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 Battery Test.
- 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.
- Make sure the client's phone is compatible with the Acura HFL system. See www.acura.com/handsfreelink for more information.
1. Turn the ignition switch to ON (II).
2. Turn on the audio system, and press the AUX button to select Bluetooth audio source.
Does the audio system 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, and recheck. If the symptom/indication goes away, replace the original audio-navigation unit Audio-Navigation Unit Removal/Installation.�
3. Check if the Bluetooth audio device can be played.
Does the Bluetooth audio play?
YES -
Intermittent failure, the system 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 -
The Bluetooth device is defective 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).
9. Check for DTCs.
Are there any DTCs indicated?
YES -
Troubleshoot the indicated DTCs.�
NO -
Go to step 10.
10. Turn the ignition switch to LOCK (0).
11. Disconnect audio-navigation unit connector C (14P) and the HandsFreeLink control unit 28P connector.
12. 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 13.
NO -
There is an open in the wire(s) between the audio-navigation unit and the HandsFreeLink control unit. Replace the affected shielded harness.�
13. Disconnect these items:
- Navigation display unit 28P connector
- AcuraLink control unit (XM receiver) connector A (32P) (with AcuraLink)
- XM receiver connector A (14P) (without AcuraLink)
14. Check for continuity between body ground and the HandsFreeLink control unit 28P connector according to the table.
Is there continuity?
YES -
There is a short to body ground in the wire(s) between the audio-navigation unit and the HandsFreeLink control unit. Replace the affected shielded harness.�
NO -
Go to step 15.
15. Check for continuity between the terminals of the HandsFreeLink control unit 28P connector according to the table.
Is there continuity between any of the terminals?
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 16.
16. Reconnect audio-navigation unit connector C (14P) and the HandsFreeLink control unit 28P connector.
17. Turn the ignition switch to ON (II).
18. Check if the Bluetooth device can be played.
Does the Bluetooth audio play?
YES -
There is an internal malfunction where the connector for either the Navigation display unit, AcuraLink control unit (XM receiver) (with AcuraLink) or the XM receiver (without AcuraLink) is connected.�
NO -
Go to step 19.
19. Turn the ignition switch to LOCK (0).
20. Disconnect the HandsFreeLink control unit 28P connector.
21. Reconnect the navigation display unit 28P connector, AcuraLink control unit (XM receiver) connector A (32P) (with AcuraLink) or XM receiver connector A (14P) (without AcuraLink).
22. Turn the ignition switch to ON (II).
23. Check for the navigation system hard error code.
Are there any navigation DTC's related to the Display or XM systems?
YES -
Substitute a known-good audio-navigation unit (including the HDD) Audio-Navigation Unit Removal/Installation, and recheck. If the symptom/indication goes away, replace the original audio-navigation unit Audio-Navigation Unit Removal/Installation.�
NO -
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.