Symptom Troubleshooting

HandsFreeLink System Symptom Troubleshooting - Bluetooth audio does not work

Bluetooth audio does not work (without 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 customer's phone is compatible with the Honda HFL system. See handsfreelink.Honda.com for more information.

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

2. Turn on the audio system, and press the USB/AUX button to select Bluetooth audio source.

Does the audio system change to Bluetooth audio source?

YES -

Go to step 3.

NO -

Go to step 4.

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 No sound when Bluetooth audio is used Symptom Troubleshooting.

4. Do the HFL Self-Diagnostic Function, and check for HFL DTCs.

Are there any HFL DTCs indicated?

YES -

Troubleshoot the indicated HFL DTCs.

NO -

Go to step 5.

5. Turn the ignition switch to LOCK (0).

6. Disconnect the HandsFreeLink control unit 32P connector and audio unit connector C (14P).

7. Check for continuity between audio unit connector C (14P) and the HandsFreeLink control unit 32P connector according to the table.













Is there continuity?

YES -

- With USB adapter : Go to step 8.
- Without USB adapter : Go to step 11.

NO -

There is an open in the wire(s) between the audio unit and the HandsFreeLink control unit. Replace the affected shielded harness.

8. Disconnect audio display-USB adapter control unit connector A (32P).

9. With XM receiver, disconnect XM receiver connector A (14P).

10. Check for continuity between body ground and audio unit connector C (14P) according to the table.









Is there continuity?

YES -

There is a short to body ground in the wire(s) between the audio unit and the HandsFreeLink control unit. Replace the affected shielded harness.

NO -

Go to step 11.

11. Check for continuity between the terminals of audio unit connector C (14P) according to the table.









Is there continuity between any of the terminals?

YES -

There is a short in the wires between the audio unit and the HandsFreeLink control unit. Replace the affected shielded harness.

NO -

Substitute known-good units one at a time in this order, and recheck the system:

- HandsFreeLink control unit Service and Repair.
- Audio display-USB adapter control unit Audio Display-USB Adapter Control Unit Removal/Installation.
- Audio unit Audio Unit Removal/Installation.
- XM receiver XM Receiver Removal/Installation.