Page 2609 of 2893

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DTC 1302:
YES
NO YES
NO
YES
NO
23-323
GPS Receiver Error 1
NOTE:
Check the vehicle battery condition first.
Before you troubleshoot, make sure to follow the general troubleshooting information (see page
23-266).
Make sure the vehicle is parked outside, away from buildings.
Aftermarket electronic devices located near the navigation unit or GPS antenna can potentially
interfere with the operation of the navigation system.
1. Clear the hard error code (see page 23-274).
2. Turn the ignition switch to LOCK (0), and then back to ON (II).
3. Check for the hard error code (see page 23-273).
Go to step 4.
Intermittent failure, the system is OK at this
time. 4. Turn the ignition switch to LOCK (0).
5. Check for poor connections or loose terminals at
the navigation unit connector H (2P).
6. Clear the hard error code (see page 23-274).
7. Turn the ignition switch to LOCK (0), and then back to ON (II).
8. Check for the hard error code (see page 23-273).
Go to step 9.
Intermittent failure, the system is OK at this
time.
9. Turn the ignition switch to LOCK (0).
10. Replace a known-good GPS antenna (see page 23-358).
11. Turn the ignition switch to ON (II).
12. Clear the hard error code (see page 23-274).
13. Turn the ignition switch to LOCK (0), and then back to ON (II).
14. Check for the hard error code (see page 23-273).
Replace the original GPS antenna.
Replace the navigation unit (see page 23-355).
Is DTC 1302 indicated? Is DTC 1302 indicated?
Is DT C 1301 ind icated ?
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Page 2610 of 2893

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DTC 1303: DTC 1305:
YES
NO YES
NO
23-32423-324Navigation System
DTC Troubleshooting (cont’d)
GPS Receiver Error 2
Gyro Error 2: ECU Temp XX °C
NOTE:
Check the vehicle battery condition first.
Before you troubleshoot, make sure to follow the general troubleshooting information (see page
23-266).
Make sure the vehicle is parked outside and away from buildings.
Aftermarket electronic devices located near the navigation unit or GPS antenna can potentially
interfere with the operation of the navigation system.
1. Clear the hard error code (see page 23-274).
2. Turn the ignition switch to LOCK (0), and then back to ON (II).
3. Check for the hard error code (see page 23-273).
Replace the navigation unit (see page 23-355).
Intermittent failure, the system is OK at this
time. NOTE:
Check the vehicle battery condition first.
Before you troubleshoot, make sure to follow the general troubleshooting information (see page
23-266).
Make sure the vehicle is parked outside and away from buildings.
Aftermarket electronic devices located near the navigation unit or GPS antenna can potentially
interfere with the operation of the navigation system.
Do this test only when the dash temperature is between 20 °C ( 4 °F) and 70 °C (158 °F).
1. Clear hard error code (see page 23-274).
2. Turn the ignition switch to LOCK (0), and then back to ON (II).
3. Check for the hard error code (see page 23-273).
Replace the navigation unit (see page 23-355).
Intermittent failure, the system is OK at this
time.
Is DTC 1303 indicated?
Is DTC 1304 indicated?
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Page 2611 of 2893

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DTC 1306: DTC 1307:
YES
NO
YES
NO YES
NO
YES
NO
23-32523-325
Vehicle Speed Pulse
DVD Read Error
NOTE:
Check the vehicle battery condition first.
Before you troubleshoot, make sure to follow the general troubleshooting information (see page
23-266).
1. Clear the hard error code (see page 23-274).
2. Turn the ignition switch to LOCK (0), and then start the engine.
3. Check for the hard error code (see page 23-273).
Go to step 4.
Intermittent failure, the system is OK at this
time.
4. Drive the vehicle and watch the VSP signal.
Replace the navigation unit (see page 23-355).
Do the symptom troubleshooting for vehicle
position icon constantly leaves road, moves
erratically or is very far from actual position
(see page 23-344). NOTE:
Check the vehicle battery condition first.
Check any official Honda service website for more information about the navigation system.
Before you troubleshoot, make sure to follow the general troubleshooting information (see page
23-266).
Inspect the navigation DVD for scratches or damage.
1. Turn the ignition switch to ON (II).
Go to DVD screen error messages (see page
23-319).
Go to step 2.
2. Clear the heard error code (see page 23-274).
3. Turn the ignition switch to LOCK (0), then back to ON (II).
4. Check for the hard error code (see page 23-273).
Replace the navigation unit (see page 23-355).
Intermittent failure, the system is OK at this
time.
Is DTC 1306 indicated?
Does t he V SP si gnal change f r om 0 t o 1as you drive? Is there a DVD error message?
Is DTC 1307 indicated?
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Page 2612 of 2893

