Acura CSX. Manual — part 634
*51
SNR9ANGJ10300000000FAAT37
−
−
−
−
Poor or no sound with XM radio (Audio unit
does display XM channels) (with navigation)
YES
NO
XM receiver connector
Wire color
YES
NO
23-249
XM RECEIVER CONNECTOR A (14P)
NOTE:
• Check the vehicle battery condition first.
• Check the XM radio reception in an open area. Poor
reception/interference can be caused by nearby tall
buildings, mountains, or high-voltage power lines.
• Check the connectors for poor connections or loose
terminals.
• If you can only tune to channel 000, 001, 174, and 247,
make sure the navigation unit is set to channel mode
(see owner’s manual), if it is set to channel mode, call
XM Satellite Radio customer support, and check the
account activation status.
1. Turn the ignition switch to ON (II).
2. Turn on the navigation unit and select XM radio.
3. Check for an error message on the display.
Go to error code list (see page 23-194).
Go to step 4.
4. Turn the ignition switch to LOCK (0).
5. Disconnect navigation unit connector E (14P), USB
adapter unit connector A (14P), and XM receiver
connector A (14P).
6. Check for continuity between XM receiver
connector A (14P) and body ground according to
the table.
A5
WHT
A6
RED
A13
BLK
A14
GRN
Short to body ground in the wire(s) between
the navigation unit and the XM receiver. Replace
the affected shielded harness.
Go to step 7.
Wire side of female terminals
Ar e ther e any messages displayed?
Is ther e continuity?
08/08/21 14:14:14 61SNR030_230_0252
*52
*53
−
−
−
−
From terminal
To terminals
YES
NO
Navigation
unit connector
XM receiver
connector
Wire color
YES
NO
23-250
Audio System
XM RECEIVER CONNECTOR A (14P)
NAVIGATION UNIT CONNECTOR E (14P)
XM RECEIVER CONNECTOR A (14P)
7. Check for continuity between terminals of XM
receiver connector A (14P) according to the table.
A4 (GRY)
A5 (WHT), A6 (RED), A13
(BLK), A14 (GRN)
A5 (WHT)
A6 (RED), A13 (BLK), A14
(GRN)
A6 (RED)
A13 (BLK), A14 (GRN)
A13 (BLK)
A14 (GRN)
Short in the wires between the navigation
unit and the XM receiver. Replace the affected
shielded harness.
Go to step 8.
8. Check for continuity between navigation unit
connector E (14P) and XM receiver connector A
(14P) according to the table.
E5
A5
WHT
E6
A6
RED
E13
A13
BLK
E14
A14
GRN
Substitute a known-good XM receiver
(see page 23-258), then reconnect all of the
connectors and recheck. If the symptom/indication
goes away, replace the original XM receiver. 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 XM receiver. Replace the affected
shielded harness.
Wire side of female terminals
Wire side of female terminals
Wire side of female terminals
Is ther e continuity between any of the ter minals?
Is ther e continuity?
08/08/21 14:14:15 61SNR030_230_0253
SNR9A0DJ10300000000FEAT01
SNR9A0DJ10300000000FEAT02
Special Tools Required
Special Tools Required
Left/Right Channel ID
Phase Test
23-251
23-251
Sound Quality Diagnosis
Diagnostics CD 07AAZ-SDBA100
Use the following tests to check sound quality.
NOTE: Before beginning the following tests, write down
the client’s bass, treble, fader and balance settings, and
then set them to their center positions for testing.
Do this test to confirm proper channel routing.
1. Insert the diagnostics CD (T/N: 07AAZ-SDBA100)
into the navigation unit or audio unit.
2. Play track No. 1 (left, both, right channel ID) at a
normal, or slightly higher than normal, volume
level.
3. The voice should be audible only from the channel
or channels when indicated.
• If the channel ID is correct for each side, go to the
phase test.
• If the channel ID is not correct, check for;
– Shorted speaker wire
– Faulty amplifier (Type S model)
– Faulty navigation unit
– Faulty audio unit
Diagnostics CD 07AAZ-SDBA100
Do this test to confirm proper speaker phasing.
1. Insert the diagnostics CD (T/N: 07AAZ-SDBA100)
into the navigation unit or audio unit.
2. Play track No. 2 (phase) at a normal, or slightly
higher than normal, volume level.
3. The voice should sound centered and focused
when it is in-phase.
4. The voice should sound diffused, and have less
bass when it is out of phase.
• If the voice changes from in-phase to out of
phase as indicated by the prompt, the phasing is
correct. Go to electrical noise test.
• If the voice always sounds out of phase, phasing
is not correct. Check for;
– Crossed speaker wires
– Faulty amplifier (Type S model)
– Faulty navigation unit
– Faulty audio unit
08/08/21 14:14:15 61SNR030_230_0254
SNR9A0DJ10300000000FEAT00
Special Tools Required
Electrical Noise Test
23-252
Audio System
Diagnostics CD 07AAZ-SDBA100
Do this test to check for electrical noise being induced
into the audio system.
NOTE: Electrical noise may be caused by outside
sources that cannot be handled by the audio system.
Make sure you remove any cell phones and/or turn off
any aftermarket device before beginning this test.
1. Insert the diagnostics CD (T/N: 07AAZ-SDBA100)
into the navigation unit or audio unit.
2. Play track No. 4 (digital zero) at a normal, or slightly
higher than normal, volume level.
3. Operate any electrical device that may create
electrical noise in the audio system, including
starting the engine.
4. Play track No. 5 (near digital zero) at a normal, or
slightly higher than normal, volume level.
5. Operate any electrical device that may create
electrical noise in the audio system, including
starting the engine.
6. Play track No. 6 (SNR) at a normal, or slightly
higher than normal, volume level.
7. Operate any electrical device that may create
electrical noise in the audio system, including
starting the engine.
• If no abnormal noise is heard, go to individual
speaker test.
• If the noise is present only during the SNR track,
replace the navigation unit or audio unit.
• If the noise is heard during the digital zero or
near digital zero track, check for;
– Poor ground for the audio unit, amplifier,
engine or battery cable
– Pinched or shorted speaker or amplifier wire
– Faulty amplifier (Type S model)
– Faulty navigation unit
– Faulty audio unit
– Other faulty components causing excessive
electrical noise (ignition coils, alternator, door
lock actuators, etc.). Disconnect any suspect
components, and then replay the tracks that
were originally noisy. If the noise is gone,
check the component’s circuit and the
component.
08/08/21 14:14:15 61SNR030_230_0255
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