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Radio preset memory is lost Volume does not change
YES
NO
YES
NO YES
NO
YES
NO
23-5423-54Audio System
Symptom Troubleshooting (cont’d)
NOTE: If only the XM stations are lost, go to XM radio
preset memory is lost (see page 23-71).
1. Set each of the radio station preset buttons.
Go to step 2.
With navigation: Replace the navigation unit (see page 23-155).
Without navigation: Replace the audio unit (see page 23-80).
2. Turn the ignition switch to LOCK (0) for 1 minute, then turn it back to ON (II).
3. Test the preset buttons for proper recall operation.
System is normal at this time. Check the
connections at the navigation unit or audio unit.
With navigation: Replace the navigation unit (see page 23-155).
Without navigation: Replace the audio unit (see page 23-80). 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.
1. Listen for sound from the speakers.
Go to step 2.
Go to audio system sound is weak or
distorted, or no sound is heard from speaker(s)
(see page 23-39).
2. Operate the volume knob to see if the volume changes.
Operation is normal.
With navigation: Replace the navigation unit (see page 23-155).
Without navigation: Replace the audio unit (see page 23-80).
Do each of t he but t ons set pr oper l y ?
Do the preset buttons recall the set radio stations? I s t he sound nor mal ?
Does t he v ol ume change?
08/08/21 14:04:44 61SNR030_230_0057
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Volume does not increase with speed (with
navigation)
YES
NO
YES
NO
YES
NO YES
NO
23-55
VSP (BLU)
NAVIGATION UNIT CONNECTOR A (17P)
NOTE:
Check the vehicle battery condition first.
Check the connectors for poor connections or loose terminals.
1. Verify the SVC mode setting in the navigation unit sound set-up.
Change the setting to Mid and retest
(see page 23-6).
Go to step 2.
2. Do the self-diagnostic function for the vehicle speed pulse indication (see page 23-23).
Substitute a known-good navigation unit
(see page 23-155), and retest. If the symptom/
indication goes away, replace the original
navigation unit.
Go to step 3.
3. Test-drive the vehicle at highway speeds, and monitor if the volume increases.
Intermittent failure, the system is OK at this
time.
Go to step 4. 4. Remove the navigation unit (see page 23-155), and
disconnect navigation unit connector A (17P).
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.
5. Drive the vehicle, and have an assistant measure voltage at navigation unit connector A (17P)
terminal No. 13.
Replace the navigation unit (see page 23-155).
Repair open or shorts in the wire between
navigation unit connector A (17P) terminal No. 13
and ECM/PCM connector A (44P) terminal No. 29. If
no opens or shorts are found, Update the ECM/
PCM (see page 11-227) if it does not have the latest
software or substitute a known-good ECM/PCM
(see page 11-228).
Wire side of female terminals
Is the SVC set to off?
Does t he sel f -d i agnost i c f unct i on i nd i cat e a V SPsi gnal ?
Do t he v ol ume i ncr ease? Is there a 0 5 V Pulse?
08/08/21 14:04:45 61SNR030_230_0058
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DYNOMITE -2009-
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Volume does not increase with speed
(without navigation)
YES
NO
YES
NO
YES
NO YES
NO
23-56Audio System
Symptom Troubleshooting (cont’d)
AUDIO UNIT CONNECTOR A (17P)
VSP (BLU)
NOTE: Check the vehicle battery condition first.
Check the connectors for poor connections or loose terminals.
1. Test-drive the vehicle at highway speeds, and monitor if the volume increases.
Intermittent failure, the system is OK at this
time.
Go to step 2.
2. Verify the SVC mode setting in the audio unit sound set-up.
Change the setting to Mid, and retest
(see page 23-6).
Go to step 3.
3. Do the self-diagnostic function for the vehicle speed pulse indication (see page 23-23).
Substitute a known-good audio unit and
retest. If the symptom/indication goes away,
replace the original audio unit.
Go to step 4. 4. Remove the navigation unit (see page 23-80), and
disconnect navigation unit connector A (17P).
NOTE: Eject all the discs before removing the audio
unit to prevent damaging the CD player’s load
mechanism.
5. Drive the vehicle, and have an assistant measure voltage at audio unit connector A (17P) terminal
No. 13.
Replace the audio unit (see page 23-80).
