2006 ACURA CSX lock

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YES
NO
YES
NO
YES
NO
YES
NO
Audio unit power switch will not turn on (No
information display and no sound)
(without navigation)
23-20323-203
NAVIGATION UNIT CONNECTOR A (24P)
RADIO GND (BLK)
11. Turn the ignition switch to ON (II).
12. Measure the voltage between navigation unitconnector A (24P) terminal No. 12 and body ground.
Replace the navigation unit (see page 23-355).
Repair open in the wire between navigation
unit connector A (24P) terminal No. 12 and body
ground (G 505) (see page 22-32). 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. Push the power switch ON to see if audio unit turns ON.
Intermittent failure, the system is OK at this
time.
Go to step 3.
3. Turn the ignition switch to LOCK (0).
4. Check the No. 23 (10 A) fuse in the under-hood fuse/relay box and the No. 35 (7.5 A) fuse in the
under-dash fuse/relay box.
Go to step 5.
Replace the fuse(s), and recheck.
5. Remove the audio unit (see page 23-256). Check that the audio unit is properly connected.
NOTE: Eject all the discs before removing the audio
unit to prevent damaging the CD player’s load
mechanism.
Go to step 6.
Reconnect the connector, and recheck the
function.
(cont’d)
Wire side of female terminals
I s t her e l ess t han 0.1 V on bot h t er mi nal s? Does t he aud i o uni t oper at e pr oper l y , and d oes t he
aud i o sound nor mal ?
Ar e t he f uses OK ?I s i t connect ed pr oper l y ?
08/08/21 14:09:53 61SNR030_230_0206
ProCarManuals.com
DYNOMITE -2009-

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YES
NO YES
NO
23-204Audio System
Symptom Troubleshooting (cont’d)
AUDIO UNIT CONNECTOR A (17P)
BBACKUP
(WHT)
ACC RADIO (PUR) AUDIO UNIT CONNECTOR A (17P)
RADIO GND (BLK)
6. Disconnect audio unit connector A (17P).
7. Turn the ignition switch to ON (II).
8. Measure the voltage between audio unit connectorA (17P) terminal No. 14 and body ground, and
between terminal No. 17 and body ground.
Go to step 9.
Repair open in the wire(s) between the No. 23
(10 A) fuse in the under-hood fuse/relay box and
No. 35 (7.5 A) in the under-dash fuse/relay box and
the audio unit.
9. Turn the ignition switch to LOCK (0).
10. Reconnect audio unit connector A (17P).
11. Turn the ignition switch to ON (II). 12. Measure the voltage between audio unit connector
A (17P) terminal No. 9 and body ground.
Replace the audio unit (see page 23-256).
Repair open in the wire between audio unit
connector A (17P) terminal No. 9 and body ground
(G505) (see page 22-38).
Wire side of female terminals Wire side of female terminals
Is there battery voltage on the both terminals?
Is t her e l ess t han 0.1 V ?
08/08/21 14:09:53 61SNR030_230_0207
ProCarManuals.com
DYNOMITE -2009-

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Audio unit power switch will not turn off
(with navigation)
YES
NO YESNO
23-205
NAVIGATION UNIT CONNECTOR A (24P)
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 navigation unit
turns OFF.
Operation is normal.
Go to step 3.
3. Turn the ignition switch to LOCK (0).
4. Remove the navigation unit (see page 23-355).
5. 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. 6. Measure the voltage between navigation unit
connector A (24P) terminal No. 14 and body ground.
Check for short to power on PUR wire.
Replace the navigation unit (see page 23-355).
Wire side of female terminalsI s t he nav i gat i on uni t OF F ? Is there battery voltage?
08/08/21 14:09:53 61SNR030_230_0208
ProCarManuals.com
DYNOMITE -2009-

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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
23-20623-206Audio System
Symptom Troubleshooting (cont’d)
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 23-256).
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 23-256). 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.
 Before performing symptom troubleshooting, do the power switch will not turn on troubleshooting
(see page 23-202).
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.
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 14:09:54 61SNR030_230_0209
ProCarManuals.com
DYNOMITE -2009-