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DTC 1402: DTC 1409:
YES
NO YES
NO
23-32623-326Navigation System
DTC Troubleshooting (cont’d)
Audio Error 2
Audio Error 9
NOTE:
Check the vehicle battery condition first.
Before you troubleshoot, make sure to follow the general troubleshooting information (see page
23-266).
1. Clear the hard error code (see page 23-274).
2. Turn the ignition switch to LOCK (0), and then back to ON (II).
3. Check for the hard error code (see page 23-273).
Check if the audio unit functions are working
properly. If any problems are found, go to the
applicable troubleshooting in audio section.
Intermittent failure, the system is OK at this
time. NOTE:
Check the vehicle battery condition first.
Before you troubleshoot, make sure to follow the general troubleshooting information (see page
23-266).
1. Clear the hard error code (see page 23-274).
2. Turn the ignition switch to LOCK (0), and then back to ON (II).
3. Check for the hard error code (see page 23-273).
Check the XM error codes (see page 23-194).
If any codes are detected, go to the applicable
troubleshooting in audio (XM) section.
Intermittent failure, the system is OK at this
time.
I s DT C 1402 i nd i cat ed ? I s DT C 1409 i nd i cat ed ?
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Page 2613 of 2893

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DTC 2607:
YES
NO YES
NO
23-327
NAVIGATION UNIT CONNECTOR E (14P)
GA-NET
BUS
(BLU) GA-NET
BUS
(PNK)
JUMPER WIRE
XM Diag
NOTE: Before you troubleshoot, make sure to follow the
general troubleshooting information (see page 23- 266).
1. Clear the hard error code (see page 23-274).
2. Turn the ignition switch to LOCK (0), and then back ON (II).
3. Go into the Diagnostic Menu, and select the Self- Diagnosis Mode in the Select Diagnosis Items
menu (see page 23-297).
4. Check the System Links.
Go to step 5.
Intermittent failure, the system is OK at this
time.
5. Turn the ignition switch to LOCK (0). 6. Check for poor connections or loose terminals at
navigation unit connector E (14P), USB adapter unit
connector A (14P), and XM receiver connector A
(14P).
Go to step 7.
Repair poor connections or loose terminals,
and recheck the self-diagnosis mode (see page
23-297).
7. Disconnect navigation unit connector E (14P) and XM receiver connector A (14P).
8. Connect navigation unit connector E (14P) terminals No. 9 and No. 10 with a jumper wire.
(cont’d)
Wire side of female terminals
Is the X M icon red? Ar e t he connect i ons OK ?
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Page 2614 of 2893

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YES
NO
YES
NO YES
NO
23-328Navigation System
DTC Troubleshooting (cont’d)
XM RECEIVER CONNECTOR A (14P)
GA-NET
BUS
(BLU) GA-NET
BUS
(PNK)
NAVIGATION UNIT CONNECTOR E (14P) GA-NET
BUS
(BLU) GA-NET
BUS
(PNK) NAVIGATION UNIT CONNECTOR E (14P)
GA-NET
BUS
(BLU) GA-NET
BUS
(PNK)
9. Check for continuity between XM receiver
connector A (14P) terminals No. 9 and No. 10.
Go to step 10.
Open in the wire between the navigation unit
and the XM receiver. Replace the affected shielded
harness.
10. Disconnect the jumper wire.
11. Disconnect USB adapter unit connector A (14P).
12. Check for continuity between navigation unit connector E (14P) terminals No. 9 and No. 10.
Short in the wire(s) between GA-NET ( ) and
( ) wire. Replace the affected shielded harness.
Go to step 13. 13. Check for continuity between body ground and
navigation unit connector E (14P) terminals No. 9
and No. 10 individually.
Short to body ground in the wire(s) between
the navigation unit, the USB adapter unit, and the
XM receiver. Replace the affected shielded
harness.
Go to step 14.
14. Reconnect the all connectors, then turn the ignition switch to ON (II).
15. Go into the Diagnostic Menu, and Select the Self- Diagnosis Mode in the Select Diagnosis Items
Menu (see page 23-297).
Wire side of female terminals
Wire side of female terminals Wire side of female terminals
Is there continuity?
Is there continuity? Is there continuity?
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Page 2615 of 2893

