navigation system ACURA CSX 2006 Service Repair Manual

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Stereo amplifier connector Wire color
YES
NO Navigation
unit connector Stereo
amplifier
connector Wire color
YES
NO
23-214 Audio System
Symptom Troubleshooting (cont’d)
STEREO AMPLIFIER CONNECTOR B (14P)
STEREO AMPLIFIER CONNECTOR B (14P)NAVIGATION UNIT CONNECTOR A (24P)
31. Check for continuity between stereo amplifier
connector B (14P) and body ground according to
the table. Then check for continuity between the
same terminals listed in the table and stereo
amplifier connector B (14P) terminal No. 12 (the
harness shield).
B6 LT GRN
B13 PUR
Short in the wire between the stereo
amplifier and the navigation unit. Replace the
affected shielded harness.
Go to step 32. 32. Check for continuity between navigation unit
connector A (24P) and stereo amplifier connector B
(14P) according to the table.
A6 B13 PUR
A7 B6 LT GRN
Substitute a known-good navigation unit
(see page 23-355), and recheck. If the symptom/
indication goes away, replace the original
navigation unit. If the symptom is still present,
substitute a known-good stereo amplifier, and
recheck. If the symptom/indication goes away,
replace the original stereo amplifier (see page
23-259).
Open in the wire between the navigation unit
and the stereo amplifier. Replace the affected
shielded harness.
Wire side of female terminals
Wire side of female terminalsWire side of female terminals
Is there continuity?
Is there continuity?
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From terminal To terminals
YES
NO Navigation
unit connector Auxiliary jack
assembly
connector Wire color
YES
NO
23-218 Audio System
Symptom Troubleshooting (cont’d)
NAVIGATION UNIT CONNECTOR B (24P)
AUXILIARY JACK ASSEMBLY 5P CONNECTORNAVIGATION UNIT CONNECTOR B (24P)
11. Check for continuity between navigation unit
connector B (24P) according to the table.
B1 B2 , B3, B13, B14, B15
B2 B3, B13, B14, B15 B3 B13, B14, B15
B13 B14, B15
B14 B15
: Shielded wire
Short in the wire(s) between the navigation
unit and the auxiliary jack assembly. Replace the
affected shielded harness.
Go to step 12. 12. Check for continuity between navigation unit
connector B (24P) and aux iliary jack assembly 5P
connector according to the table.
B1 3 BRN
B3 2 BLU
B13 4 YEL
B14 5 GRN
B15 1 WHT
Substitute a known-good aux iliary jack
assembly (see page 23-261), and recheck. If the
symptom/indication goes away, replace the
original auxiliary jack assembly. If the symptom/
indication is still present, replace the navigation
unit (see page 23-355).
Open in the wire(s) between the navigation
unit and the auxiliary jack assembly. Replace the
affected shielded harness.
Wire side of female terminals
Wire side of female terminalsWire side of female terminals
Is there continuity?
Is there continuity?
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Audio unit
connector Auxiliary jack
assembly
connector Wire color
YES
NO YES
NO
Audio system sound is weak or distorted
(display is normal)
23-22023-220Audio System
Symptom Troubleshooting (cont’d)
AUDIO UNIT CONNECTOR B (20P)
AUXILIARY JACK ASSEMBLY 5P CONNECTOR
17. Check for continuity between audio unit connector B (20P) and auxiliary jack assembly 5P c onnector
accordingtothetable.
B3 3 BRN
B5 2 BLU
B13 4 YEL
B14 5 GRN
B15 1 WHT
Substitute a known-good aux iliary jack
assembly (see page 23-261), and recheck. If the
symptom/indication goes away, replace the
original auxiliary jack assembly. If the symptom/
indication is still present, replace the audio unit
(see page 23-256).
Open in the wire(s) between the audio unit
and the auxiliary jack assembly. Replace affected
shielded harness. NOTE:
 Check the vehicle battery condition first.
 Check the connectors for poor connections or loose terminals.
1. 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, audio unit, amplifier, and each speaker.
Speakers all work, sound quality is poor.
