Acura CSX. Manual — part 582
*22
*23
−
−
−
−
Stereo amplifier connector
Wire color
YES
NO
Navigation
unit connector
Stereo
amplifier
connector
Wire color
YES
NO
23-45
STEREO AMPLIFIER CONNECTOR B (14P)
STEREO AMPLIFIER CONNECTOR B (14P)
NAVIGATION UNIT CONNECTOR A (17P)
27. 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. 5 (the
harness shield).
B4
BLU
B11
PNK
Short in the wire between the stereo
amplifier and the navigation unit. Replace the
affected shielded harness.
Go to step 28.
28. Check for continuity between navigation unit
connector A (17P) and stereo amplifier connector B
(14P) according to the table.
A7
B11
PNK
A15
B4
BLU
Go to step 29.
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 terminals
Wire side of female terminals
Is ther e continuity?
Is ther e continuity?
08/08/21 14:04:42 61SNR030_230_0048
*24
*25
−
−
−
−
Stereo amplifier connector
Wire color
YES
NO
Navigation
unit connector
Stereo
amplifier
connector
Wire color
YES
NO
23-46
Audio System
STEREO AMPLIFIER CONNECTOR B (14P)
STEREO AMPLIFIER CONNECTOR B (14P)
NAVIGATION UNIT CONNECTOR A (17P)
29. 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. 9 (the
harness shield).
B3
BLK
B10
WHT
Short in the wire between the stereo
amplifier and the navigation unit. Replace the
affected shielded harness.
Go to step 30.
30. Check for continuity between navigation unit
connector A (17P) and stereo amplifier connector B
(14P) according to the table.
A2
B10
WHT
A11
B3
BLK
Go to step 31.
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 terminals
Wire side of female terminals
Is ther e continuity?
Is ther e continuity?
08/08/21 14:04:42 61SNR030_230_0049
*26
*27
−
−
−
−
Amplifier connector
Wire color
YES
NO
Navigation
unit connector
Stereo
amplifier
connector
Wire color
YES
NO
23-47
STEREO AMPLIFIER CONNECTOR B (14P)
STEREO AMPLIFIER CONNECTOR B (14P)
NAVIGATION UNIT CONNECTOR A (17P)
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 (17P) and stereo amplifier connector B
(14P) according to the table.
A8
B13
PUR
A16
B6
LT GRN
Substitute a known-good navigation unit
(see page 23-155), 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
23-83).
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 terminals
Wire side of female terminals
Is ther e continuity?
Is ther e continuity?
08/08/21 14:04:43 61SNR030_230_0050
SNR9ANJJ10300000000FAAT09
−
−
−
−
−
−
−
−
No sound is heard from the speaker(s)
(display is normal) (without navigation)
YES
NO
YES
NO
YES
NO
YES
NO
23-48
Audio System
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 it at MIN level?
Do any or all of the speaker s f ail to sound?
Reconnect the speaker 2P connector , and r echeck
the symptom; does it still f ail?
Is ther e about 4
?
08/08/21 14:04:43 61SNR030_230_0051
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