Symptom Troubleshooting

HandsFreeLink System Symptom Troubleshooting - Bluetooth audio does not work

Bluetooth audio does not work

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 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 unit, and press 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 unit Audio Unit Removal / Installation, and recheck. If the symptom/indication goes away, replace the original audio unit Audio Unit Removal / Installation.

3. Check if the Bluetooth audio device can be played.

Does the Bluetooth audio play?

YES -

Intermittent failure. The audio unit is OK at this time.

NO -

Go to step 4.

4. Check online at www.acura.com/handsfreelink or call the HFL support desk at 888-528-7876 to make sure the Bluetooth 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 the DTCs with the HDS.

Are there any DTCs indicated?

YES -

Go to indicated DTCs troubleshooting.

NO -

Go to step 10.

10. Go into the System Diagnostic Mode Navigation System Diagnostic Mode, and use the System Links.

Is the Display icon or Audio icon red?

YES -

Check for error code to the Error History.

NO -

Go to step 11.

11. Turn the ignition switch to ON (II).

12. Disconnect the navigation display unit 20P connector and HandsFreeLink control unit 28P connector.

13. Check for continuity between the navigation display unit 20P connector 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 -

Repair a short in the wire(s) between the HandsFreeLink control unit 28P connector and the navigation display unit. Replace the affected shielded harness.