Repair open or shorts in the wire between
audio unit connector A (17P) terminal No. 13 and
ECM/PCM connector A (44P) terminal No. 29. If no
opens or shorts are found, Update the ECM/PCM
(see page 11-227) if it does not have the latest
software or substitute a known-good ECM/PCM
(see page 11-228).
Wire side of female terminals
Does t he v ol ume i ncr ease?
Is the SVC set to off?Does t he sel f -d i agnost i c f unct i on i nd i cat e a V SPsi gnal ? Is there a 0 5 V Pulse?
08/08/21 14:04:45 61SNR030_230_0059
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Volume is too high or too low when driving
at freeway speeds Radio tuner does not change stations
YES
NO
YES
NO YES
NO
YES
NO
23-5723-57
NOTE:
Check the vehicle battery condition first.
Check the connectors for poor connections or loose terminals.
1. Test-drive the vehicle at highway speeds, and monitor volume level.
Go to step 2.
Intermittent failure, the system is OK at this
time.
2. Change the SVC mode setting in sound set-up to Mid (see page 23-6).
With navigation: Replace the navigation unit (see page 23-155).
Without navigation: Replace the audio unit (see page 23-80).
Improper SVC setting for customers sound
taste. 1. Check the audio information on the display panel.
Go to step 2.
Go to power switch will not turn on (see page
23-35).
2. Operate the tuning knob to see if the radio station changes.
Intermittent failure: the tuning knob is OK at
this time.
With navigation: Replace the navigation unit (see page 23-155).
Without navigation: Replace the audio unit (see page 23-80).
I s t he v ol ume l ev el t oo hi gh, or t oo l ow ?
I s t he v ol ume l ev el st i l l t oo hi gh, or t oo l ow ? Does the audio inf ormation display properly?
Does t he r ad i o st at i on change?
08/08/21 14:04:45 61SNR030_230_0060
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Navigation unit button illumination does not
work (with navigation)
YES
NO
YES
NO YES
NO
YES
NO
23-58Audio System
Symptom Troubleshooting (cont’d)
NAVIGATION UNIT CONNECTOR A (17P)
ILL (RED)
GAUGE CONTROL MODULE (TACH) 36P CONNECTOR ILL (RED)
NAVIGATION UNIT CONNECTOR A (17P) ILL (GRY)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. Turn the combination lighting switch to the parking light position.
3. Check the illumination of the navigation unit buttons.
Intermittent problem: the navigation unit is
OK at this time. Check for loose or poor
connections at navigation unit connector A (17P).
Go to step 4.
4. Check the illumination of several other buttons not related to the navigation system.
Go to step 5.
Troubleshoot the interior lights. Start by
checking the No. 14 (7.5 A) fuse in the under-dash
fuse/relay box. If the fuse is OK, check for an open
in the wire between the under-dash fuse/relay box
and the navigation unit.
5. Turn the ignition switch to LOCK (0).
6. Disconnect navigation unit connector A (17P). 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.
7. Disconnect gauge control module (tach) 36P connector. 8. Check for continuity between navigation unit
connector A (17P) terminal No. 1 and gauge control
module (tach) 36P connector terminal No. 14.
Go to step 9.
Repair open in the wire between the gauge
control module and the navigation unit.
9. Turn the ignition switch to ON (II).
10. With the headlight switch still on, measure the voltage between navigation unit connector A (17P)
terminal No. 10 and body ground.
Check the connections at navigation unit
connector A (17P). If all connections are OK, replace
the navigation unit (see page 23-155).
Repair open in the wire between the under-
dash fuse/relay box and the navigation unit.
Wire side of female terminals
Wire side of female terminals
Wire side of female terminalsAre the buttons illuminated?
Are the buttons illuminated? Is there continuity?
Is there battery voltage?
08/08/21 14:05:30 61SNR030_230_0061
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Audio unit button illumination does not
work (without navigation)
YES
NO
YES
NO YES
NO
YES
NO
23-59
AUDIO UNIT CONNECTOR A (17P)
ILL (RED)
GAUGE CONTROL MODULE (TACH) 36P CONNECTOR ILL (RED)
AUDIO UNIT CONNECTOR A (17P) ILL (GRY)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. Turn the combination lighting switch to the parking light position.
3. Check the illumination of the audio unit buttons.
Intermittent problem: the audio unit is OK at
this time. Check for loose or poor connections at
the audio unit connector A (17P).
Go to step 4.
