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 12 Volt 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 troubleshooting Symptom Troubleshooting.

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

Is 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-navigation unit connector E (14P).

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













Is there continuity?

YES -

Go to step 8.

NO -

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

8. Check for continuity between body ground and audio-navigation unit connector E (14P) terminals No. 9 and No. 10 individually.





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 9.

9. Check for continuity between the terminals of audio-navigation unit connector E (14P) 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 shielded harness.

NO -

Substitute a known-good HandsFreeLink control unit, Service and Repair and recheck. If the symptom goes away, replace the original HandsFreeLink control unit Service and Repair. If the symptom/indication is still present, replace the audio-navigation unit Audio-Navigation Unit Removal/Installation.