ignition ACURA CSX 2006 Service Repair Manual

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Display does not dim or brighten with
dimmer (without navigation)
YES
NO
YES
NO
YES
NO YES
NO
23-227
AUDIO UNIT CONNECTOR E (14P)
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 light switch ON and OFF to see if the symptom can be duplicated.
Go to step 3.
Operation is normal.
3. Turn the combination light switch to OFF.
4. Rotate the illumination control dial.
Operation is normal.
Go to step 5.
5. Disconnect, and check audio unit connector A (17P) for a loose or a poor connection.
NOTE: Eject all the discs before removing the audio
unit to prevent damaging the CD player’s load
mechanism.
Go to step 6.
Operation is normal.
6. Turn the ignition switch to LOCK (0).
7. Remove the audio unit (see page 23-256). 8. Turn the ignition switch to ON (II).
9. Measure the voltage between audio unit connector
A (17P) terminals No. 1 and No. 10. Rotate the dash
brightness controller buttons to see if the voltage
changes.
Substitute a known-good audio unit
(see page 23-256), and recheck. If the symptom/
indication goes away, replace the original audio
unit. If symptom is still present, substitute a known-
good center panel display and recheck. If the
symptom/indication goes away, replace the
original center panel display (see page 23-256).
Repair open in the wire between the under-
dash fuse/relay box and the gauge control
module.
Wire side of female terminals
Is it duplicated?
Does the illumination dim and brighten normally asy ou r ot at e t he d i al ?
Reconnect aud i o uni t connect or A ( 17 P), andr echeck t he sy mpt om; d oes i t st i l l appear ? Does t he v ol t age change?
08/08/21 14:10:51 61SNR030_230_0230
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USB input sound is low or cannot be heard
(with navigation)
YES
NO
YES
NO
YES
NO Navigation unit connector Wire color
YES
NO From terminal To terminals
YES
NO
23-235
NAVIGATION UNIT CONNECTOR E (14P)
NAVIGATION UNIT CONNECTOR E (14P)
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. Do the speaker check mode with the self-diagnostic mode.
Go to step 3.
Go to no sound is heard from speaker(s).
3. Turn the ignition switch to LOCK (0).
4. Connect the client’s USB device to a known-good vehicle that equipped with the USB adapter, and
check the USB device operation.
Go to step 5.
USB device is faulty. Also check the USB
cable and USB adapter connector condition.
5. On the client’s vehicle, connect the client’s USB device to the USB adapter.
6. Turn the ignition switch to ON (II) and turn on the navigation unit.
7. Check if the USB device can be operated with the navigation unit (Folders or Files UP/DOWN, etc.).
Go to step 8.
If the sound is normal, the USB device is OK
at this time. If the USB device cannot be operated,
go to USB audio device does not work.
8. Turn the ignition switch to LOCK (0).
9. Disconnect navigation unit connector E (14P).
10. Disconnect USB adapter unit connector A (14P).
11. Disconnect XM receiver connector A (14P). 12. Check for continuity between the terminal of
navigation unit connector E (14P) and body ground
accordingtothetable.
E5 WHT
E6 RED
E13 BLK
E14 GRN
Short to body ground in the wire(s) between
the navigation unit and the USB adapter unit.
Replace the affected shielded harness. Go to step 13.
13. Check for continuity between terminals of navigation unit connector E (14P) according to the
table.
E4 (GRY) E5 (WHT), E6 (RED), E13 (BLK), E14 (GRN)
E5 (WHT) E6 (RED), E13 (BLK), E14 (GRN)
E6 (RED) E13 (BLK), E14 (GRN)
E13 (BLK) E14 (GRN)
Short in the wires between the navigation
unit and the USB adapter unit. Replace the affected
shielded harness. Go to step 14.
(cont’d)
Wire side of female terminals
Wire side of female terminals
Do al l speak er s mak e a sound ?
Is the USB device working properly?
Can y ou oper at e t he U SB d ev i ce, but t her e i s nosound hear d ? Is there continuity?
I s t her e cont i nui t y bet w een any of t he t er mi nal s?
08/08/21 14:10:52 61SNR030_230_0238
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Navigation
unit connector USB adapter
unit connector Wire color
YES
NO YES
NO
YES
NO
YES
NO
USB input sound is low or cannot be heard
(without navigation)
23-23623-236Audio System
Symptom Troubleshooting (cont’d)
NAVIGATION UNIT CONNECTOR E (14P)
USB ADAPTER UNIT CONNECTOR A (14P)
14. Check for continuity between navigation unit connector E (14P) and USB adapter unit connector
A (14P) according to the table.
