO
YES
NO YES
NO
YES
NO
YES
NO
23-3923-39
AUDIO UNIT CONNECTOR A (17P)
ACC RADIO (PUR)
NOTE: Check for aftermarket accessories plugged into the vehicle’s accessory power sockets.
Check the connectors for poor connections or loose terminals.
1. Turn the ignition switch to ON (II).
2. Push the power switch OFF or turn the ignition switch to LOCK(0) to see if the audio unit turns OFF.
Operation is normal.
Go to step 3.
3. Turn the ignition switch to LOCK (0).
4. Remove the audio unit (see page 23-80).
5. Disconnect audio unit connector A (17P). NOTE: Eject all the discs before removing the audio
unit to prevent damaging the CD player’s load
mechanism.
6. Measure the voltage between audio unit connector A (17P) terminal No. 14 and body ground.
Check for short to power on PUR wire.
Replace the audio unit (see page 23-80). NOTE:
Check the vehicle battery condition first.
Check the connectors for poor connections or loose terminals.
Set the fader and balance positions to the center.
Before performing symptom troubleshooting, do the power switch will not turn ON troubleshooting
(see page 23-35).
1. Turn the ignition switch to ON (II).
2. Check for sound in each mode (AM, FM, XM, and CD).
Intermittent failure. The system is OK at this
time. Check for loose connections at the navigation
unit and speaker(s).
Go to step 3.
3. Check that the volume button is not set to the min level.
Raise the volume level, and recheck the
function.
Go to step 4.
4. On the steering wheel, check the navigation talk command.
Cancel the navigation talk command by
pressing the navigation BACK button, then recheck
the function.
Go to step 5.
(cont’d)
Wire side of female terminals
Is the aud io unit OF F ?
Is there voltage? I s t he sound OK i n each mod e?
Is it at the MIN level?I s t he nav i gat i on t al k command f unct i on set ?
08/08/21 14:04:40 61SNR030_230_0042
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Page 2328 of 2893

ACURA CSX 2006 Service Repair Manual (##
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No sound is heard from the speaker(s)
(display is normal) (without navigation)
YES
NO
YES
NO YES
NO
YES
NO
23-48Audio

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No sound is heard from the speaker(s)
(display is normal) (without navigation)
YES
NO
YES
NO YES
NO
YES
NO
23-48Audio System
Symptom Troubleshooting (cont’d)
NOTE:
Check the vehicle battery condition first.
Check the connectors for poor connections or loose terminals.
Set the fader and balance positions to the center.
Before performing symptom troubleshooting, do the power switch will not turn on troubleshooting
(see page 23-36).
For vehicles with factory installed audio, do the self- diagnostic function, speaker check (see page 23-25) to
help isolate the speaker.
1. Turn the ignition switch to ON (II).
2. Check that the volume button is not set to the MIN level.
Raise the volume level, and recheck the
function.
Go to step 3.
3. Do the speaker check mode in the self-diagnostic function (see page 23-25).
Speaker(s) failed the test:
If at least one speaker is OK, go to step 4.
If all speakers fail to sound, go to step 7.
Speakers all work, but sound quality is poor:
If the sound is poor only with AM or FM, go to poor AM or FM radio reception or interference
(see page 23-32).
If the sound is poor only with disc. – Try several known- good disc in the audio unit.
– If the sound quality is normal, the original disc is faulty.
– If the sound quality is still poor, replace the audio unit.
If the sound is poor in all modes, go to sound quality diagnosis (see page 23-74).
4. Turn the ignition switch to LOCK (0). 5. Remove the speaker(s) with no sound (see page
23-83), and disconnect its connector.
6. Check the speaker 2P connector for a loose or poor connection.
Go to step 7.
Operation is normal.
7. Make sure the ignition switch is in LOCK (0).
8. Remove the speaker(s) with no sound (see page 23-84), and disconnect its connector.
9. Measure the resistance between terminals No. 1 and No. 2 of the speaker connector.
Go to step 10.
Faulty speaker(s).
10. Remove the audio unit (see page 23-80). Disconnect audio unit connector A (17P).
NOTE: Eject all the discs before removing the audio
unit to prevent damaging the CD player’s load
mechanism.
Is i t at M IN l ev el ?
Do any or al l of t he speak er s f ai l t o sound ? Reconnect t he speak er 2P connect or , and r echeck
the symptom; does it still f ail?
Is t her e about 4 ?
08/08/21 14:04:43 61SNR030_230_0051
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Page 2334 of 2893

ACURA CSX 2006 Service Repair Manual (#
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Radio preset memory is lost Volume does not change
YES
NO
YES
NO YE

Page 2337 of 2893

ACURA CSX 2006 Service Repair Manual (#
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Volume is too high or too low when driving
at freeway speeds Radio

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