Symptom Troubleshooting
HandsFreeLink System Symptom Troubleshooting - Bluetooth audio does not work
Bluetooth audio does not work (with navigation)
NOTE:
- Check the vehicle battery condition first Testing and Inspection.
- Check the connectors for poor connections or loose terminals.
- Check if the cell phone with Bluetooth audio functions normally.
- Make sure the cell phone is properly paired.
1. Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.
2. Turn on the audio unit, and press HDD/AUX button to select Bluetooth audio source.
Does it change to Bluetooth audio source?
YES -
Go to step 3.
NO -
Substitute a known-good audio-navigation unit (including the HDD) Audio-Navigation Unit Removal/Installation (With Navigation), and recheck. If the symptom/indication goes away, replace the original audio-navigation unit Audio-Navigation Unit Removal/Installation (With Navigation).�
3. Check if the Bluetooth audio device can be played.
Does the Bluetooth audio play?
YES -
Intermittent failure, the audio-navigation unit is OK at this time.�
NO -
Go to step 4.
4. Check online at www.acura.com/handsfreelink or call the HFL call center at 888-528-7876 to make sure the cell phone is compatible with the HFL system and that there are no known issues.
5. Pair and check the Bluetooth device function on a known-good vehicle equipped with Bluetooth audio.
Is the Bluetooth device normal?
YES -
Go to step 6.
NO -
Defective Bluetooth device or is not compatible.�
6. Connect the HDS to the DLC.
7. Clear the DTCs with the HDS.
8. Turn the ignition switch to LOCK (0) and then back to ON (II), or press the engine start/stop button to select the OFF mode and then the ON mode.
9. Check for DTCs.
Are there any DTCs indicated?
YES -
Repair the indicated DTCs.�
NO -
Go to step 10.
10. Check for the navigation system hard error codes.
Are there any DTC's related to the Display or XM systems?
YES -
Go to step 11.
NO -
Go to step 14.
11. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.
12. Disconnect audio-navigation unit connector C (14P) and the HandsFreeLink control unit 28P connector.
13. Check for continuity between audio-navigation unit connector C (14P) and the HandsFreeLink control unit 28P connector according to the table.
Is there continuity?
YES -
Substitute a known-good HandsFreeLink control unit Service and Repair, and recheck. If the symptom/indication goes away, replace the original HandsFreeLink control unit Service and Repair.�
NO -
There is an open in the wire(s) between the audio-navigation unit and the HandsFreeLink control unit. Replace the affected shielded harness.�
14. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.
15. Disconnect these items:
- Audio-navigation unit connector C (14P)
- AcuraLink control unit (XM receiver) connector A (32P) (USA models)
- XM receiver connector A (14P) (Canada models)
- Navigation display unit 32P connector
- HandsFreeLink control unit 28P connector
16. Check for continuity between the HandsFreeLink control unit 28P connector and body ground according to the table.
Is there continuity?
YES -
There is a short to body ground in the wire(s) between the audio-navigation unit, the AcuraLink control unit (XM receiver) or XM receiver, the navigation display unit, and the HandsFreeLink control unit. Replace the affected shielded harness.�
NO -
Go to step 17.
17. Check for continuity between audio-navigation unit connector C (14P) and the HandsFreeLink control unit 28P connector according to the table.
Is there continuity?
YES -
Go to step 18.
NO -
There is an open in the wire(s) between the audio-navigation unit and the HandsFreeLink control unit. Replace the affected shielded harness.�
18. Check for continuity between the terminals of the HandsFreeLink control unit 28P connector according to the table.
Is there continuity?
YES -
There is a short in the wires between the audio-navigation unit and the HandsFreeLink control unit. Replace the affected shield harness.�
NO -
Go to step 19.
19. Reconnect audio-navigation unit connector C (14P) and the HandsFreeLink control unit 28P connector.
20. Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.
21. Check if the Bluetooth device can be played.
Does the Bluetooth audio play?
YES -
Intermittent failure, the system is OK at this time. Check for loose or poor connections at the AcuraLink control unit (XM receiver), the XM receiver, or the navigation display unit.�
NO -
Go to step 22.
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. Reconnect AcuraLink control unit (XM receiver) connector A (32P) or XM receiver connector A (14P), the navigation display unit 32P connector, and the HandsFreeLink control unit 28P connector.
26. Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.
27. Check the operation of the reconnected unit.
Is the system normal?
YES -
Substitute a known-good HandsFreeLink control unit Service and Repair, and recheck. If the symptom/indication goes away, replace the original HandsFreeLink control unit Service and Repair.�
NO -
Substitute a known-good audio-navigation unit (including the HDD) Audio-Navigation Unit Removal/Installation (With Navigation), and recheck. If the symptom/indication goes away, replace the original audio-navigation unit Audio-Navigation Unit Removal/Installation (With Navigation).