E5 A5 WHT
E6 A6 RED
E13 A13 BLK
E14 A14 GRN
Substitute a known-good USB adapter unit
(see page 23-258), then reconnect all of the
connectors and recheck. If the symptom/indication
goes away, replace the original USB adapter unit. 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 USB adapter unit. Replace affected
shielded harness. 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. Do the speaker check mode with the self-diagnostic mode.
Go to step 3.
Go to no sound is heard from speaker(s).
3. Turn the ignition switch to LOCK (0).
4. Connect the client’s USB device to a known-good vehicle that equipped with the USB adapter and
check the USB device operation.
Go to step 5.
USB device is faulty. Also check the USB
cable and USB adapter connector condition.
5. On the client’s vehicle, connect the client’s USB device to the USB adapter.
6. Turn the ignition switch to ON (II), and turn on the audio unit.
7. Check if the USB device can be operated with the audio unit (Folders or Files UP/DOWN, etc.).
Go to step 8.
If the sound is normal, the USB device is OK
at this time. If the USB device cannot be operated,
go to USB audio device does not work.
8. Turn the ignition switch to LOCK (0).
9. Disconnect audio unit connector E (14P).
10. Disconnect USB adapter unit connector A (14P).
Wire side of female terminals
Wire side of female terminals
Is there continuity? Do al l speak er s mak e a sound ?
Is the USB device working properly?
Can y ou oper at e t he U SB d ev i ce, but t her e i s nosound hear d ?
08/08/21 14:10:52 61SNR030_230_0239
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USB device does not function (with
navigation)
YES
NO
YES
NO USB adapter unit
connector USB adapter
connector
YES
NO
YES
NO
YES
NO
23-238 Audio System
Symptom Troubleshooting (cont’d)
USB ADAPTER UNIT CONNECTOR B (5P)
USB ADAPTER 5P CONNECTOR
NOTE: Check the vehicle battery condition first.
 Check the connectors for poor connections or loose terminals.
 Check the USB device requirement: – Mass-storage class ready digital audio player with USB 2.0 port
– More than 256 MB of RAM
– Supports MP3, WMA, and AAC (encoded with the i- Tunes) files, DRM files are not supported
1. Turn the ignition switch to ON (II) and turn on the navigation unit.
2. Push the AUX button to select USB mode.
Go to step 3.
Go to step 7.
3. Turn the ignition switch to LOCK (0).
4. Connect the client’s USB device to a known-good vehicle that is equipped with the USB adapter and
check the USB device operation.
Go to step 5.
USB device is faulty. Also check the USB
cable and USB adapter connector condition.
5. Disconnect USB adapter unit connector B (5P). 6. Check for continuity between terminals of USB
adapter connector B (5P) and the USB adapter 5P
connector according to the table.
B1 1
B2 2
B3 3
B4 4
Replace the USB adapter unit (see page
23-258). Open in the wire(s) between the USB adapter
unit and the USB adapter. Replace the affected
shielded harness.
7. Check the XM operation on the navigation display.
Go to step 8.
Go to XM radio display is blank and no station
information is displayed troubleshooting.
8. Turn the ignition switch to LOCK (0).
9. Check that the navigation unit connectors and the USB adapter unit connectors properly connected.
Go to step 10.
Connect the connectors, and recheck.
Terminal side of female terminals
Terminal side of male terminals
Is USB NO DAT A displayed?
Is the USB device working properly? Is there continuity?
Ar e t he sy st em w or k i ng pr oper l y on t he nav i gat i onscr een?
I s t he connect or s pr oper l y connect ed ?
08/08/21 14:14:11 61SNR030_230_0241
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YES
NO
YES
NO YES
NO
YES
NO
23-239
USB ADAPTER UNIT CONNECTOR A (14P)
B(BLU)
USB ADAPTER UNIT CONNECTOR A (14P) GND (BLK) USB ADAPTER UNIT CONNECTOR A (14P)
SYS ACC (LT BLU)
NAVIGATION UNIT CONNECTOR E (14P) SYS ACC (LT BLU)
10. Measure the voltage between body ground andUSB adapter unit connector A (14P) terminal No. 1.
Go to step 11.
Repair open in the wire between the
navigation unit and the USB adapter unit.
11. Turn the ignition switch to ON (II).
12. Measure the voltage between body ground and USB adapter unit connector A (14P) terminal
No. 11.
