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Error code: XM NO SIGNAL or XM ANTENNA
is displayed (with navigation) XM radio display is blank and no station
information is displayed (with navigation)
YES
NO
YES
NO
YES
NO
YES
NO YES
NO
23-24523-245
XM RECEIVER CONNECTOR A (14P)
B(BLU)
NOTE: Check the vehicle battery condition first.
Check the connectors for poor connections or loose terminals.
Check XM radio reception in an open area. Poor reception/interference can be caused by tall buildings,
mountains, or high-voltage power lines.
1. Check that the XM receiver connectors properly connected.
Go to step 2.
Reconnect the connector. If the error message
does not go away, go to step 2.
2. Check the connector at the XM antenna and XM antenna lead.
Go to step 3.
Reconnect the connector. If the error message
does not go away, go to step 3.
3. Substitute known-good XM antenna (see page 23-264).
Replace the XM antenna (see page 23-264).
Go to step 4.
4. Substitute known-good XM receiver (see page 23-258).
Replace the XM receiver (see page 23-258).
Replace the XM antenna lead. NOTE:
Check the vehicle battery condition first.
Check the connectors for poor connections or loose terminals.
1. Disconnect XM receiver connector A (14P).
2. Measure the voltage between XM receiver connector A (14P) terminal No. 1 and body ground.
Go to step 3.
Repair open in the wire between the XM
receiver and the navigation unit connector.
3. Reconnect XM receiver connector A (14P).
(cont’d)
Wire side of female terminals
I s t he connect or connect ed ?I s t he connect or connect ed ?Is the error message gone?Is the error message gone? Is there battery voltage?
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DYNOMITE -2009-
Page 2530 of 2893

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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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Page 2531 of 2893

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From terminal To terminals
YES
NO Navigation
unit connector XM receiver
connector Wire color
YES
NO
23-247
XM RECEIVER CONNECTOR A (14P) NAVIGATION UNIT CONNECTOR E (14P)
XM RECEIVER CONNECTOR A (14P)
13. Check for continuity between XM receiver connector A (14P) according to the table.
A3 (BRN) A9 (BLU), A10 (PNK)A9 (BLU) A10 (PNK)
Short in the wire(s) between the navigation
unit and the XM receiver. Replace the affected
shielded harness.
Go to step 14. 14. Check for continuity between navigation unit
connector E (14P) and XM receiver connector A
(14P) according to the table.
E9 A9 BLU
E10 A10 PNK
Substitute a known-good XM receiver
(see page 23-258), then reconnect all connectors
and recheck. If the symptom/indication goes away,
replace the original XM receiver. If 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 affected shielded
harness.
Wire side of female terminals Wire side of female terminals
Wire side of female terminals
I s t her e cont i nui t y bet w een any of t he t er mi nal s? Is there continuity?
08/08/21 14:14:14 61SNR030_230_0250
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DYNOMITE -2009-
Page 2532 of 2893

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XM radio preset memory is lost (with
navigation)
YES
NO
YES
NO YES
NO
YES
NO
23-248Audio System
Symptom Troubleshooting (cont’d)
XM RECEIVER CONNECTOR A (14P)
B(BLU)
XM RECEIVER CONNECTOR A (14P) GND (BLK)NOTE: Check the vehicle battery condition first.
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 set each of the XM radio channel preset buttons.
Go to step 3.
Go to step 7.
3. Turn the ignition switch to LOCK (0) for 1 minute, then turn it back to ON (II).
4. Test all of the XM radio channel preset buttons for proper recall operation.
System is normal at this time. Check
connections at the navigation unit.
Go to step 5.
5. Turn the ignition switch to LOCK (0).
6. Disconnect XM receiver connector A (14P). 7. Measure the voltage between XM receiver
connector A (14P) terminal No. 1 and body ground.
Go to step 8.
Repair open in the wire between the
navigation unit and the XM receiver.
8. Reconnect XM receiver connector A (14P).
9. Measure the voltage between XM receiver connector A (14P) terminal No. 11 and body ground.
Substitute a known-good navigation unit
(see page 23-355), and recheck. If the symptom/
indication goes away, replace the navigation unit
(see page 23-355).
Repair open in the wire between the XM
receiver connector and the navigation unit.
Wire side of female terminals
Wire side of female terminals
Do each of t he X M r ad i o channel pr eset but t ons set pr oper l y ?
Do t he pr eset but t ons r ecal l t he r ad i o st at i ons? Is there battery voltage?
Is t her e l ess t han 0.1 V ?
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Page 2533 of 2893

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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.
(cont’d)
Wire side of female terminals
Ar e t her e any messages d i spl ay ed ? Is there continuity?
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Page 2534 of 2893

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From terminal To terminals
YES
NO Navigation
unit connector XM receiver
connector Wire color
YES
NO
23-250 Audio System
Symptom Troubleshooting (cont’d)
XM RECEIVER CONNECTOR A (14P)
NAVIGATION UNIT CONNECTOR E (14P)
XM RECEIVER CONNECTOR A (14P)
7. Check for continuity between terminals of XMreceiver 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
I s t her e cont i nui t y bet w een any of t he t er mi nal s? Is there continuity?
08/08/21 14:14:15 61SNR030_230_0253
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Page 2535 of 2893

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) Special Tools Required Special Tools Required
Left/Right Channel IDPhase Test
23-25123-251
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
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Page 2536 of 2893

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Special Tools Required
Electrical Noise Test
23-252
Audio System
Sound Quality Diagnosis (cont’d)
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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