Acura CSX. Manual — part 623
*06
SNR9ANGJ10300000000FAAT06
−
−
−
−
Audio unit power switch will not turn off
(with navigation)
YES
NO
YES
NO
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 terminals
Is the navigation unit OF F ?
Is ther e batter y voltage?
08/08/21 14:09:53 61SNR030_230_0208
*09
SNR9ANKJ10300000000FAAT07
SNR9ANGJ10300000000FAAT08
−
−
−
−
−
−
−
−
−
−
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
23-206
23-206
Audio System
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 audio unit OF F ?
Is ther e voltage?
Is the sound OK in each mode?
Is it at the MIN level?
Is the navigation talk command f unction set?
08/08/21 14:09:54 61SNR030_230_0209
+
−
+
−
+
−
+
−
*07
−
−
−
−
−
−
−
−
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)
according to the table.
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).
Wire side of female terminals
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
?
Is ther e about 4
?
08/08/21 14:09:54 61SNR030_230_0210
+
−
+
−
+
−
+
−
*08
*09
+
−
−
−
−
Speaker
Terminal
Wire color
YES
NO
YES
NO
23-208
Audio System
NAVIGATION UNIT CONNECTOR A (24P)
STEREO AMPLIFIER CONNECTOR A (20P)
B AUDIO
AMP
(LT GRN)
13. Check for continuity between body ground and the
following terminals of navigation unit connector A
(24P).
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
Repair short to body ground in the wire(s)
between the navigation unit and the speaker(s).
Substitute a known-good navigation unit
(see page 23-355), and recheck. If the symptom/
indication goes away, replace the original
navigation unit.
14. Measure the voltage between stereo amplifier
connector A (20P) terminal No. 10 and body ground.
Go to step 15.
Repair open in the wire between the No. 17
(15 A) fuse in the under-hood fuse/relay box and
stereo amplifier connector A (20P) terminal
No. 10.
Wire side of female terminals
Wire side of female terminals
Is ther e continuity?
Is ther e batter y voltage?
08/08/21 14:10:45 61SNR030_230_0211
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