 If the sound quality is poor only with the XM radio, or the XM radio does not function, go to
poor or no sound with XM radio (see page
23-249).
 If the sound quality is poor only with AM or FM radio, go to poor AM or FM radio reception or
interference (see page 23-196).
 If sound is poor in all modes, go to sound quality diagnosis (see page 23-251).
Wire side of female terminals
Wire side of female terminals
Is there continuity? I s t her e sound f r om t he speak er s, and i s t he sound
qual i t y nor mal i n each mod e?
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Radio preset memory is lost Volume does not change
YES
NO
YES
NO YES
NO
YES
NO
23-22123-221
NOTE: If only the XM stations are lost, go to XM radio
preset memory is lost (see page 23-248).
1. Set each of the radio station preset buttons.
Go to step 2.
 With navigation: Replace the navigation unit (see page 23-355).
 Without navigation: Replace the audio unit (see page 23-256).
2. Turn the ignition switch to LOCK (0) for 1 minute, then turn it back to ON (II).
3. Test the preset buttons for proper recall operation.
System is normal at this time. Check the
connections at the navigation unit or audio unit.
 With navigation: Replace the navigation unit (see page 23-355).
 Without navigation: Replace the audio unit (see page 23-256). 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.
1. Listen for sound from the speakers.
Go to step 2.
Go to audio system sound is weak or
distorted, or no sound is heard from speaker(s)
(see page 23-206).
2. Operate the volume knob to see if the volume changes.
Operation is normal.
 With navigation: Replace the navigation unit (see page 23-355).
 Without navigation: Replace the audio unit (see page 23-256).
Do each of t he but t ons set pr oper l y ?
Do the preset buttons recall the set radio stations? I s t he sound nor mal ?
Does t he v ol ume change?
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Volume does not increase with speed (with
navigation)
YES
NO
YES
NO
YES
NO YES
NO
23-222Audio System
Symptom Troubleshooting (cont’d)
NAVIGATION UNIT CONNECTOR A (24P)
VSP (BLU)
NOTE: Check the vehicle battery condition first.
 Check the connectors for poor connections or loose terminals.
1. Verify the SVC mode setting in the navigation unit sound set-up.
Change the setting to Mid and retest
(see page 23-164).
Go to step 2.
2. Do the self-diagnostic function for the vehicle speed pulse indication (see page 23-190).
Substitute a known-good navigation unit
(see page 23-355), and retest. If the symptom/
indication goes away, replace the original
navigation unit.
Go to step 3.
3. Test-drive the vehicle at highway speeds, and monitor if the volume increases.
Intermittent failure, the system is OK at this
time.
Go to step 4. 4. Remove the navigation unit (see page 23-355) and
disconnect navigation unit connector A (24P).
NOTE: Eject all the discs before removing the navigation unit to prevent damaging the CD player’s load
mechanism.
 Remove the PC card before removing the navigation unit.
5. Drive the vehicle, and have an assistant measure voltage at navigation unit connector A (24P)
terminal No. 15.
Replace the navigation unit (see page 23-355).
Repair open or shorts in the wire between
navigation unit connector A (24P) terminal No. 15
and ECM/PCM connector A (44P) terminal No. 29. If
no opens or shorts are found, Update the ECM/
PCM (see page 11-227) if it does not have the latest
software or substitute a known-good ECM/PCM
(see page 11-228).
Wire side of female terminals
Is the SVC set to off?
Does t he sel f -d i agnost i c f unct i on i nd i cat e a V SPsi gnal ?
Do t he v ol ume i ncr ease? Is there a 0 5 V Pulse?
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Volume does not increase with speed
(without navigation)
YES
NO
YES
NO
YES
NO YES
NO
23-223
AUDIO UNIT CONNECTOR A (17P)
VSP (BLU)
NOTE: Check the vehicle battery condition first.
 Check the connectors for poor connections or loose terminals.
1. Test-drive the vehicle at highway speeds, and monitor if the volume increases.
Intermittent failure, the system is OK at this
time.
Go to step 2.