Go to step 13.
Repair open or high resistance in the wire
between the navigation unit and the USB adapter
unit.
13. Turn the ignition switch to LOCK (0). 14. Measure the voltage between body ground and
USB adapter unit connector A (14P) terminal No. 2.
Go to step 16.
Go to step 15.
15. Measure the voltage between body ground and navigation unit connector E (14P) terminal No. 2.
Repair open or short in the wire(s) between
the navigation unit and the USB adapter unit.
Substitute a known-good navigation unit
(see page 23-355), and recheck. If 10 V or more are
present, replace the original navigation unit.
(cont’d)
Wire side of female terminals
Wire side of female terminals Wire side of female terminals
Wire side of female terminals
Is there battery voltage?
Is t her e l ess t han 0.1 V ? Is t her e 10 V or mor e pr esent ?
Is t her e 10 V or mor e pr esent ?
08/08/21 14:14:11 61SNR030_230_0242
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YES
NO Navigation
unit connector USB adapter
unit connector Wire color
YES
NO
23-240 Audio System
Symptom Troubleshooting (cont’d)
NAVIGATION UNIT CONNECTOR E (14P)
SYS ACC (LT BLU) NAVIGATION UNIT CONNECTOR E (14P)
USB ADAPTER UNIT CONNECTOR A (14P)
16. Turn the ignition switch to ON (II).
17. Measure the voltage between body ground and navigation unit connector E (14P) terminal No. 2.
Substitute a known-good navigation unit
(see page 23-355), and recheck. If 10 V or more are
present, replace the original navigation unit.
Go to step 18.
18. Turn the ignition switch to LOCK (0).
19. Disconnect navigation unit connector E (14P) and USB adapter unit connector A (14P). 20. Check for continuity between terminals of
navigation unit connector E (14P) and USB adapter
unit connector A (14P) according to the table.
E9 A9 BLU
E10 A10 PNK
Substitute a known-good USB adapter unit
(see page 23-258), then reconnect all of the
connectors and recheck. If the symptom/indication
goes away, replace the original USB adapter unit. 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 USB adapter unit. Replace the affected
shielded harness.
Wire side of female terminals Wire side of female terminals
Wire side of female terminals
Is t her e 10 V or mor e pr esent ? Is there continuity?
08/08/21 14:14:12 61SNR030_230_0243
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USB device does not function (without
navigation)
YES
NO
YES
NO USB adapter unit
connector USB adapter
connector
YES
NO
YES
NO
23-241
USB ADAPTER UNIT CONNECTOR B (5P) USB ADAPTER 5P CONNECTOR
NOTE: Check the vehicle battery condition first.
 Check the connectors for poor connections or loose terminals.
 Check the USB device requirement: – Mass-storage class ready digital audio player with USB 2.0 port
– More than 256 MB of RAM
– Supports MP3, WMA, and AAC (encoded with the i- Tunes) files, DRM files are not supported
1. Turn the ignition switch to ON (II) and turn on the audio unit.
2. Push the AUX button to select USB mode.
Go to step 3.
Go to step 7.
3. Turn the ignition switch to LOCK (0).
4. Connect the client’s USB device to a known-good vehicle that equipped with the USB adapter and
check the USB device operation.
Go to step 5.
USB device is faulty. Also check the USB
cable and USB adapter connector condition.
5. Disconnect USB adapter unit connector B (5P). 6. Check for continuity between terminals of USB
adapter connector B (5P) and the USB adapter 5P
connector according to the table.
B1 1
B2 2
B3 3
B4 4
Replace the USB adapter unit (see page
23-258).
Open in the wire(s) between the USB adapter
unit and the USB adapter. Replace the affected
shielded harness.
7. Turn the ignition switch to LOCK (0).
8. Check that the audio unit connectors and the USB adapter unit connectors properly connected.
Go to step 9.
Connect the connectors and recheck.
(cont’d)
Terminal side of female terminals
Terminal side of male terminalsIs USB NO DAT A displayed?
Is the USB device working properly? Is there continuity?
Ar e t he connect or s pr oper l y connect ed ?
08/08/21 14:14:12 61SNR030_230_0244
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YES
NO
YES
NO YES
NO
YES
NO
23-242Audio System
Symptom Troubleshooting (cont’d)
USB ADAPTER UNIT CONNECTOR A (14P)
B(BLU)
USB ADAPTER UNIT CONNECTOR A (14P) GND (BLK) USB ADAPTER UNIT CONNECTOR A (14P)
SYS ACC (LT BLU)
AUDIO UNIT CONNECTOR E (14P) SYS ACC (LT BLU)
9. Measure the voltage between body ground andUSB adapter unit connector A (14P) terminal No. 1.
Go to step 10.