4. Check the illumination of several other buttons not relatedtotheaudiosystem.
Go to step 5.
Troubleshoot the interior lights. Start by
checking the No. 14 (7.5 A) fuse in the under-dash
fuse/relay box. If the fuse is OK, check for an open
in the wire between the under-dash fuse/relay box
and the audio unit.
5. Turn the ignition switch to LOCK (0).
6. 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.
7. Disconnect gauge control module (tach) 36P connector. 8. Check for continuity between audio unit connector
A (17P) terminal No. 1 and gauge control module
(tach) 36P connector terminal No. 14.
Go to step 9.
Repair open in the wire between the gauge
control module and the audio unit.
9. Turn the ignition switch to ON (II).
10. With the headlight switch still on, measure the voltage between audio unit connector A (17P)
terminal No. 10 and body ground.
Check the connections at audio unit
connector A (17P). If all the connections are OK,
replace the audio unit (see page 23-80).
Repair open in the wire between the under-
dash fuse/relay box and the audio unit.
Wire side of female terminals
Wire side of female terminals
Wire side of female terminals
Are the buttons illuminated?
Are the buttons illuminated? Is there continuity?
Is there battery voltage?
08/08/21 14:05:31 61SNR030_230_0062
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Display does not dim or brighten with
dimmer (without navigation)
YES
NO
YES
NO
YES
NO YES
NO
23-60Audio System
Symptom Troubleshooting (cont’d)
AUDIO UNIT CONNECTOR A (17P)
ILL (GRY)
ILL (RED)
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. Turn the combination light switch ON and OFF to see if the symptom can be duplicated.
Go to step 3.
Operation is normal.
3. Turn the combination light switch to OFF.
4. Rotate the illumination control dial.
Operation is normal.
Go to step 5.
5. Disconnect, and check audio unit connector A (17P) for a loose or a poor connection.
NOTE: Eject all the discs before removing the audio
unit to prevent damaging the CD player’s load
mechanism.
Go to step 6.
Operation is normal.
6. Turn the ignition switch to LOCK (0).
7. Remove the audio unit (see page 23-80). 8. Turn the ignition switch to ON (II).
9. Measure the voltage between audio unit connector
A (17P) terminals No. 1 and No. 10. Rotate the dash
brightness controller buttons to see if the voltage
changes.
Substitute a known-good audio unit
(see page 23-80), and recheck. If the symptom/
indication goes away, replace the original audio
unit. If symptom is still present, substitute a known-
good center panel display and recheck. If the
symptom/indication goes away, replace the
original center panel display (see page 23-80).
Repair open in the wire between the under-
dash fuse/relay box and the gauge control
module.
Wire side of female terminals
Is it duplicated?
Does the illumination dim and brighten normally asy ou r ot at e t he d i al ?
Reconnect aud i o uni t connect or A ( 17 P), andr echeck t he sy mpt om; d oes i t st i l l appear ? Does t he v ol t age change?
08/08/21 14:05:31 61SNR030_230_0063
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Audio disc does not load Audio disc does not eject
YES
NO
YES
NO YES
NO
YES
NO
23-6123-61
NOTE:
Check the vehicle battery condition first.
Check the connectors for poor connections or loose terminals.
Disc labels should not be used in the navigation unit or audio unit. They may damage the player
mechanism.
Make sure the disc is compatible with the system (see the owner’s manual for more information).
1. Insert a known-good disc to see if the symptom can be duplicated.
Operation is normal. If the disc loads
normally, but will not play, go to audio disc does
not play (see page 23-62).
Go to step 2.
2. Insert another disc.
The original disc is faulty.
With navigation: Replace the navigation unit (see page 23-155).
Without navigation: Replace the audio unit (see page 23-80). NOTE:
Check the vehicle battery condition first.
Check the connectors for poor connections or loose terminals.
Disc labels should not be used in the navigation unit or audio unit. They may damage the player
mechanism.
1. Turn on the audio system.
Go to step 2.
Go to power switch will not turn ON (see page
23-35).
2. Check to see if the disc ejects correctly with no binding by pushing the EJECT button.
Operation is normal.
With navigation: Replace the navigation unit (see page 23-155).
Without navigation: Replace the audio unit (see page 23-80).
Does t he d i sc l oad ?
Does t he d i sc l oad ? Does the system turn on?
Does the disc eject normally?
08/08/21 14:05:31 61SNR030_230_0064
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