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YES
NO
YES
NO
YES
NO
Speaker Terminal Wire color
YES
NO
23-207
NAVIGATION UNIT CONNECTOR A (24P)
5. Check to see if there is a specific speaker that has no sound.
Speaker(s) failed the test:
 If at least one speaker is OK, go to step 6.
 If all speakers fail to sound: – Type S model: Go to step 14.
– Except Type S model: Go to step 9.
Speakers all work, but sound quality is poor in
step 1.
 If sound is poor only with 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 is poor only with AM or FM, go to poor AM or FM radio reception or interference
(see page 23-196).
 If the sound is poor only with disc. – Try several known- good disc in the navigation
unit.
– If the sound quality is normal, the original disc is faulty.
– If the sound quality is still poor, replace the navigation unit.
 If the sound is poor in all modes, go to sound quality diagnosis (see page 23-251).
6. Turn the ignition switch to LOCK (0).
7. Remove the speaker(s) with no sound (see page 23-259), and disconnect its connector.
8. Check the speaker 2P connector for a loose or poor connection.
Go to step 9.
Operation is normal.
9. Make sure the ignition switch is in LOCK (0). 10. Measure the resistance between terminals No. 1
and No. 2 of the speaker connector.
 Type S model: Go to step 20.
 Except Type S model: Go to step 11. Faulty speaker(s).
11. Remove the navigation unit (see page 23-355). 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.
12. Measure the resistance between the following terminals of navigation unit connector A (24P)
accordingtothetable.
Driver’s door speaker,
Left tweeter A23 ( ) LT GRN
A22 ( ) PNK
Front passenger’s
door speaker,
Right tweeter A19 ( ) GRY
A18 ( ) BRN
Left rear speaker A11 ( ) YEL A10 ( ) BRN
Right rear speaker A7 ( ) BLU A6 ( ) ORN
Go to step 13.
Repair open or short in the wires between
navigation unit and the speaker(s).
(cont’d)
Wire side of female terminals
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 echeckthe symptom; does it still f ail? Is t her e about 4 ?
Is t her e about 4 ?
08/08/21 14:09:54 61SNR030_230_0210
ProCarManuals.com
DYNOMITE -2009-

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YES
NO
YES
NO YES
NO
23-209
STEREO AMPLIFIER CONNECTOR A (20P)
ACC RADIO (PUR)
STEREO AMPLIFIER CONNECTOR B (14P) AMP ON (LT BLU) STEREO AMPLIFIER CONNECTOR A (20P)
GND (BLK)
15. Turn the ignition switch to ON (II).
16. Measure the voltage between stereo amplifierconnector A (20P) terminal No. 9 and body ground.
Go to step 17.
Repair open in the wire between the No. 35
(7.5 A) fuse in the under-dash fuse/relay box and
stereo amplifier connector A (20P) terminal No. 9.
17. Measure the voltage between stereo amplifier connector B (14P) terminal No. 7 and body ground.
Go to step 18.
Repair open in the wire between the stereo
amplifier connector B (14P) terminal No. 7 and
navigation unit connector A (24P) terminal
No. 17. 18. Measure the voltage between stereo amplifier
connector A (20P) terminal No. 20 and body ground.
Go to step 19.
Repair open in the wire between stereo
amplifier connector A (20P) terminal No. 20 and
body ground (G 601).
19. Turn the ignition switch to LOCK (0).
(cont’d)
Wire side of female terminalsWire side of female terminals Wire side of female terminals
Is there battery voltage?
Is there battery voltage? I s t her e l ess t han 0.1 V on bot h t er mi nal s?
08/08/21 14:10:46 61SNR030_230_0212
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DYNOMITE -2009-

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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
23-215
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 23-203).
 For vehicles with factory installed audio, do the self- diagnostic function, speaker check (see page 23- 192)
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 23-192).
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 23-199).
 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 23-251).
4. Turn the ignition switch to LOCK (0). 5. Remove the speaker(s) with no sound (see page
23-259), 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 23-259), 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 23-256). 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.
(cont’d)
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 14:10:47 61SNR030_230_0218
ProCarManuals.com
DYNOMITE -2009-

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Auxiliary input sound is low or cannot be
heard
YES
NO
YES
NO
YES
NO YES
NO
Navigation unit connector Wire color
YES
NO
23-217
NAVIGATION UNIT CONNECTOR B (24P)
NOTE:  Check the vehicle battery condition first.
 Check the connectors for poor connections or loose terminals.
 Use auxiliary stereo cables with 3.5 mm ends only.
 Auxiliary accessories may be played on the audio unit using the auxiliary input.
1. Turn the ignition switch to ON (II).
2. Turn on the audio unit or navigation unit and connect an aux iliary accessory to the auxiliary
input jack.
3. Check the volume operation.
Operation is normal at this time.
Go to step 4.
4. Make sure the auxiliary accessory volume to max.
Go to step 5.
Raise the auxiliary accessory volume is set to
high. Make sure the audio unit volume is turned
down before retesting.
5. Substitute a known-good aux iliary audio accessory
and/or auxiliary stereo cable, and recheck.
Original auxiliary audio accessory or
auxiliary stereo cable is faulty.
Go to step 6.
6. Turn the ignition switch to LOCK (0). 7. Remove the auxiliary jack assembly (see page
23-261), and check that the auxiliary jack assembly
is properly connected.
 With navigation: go to step 8.
 Without navigation: go to step 13. Reconnect the connector, and recheck the
function.
8. Disconnect aux iliary jack assembly 5P connector.
9. Disconnect navigation unit connector B (24P).
10. Check for continuity between body ground and navigation unit connector B (24P) according to the
table.
B1 BRN
B3 BLU
B13 YEL
B14 GRN
B15 WHT
Short to body ground in the wire(s) between
the navigation unit and the auxiliary jack assembly.
Replace the affected shielded harness.
Go to step 11.
(cont’d)
Wire side of female terminals
I s t he sound nor mal ?Isthevolumeset tohigh?
Does the auxiliary audio accessory operatepr oper l y ? Is the auxiliary jack assembly c
onnect ed
pr oper l y ?
Is there continuity?
08/08/21 14:10:48 61SNR030_230_0220
ProCarManuals.com
DYNOMITE -2009-