Repair open in the wire between the audio
unit and the USB adapter unit.
10. Turn the ignition switch to ON (II).
11. Measure the voltage between body ground and USB adapter unit connector A (14P) terminal
No. 11.
Go to step 12.
Repair open or high resistance in the wire
between the audio unit and the USB adapter unit.
12. Turn the ignition switch to LOCK (0). 13. Measure the voltage between body ground and
USB adapter unit connector A (14P) terminal No. 2.
Go to step 15.
Go to step 14.
14. Measure the voltage between body ground and audio unit connector E (14P) terminal No. 2.
Repair open or short in the wire(s) between
the audio unit and the USB adapter unit.
Substitute a known-good audio unit (see page
23-256), and recheck. If 10 V or more are present,
replace the original audio unit.
Wire side of female terminals
Wire side of female terminals Wire side of female terminals
Wire side of female terminals
Is there battery voltage?
Is t her e l ess t han 0.1 V ? Is t her e 10 V or mor e pr esent ?
Is t her e 10 V or mor e pr esent ?
08/08/21 14:14:12 61SNR030_230_0245
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YES
NO YES
NO
23-243
AUDIO UNIT CONNECTOR E (14P)
SYS ACC (LT BLU) AUDIO UNIT CONNECTOR E (14P)
GA-NET BUS
(PNK)
GA-NET BUS
(BLU)
15. Turn the ignition switch to ON (II).
16. Measure the voltage between body ground and
audio unit connector E (14P) terminal No. 2.
Substitute a known-good audio unit
(see page 23-256), and recheck. If 10 V or more are
present, replace the original audio unit.
Go to step 17.
17. Turn the ignition switch to LOCK (0).
18. Disconnect audio unit connector E (14P) and USB adapter unit connector A (14P). 19. Check for continuity between body ground and
audio unit connector E (14P) terminals No. 9 and
No. 10 individually.
Short to body ground in the wires between
the audio unit and the USB adapter unit. Replace
the affected shielded harness.
Go to step 20.
(cont’d)
Wire side of female terminals Wire side of female terminals
Is t her e 10 V or mor e pr esent ?
Is there continuity?
08/08/21 14:14:13 61SNR030_230_0246
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YES
NO
YES
NO
YES
NO
YES
NO
23-246Audio System
Symptom Troubleshooting (cont’d)
XM RECEIVER CONNECTOR A (14P)
GA-NET
GND (BLK)
XM RECEIVER CONNECTOR A (14P) SYS ACC (LT BLU) XM RECEIVER CONNECTOR A (14P)
SYS ACC (LT BLU)
NAVIGATION UNIT CONNECTOR E (14P) GA-NET BUS
(WHT)
GA-NET BUS
(BLK)
4. Turn the ignition switch to ON (II).
5. Measure the voltage between XM receiver
connector A (14P) terminal No. 11 and body ground.
Go to step 6.
Repair open in the wire between the XM
receiver and the navigation unit.
6. Turn the ignition switch to LOCK (0).
7. Measure the voltage between XM receiver connector A (14P) terminal No. 2 and body ground.
Go to step 8.
Substitute known-good XM receiver
(see page 23-258), and recheck. If 10 V or more are
present, replace the original XM receiver.
8. Turn the ignition switch to ON (II). 9. Measure the voltage between XM receiver
connector A (14P) terminal No. 2 and body ground.
Go to step 10.
Substitute a known-good navigation unit
(see page 23-355), and recheck. If 0.5 V or less are
present, replace the original navigation unit.
10. Turn the ignition switch to LOCK (0).
11. Disconnect navigation unit connector E (14P), USB adapter unit connector A (14P), and XM receiver
connector A (14P).
12. Check for continuity between navigation unit connector E (14P) terminals No. 9 and No. 10 and
body ground individually.
Go to step 13.
Short to body ground in the wire between the
XM receiver and the navigation unit. Replace the
affected shielded harness.
Wire side of female terminals
Wire side of female terminals Wire side of female terminals
Wire side of female terminals
Is t her e l ess t han 0.1 V ? Is t her e 10 V or mor e pr esent ? Is t her e l ess t han 0.5 V ?
Is there continuity?
08/08/21 14:14:14 61SNR030_230_0249
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