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YES
NO
YES
NO
YES
NO YES
NO
DTC 2609:
23-32923-329
16. Check the System Links.
Go to step 17.
Intermittent failure, the system is OK at this
time.
17. Turn the ignition switch to LOCK (0).
18. Disconnect USB adapter unit connector A (14P), and then turn the ignition switch to ON (II).
19. Go into the Diagnostic Menu, and Select the Self- Diagnosis Mode in the Select Diagnosis Items
Menu (see page 23-297).
20. Check the System Links.
Go to step 21.
Internal short circuit in the USB adapter
unit.
21. Turn the ignition switch to LOCK (0).
22. Connect USB adapter unit connector A (14P).
23. Disconnect XM receiver connector A (14P), and then turn the ignition switch to ON (II).
24. Go into the Diagnostic Menu, and Select the Self- Diagnosis Mode in the Select Diagnosis Items
Menu (see page 23-297).
25. Check the System Links.
Replace the navigation unit (see page 23-355).
Replace the XM receiver (see page 23-258). NOTE: Before you troubleshoot, make sure to follow the
general troubleshooting information (see page 23-266).
1. Clear the hard error code (see page 23-274).
2. Turn the ignition switch to LOCK (0), and then back to ON (II).
3. Go into the Diagnostic Menu, and Select the Self- Diagnosis Mode in the Select Diagnosis Items
Menu (see page 23-297).
4. Select the System Links, then select the ECU Info.
Intermittent failure, the system is OK at this
time.
Replace the navigation unit (see page 23-355).VRAM Diag
Is the X M icon red?
Is the X M icon red?
Is the X M icon red? I s V -RAM OK i nd i cat ed ?
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DTC 2610: DTC 2701:
YES
NO
YES
NO
YES
NO
23-33023-330Navigation System
DTC Troubleshooting (cont’d)
DRAM Diag
GPS Diag: Antenna
NOTE:
Check the vehicle battery condition first.
Before you troubleshoot, make sure to follow the general troubleshooting information (see page
23-266).
1. Clear the hard error code (see page 23-274).
2. Turn the ignition switch to LOCK (0), and then back to ON (II).
3. Go into the Diagnostic Menu, and Select the Self- Diagnosis Mode in the Select Diagnosis Items
Menu (see page 23-297).
4. Select the System Links, then select the ECU Info.
Intermittent failure, the system is OK at this
time.
Replace the navigation unit (see page 23-355). NOTE:
Check the vehicle battery condition first.
Before you troubleshoot, make sure to follow the general troubleshooting information (see page
23-266).
Make sure the vehicle is parked outside, away from buildings.
Check for electronic aftermarket accessories (possibly hidden) mounted near the GPS antenna or
the navigation unit.
1. Clear the hard error code (see page 23-274).
2. Turn the ignition switch to LOCK (0), and then back to ON (II).
3. Go into the Diagnostic Menu, and Select the Self- Diagnosis Mode in the Select Diagnosis Items
Menu (see page 23-297).
4. Select the System Links, then select the GPS Ant.
Intermittent failure, the system is OK at this
time.
Go to step 5.
5. Turn the ignition switch to LOCK (0).
6. Check for poor connections at navigation unit connector H (2P).
Replace the GPS antenna (see page 23-358).
Repair the poor connection.
I s D-RAM OK i nd i cat ed ?
Is Antenna OK indicated?
I s t he connect i on OK ?
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