Manufacturer Code Charts: 2601
Navigation System DTC Troubleshooting: 2601
DTC 2601:
Display Diag: Connect
NOTE:
- Check the vehicle battery condition first Testing and Inspection.
- This navigation DTC sets when a mechanical malfunction in the navigation display is detected. sets when a GA-Net bus problem is detected (open or short), or an internal ECU BUS circuit problem is detected (open or short).
- Check for B-CAN DTCs and resolve them before troubleshooting.
- Before you troubleshoot, make sure to follow the General Troubleshooting Information How to Troubleshoot the Navigation System.
1. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.
2. Go into the System Diagnostic Mode, and select the Self-Diagnosis Mode in the Select Diagnosis Items menu.
3. Check the System Links.
Is the Display icon red?
YES -
Go to step 4.
NO -
Intermittent failure, the system is OK at this time.�
4. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.
5. Check for poor connections or loose terminals at these items:
- Audio-navigation unit connector C (14P)
- HandsFreeLink control unit 28P connector
- AcuraLink control unit (XM receiver) connector A (32P) (USA models)
- XM receiver connector A (14P) (Canada models)
Are the connections OK?
YES -
Go to step 6.
NO -
Repair poor connections or loose terminals, and recheck the Self-Diagnosis Mode.�
6. Disconnect audio-navigation unit connector C (14P) and the navigation display unit 32P connector.
7. Connect audio-navigation unit connector C (14P) terminals No. 9 and No. 10 with jumper wires.
8. Check for continuity between navigation display unit 32P connector terminals No. 24 and No. 25.
Is there continuity?
YES -
Go to step 9.
NO -
There is an open in the wire(s) between the navigation display and the audio-navigation unit. Replace the affected shielded harness.�
9. Disconnect the jumper wires.
10. Disconnect these items:
- HandsFreeLink control unit 28P connector
- AcuraLink control unit connector A (32P) (USA models)
- XM receiver connector A (14P) (Canada models)
11. Check for continuity between navigation display unit 32P connector terminals No. 24 and No. 25.
Is there continuity?
YES -
There is a short in the wires between the GA-NET (+) wire and the GA-NET (-) wire. Replace the affected shielded harness.�
NO -
Go to step 12.
12. Check for continuity between body ground and navigation display unit 32P connector terminals No. 24 and No. 25 individually.
Is there continuity?
YES -
There is a short to body ground in the wire(s) between the navigation display unit and the audio-navigation unit. Replace the affected shielded harness.�
NO -
Go to step 13.
13. Check for continuity between the terminals of navigation display unit 32P connector according to the table.
Is there continuity between any of the terminals?
YES -
There is a short in wires between the navigation display unit and the audio-navigation unit. Replace the affected shielded harness.�
NO -
Go to step 14.
14. Reconnect the all connectors, then turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.
15. Go into the System Diagnostic Mode, and select the Self-Diagnosis Mode in the Select Diagnosis Items menu.
16. Check the System Links.
Is the Display icon red?
YES -
Go to step 17.
NO -
Intermittent failure, the system is OK at this time.�
17. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.
18. Disconnect AcuraLink control unit (XM receiver connector A (32P) (USA models) or XM receiver connector A (14P) (Canada models).
19. Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.
20. Go into the System Diagnostic Mode, and Select the Self-Diagnosis Mode in the Select Diagnosis Items Menu.
21. Select the Display.
Is the Display icon red?
YES -
Go to step 22.
NO -
Replace the AcuraLink control unit (XM receiver) AcuraLink Control Unit (XM Receiver) Removal/Installation or the XM receiver XM Receiver Removal/Installation (Without AcuraLink (Except USA Models With Navigation)).�
22. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.
23. Remove the center console panel Center Console Panel Removal/Installation.
24. Disconnect the HandsFreeLink control unit 28P connector.
25. Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.
26. Go into the System Diagnostic Mode, and Select the Self-Diagnosis Mode in the Select Diagnosis Items Menu.
27. Select the Display.
Is the Display icon red?
YES -
Go to step 28.
NO -
Replace the HandsFreeLink control unit Service and Repair.�
28. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.
29. Substitute a know-good navigation display unit Service and Repair.
30. Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.
31. Go into the System Diagnostic Mode, and Select the Self-Diagnosis Mode in the Select Diagnosis Items Menu.
32. Select the Display.
Is the Display icon red?
YES -
Replace the audio-navigation unit Audio-Navigation Unit Removal/Installation (With Navigation).�
NO -
Replace the original navigation display unit Service and Repair.