2. Verify the SVC mode setting in the audio unit sound set-up.
Change the setting to Mid, and retest
(see page 23-164).
Go to step 3.
3. Do the self-diagnostic function for the vehicle speed pulse indication (see page 23-190).
Substitute a known-good audio unit
(see page 23-256), and retest. If the symptom/
indication goes away, replace the original audio
unit.
Go to step 4. 4. Remove the audio unit (see page 23-256) and
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.
5. Drive the vehicle, and have an assistant measure voltage at audio unit connector A (17P) terminal
No. 13.
Replace the audio unit (see page 23-256).
Repair open or shorts in the wire between
audio unit connector A (17P) terminal No. 13 and
ECM/PCM connector A (44P) terminal No. 29. If no
opens or shorts are found, Update the ECM/PCM
(see page 11-227) if it does not have the latest
software or substitute a known-good ECM/PCM
(see page 11-228).
Wire side of female terminals
Do t he v ol ume i ncr ease?
Is the SVC set to off?Does t he sel f -d i agnost i c f unct i on i nd i cat e a V SPsi gnal ? Is there a 0 5 V Pulse?
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Volume is too high or too low when driving
at freeway speeds Radio tuner does not change stations
YES
NO
YES
NO YES
NO
YES
NO
23-22423-224Audio System
Symptom Troubleshooting (cont’d)
NOTE:
 Check the vehicle battery condition first.
 Check the connectors for poor connections or loose terminals.
1. Test-drive the vehicle at highway speeds, and monitor volume level.
Go to step 2.
Intermittent failure, the system is OK at this
time.
2. Change the SVC mode setting in sound set-up to Mid (see page 23-164).
 With navigation: Replace the navigation unit (see page 23-355).
 Without navigation: Replace the audio unit (see page 23-256).
Improper SVC setting for customers sound
taste. 1. Check the audio information on the display panel.
Go to step 2.
Go to power switch will not turn ON (see page
23-202).
2. Operate the tuning knob to see if the radio station changes.
Intermittent failure: the tuning knob is OK at
this time.
 With navigation: Replace the navigation unit (see page 23-355).
 Without navigation: Replace the audio unit (see page 23-256).
I s t he v ol ume l ev el t oo hi gh, or t oo l ow ?
I s t he v ol ume l ev el st i l l t oo hi gh, or t oo l ow ? Does the audio inf ormation display properly?
Does t he r ad i o st at i on change?
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Navigation unit button illumination does not
work (with navigation)
YES
NO
YES
NO YES
NO
YES
NO
23-225
NAVIGATION UNIT CONNECTOR A (24P)
ILL (RED)
GAUGE CONTROL MODULE (TACH) 36P CONNECTOR ILL (RED)
NAVIGATION UNIT CONNECTOR A (24P) ILL (GRY)NOTE: Check the vehicle battery condition first.
 Check the connectors for poor connections or loose terminals.
1. Turn the ignition switch to ON (II).
2. Turn the combination lighting switch to the parking light position.
3. Check the illumination of the navigation unit buttons.
Intermittent problem: the navigation unit is
OK at this time. Check for loose or poor
connections at the navigation unit connector A
(24P).
Go to step 4.
4. Check the illumination of several other buttons not related to navigation system.
Go to step 5.
Troubleshoot the interior lights. Start by
checking the No. 14 (7.5 A) fuse in the under-dash
fuse/relay box. If the fuse is OK, check for an open
in the wire between the under-dash fuse/relay box
and the navigation unit.
5. Turn the ignition switch to LOCK (0).
6. Disconnect navigation unit connector A (24P). NOTE: Eject all the discs before removing the navigation unit to prevent damaging the CD player’s load
mechanism.
 Remove the PC card before removing the navigation unit.
7. Disconnect gauge control module (tach) 36P connector. 8. Check for continuity between navigation unit
connector A (24P) terminal No. 1 and gauge control
module (tach) 36P connector terminal No. 14.
Go to step 9.
Repair open in the wire between the gauge
control module and the navigation unit.
9. Turn the ignition switch to ON (II).
10. With the headlight switch still on, measure the voltage between navigation unit connector A (24P)
terminal No. 13 and body ground.
Check the connections at navigation unit
connector A (24P). If all connections are OK, replace
the navigation unit (see page 23-355).
Repair open in the wire between the under-
dash fuse/relay box and the navigation unit.
Wire side of female terminals
Wire side of female terminals
Wire side of female terminalsAre the buttons illuminated? Are the buttons illuminated? Is there continuity?
Is there battery voltage?
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Audio unit button illumination does not
work (without navigation)
YES
NO
YES
NO YES
NO
YES
NO
23-226Audio System
Symptom Troubleshooting (cont’d)
AUDIO UNIT CONNECTOR A (17P)
ILL (RED)
GAUGE CONTROL MODULE (TACH) 36P CONNECTOR ILL (RED)
AUDIO UNIT CONNECTOR A (17P) ILL (GRY)NOTE: Check the vehicle battery condition first.
 Check the connectors for poor connections or loose terminals.
1. Turn the ignition switch to ON (II).
2. Turn the combination lighting switch to the parking light position.
3. Check the illumination of the audio unit buttons.
Intermittent problem: the audio unit is OK at
this time. Check for loose or poor connections at
the audio unit connector A (17P).
Go to step 4.
4. Check the illumination of several other buttons not relatedtotheaudiosystem.
Go to step 5.
Troubleshoot the interior lights. Start by
checking the No. 14 (7.5 A) fuse in the under-dash
fuse/relay box. If the fuse is OK, check for an open
in the wire between the under-dash fuse/relay box
and the audio unit.
5. Turn the ignition switch to LOCK (0).
6. 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.
7. Disconnect gauge control module (tach) 36P connector. 8. Check for continuity between audio unit connector
A (17P) terminal No. 1 and gauge control module
(tach) 36P connector terminal No. 14.
Go to step 9.
Repair open in the wire between the gauge
control module and the audio unit.
9. Turn the ignition switch to ON (II).
10. With the headlight switch still on, measure the voltage between audio unit connector A (17P)
terminal No. 10 and body ground.
Check the connections at audio unit
connector A (17P). If all the connections are OK,
replace the audio unit (see page 23-256).
Repair open in the wire between the under-
dash fuse/relay box and the audio unit.
Wire side of female terminals
Wire side of female terminals
Wire side of female terminals
Are the buttons illuminated? Are the buttons illuminated? Is there continuity?
Is there battery voltage?
08/08/21 14:10:50 61SNR030_230_0229
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Audio disc does not load Audio disc does not eject
YES
NO
YES
NO YES
NO
YES
NO
23-22823-228Audio System
Symptom Troubleshooting (cont’d)
NOTE:
 Check the vehicle battery condition first.
 Check the connectors for poor connections or loose terminals.
 Disc labels should not be used in the navigation unit or audio unit. They may damage the player
mechanism.
 Make sure the disc is compatible with the system (see the owner’s manual for more information).
1. Insert a known-good disc to see if the symptom can be duplicated.
Operation is normal. If the disc loads
normally, but will not play, go to audio disc does
not play (see page 23-229).
Go to step 2.
2. Insert another disc.
The original disc is faulty.
 With navigation: Replace the navigation unit (see page 23-355).
 Without navigation: Replace the audio unit (see page 23-256). NOTE:
 Check the vehicle battery condition first.
 Check the connectors for poor connections or loose terminals.
 Disc labels should not be used in the navigation unit or audio unit. They may damage the player
mechanism.
1. Turn on the audio system.
Go to step 2.
Go to power switch will not turn ON (see page
23-202).
2. Check to see if the disc ejects correctly with no binding by pushing the EJECT button.
Operation is normal.
 With navigation: Replace the navigation unit (see page 23-355).
 Without navigation: Replace the audio unit (see page 23-256).
Does t he d i sc l oad ?
Does t he d i sc l oad ? Does the system turn on?
Does the disc eject normally?
08/08/21 14:10:51 61SNR030_230_0231
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