Symptom Troubleshooting

HandsFreeLink System Symptom Troubleshooting - No sound when Bluetooth audio is used

No sound when Bluetooth audio is used (with navigation)

NOTE:

- Check the vehicle battery condition first Battery Test.
- Set the fader and the balance positions to the center.
- Check if the cell phone with Bluetooth audio functions normally.
- Make sure the cell phone is properly paired.
- Make sure the customer's Bluetooth cell phone is compatible with the Honda HFL system.
- Check the connectors for poor connections or loose terminals.

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

2. Check that the audio system is operating normally, from different audio sources (AM/FM and CD) and the speaker sound levels are normal.

Does the audio system work normally and is the audio output from the speaker normal when playing various audio sources?

YES -

Go to step 3.

NO -

Go to No sound is heard from the speaker(s) No Sound Is Heard From The Speaker(s) (Display Is Normal) (With Navigation).

3. Pair a known-good Bluetooth audio device to the vehicle.

Can you pair the known-good Bluetooth audio device, and does it operate normally?

YES -

Go to Bluetooth cell phone cannot be paired Symptom Troubleshooting.

NO -

Go to step 4.

4. 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 -

The failure is duplicated, go to step 5.

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

6. Disconnect audio-navigation unit connector C (14P).

7. Disconnect the HandsFreeLink control 32P connector.

8. Check for continuity between body ground and the terminals of HandsFreeLink control unit 32P connector according to the table.









Is there continuity?

YES -

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

NO -

Go to step 9.

9. Check for continuity between the terminals of HandsFreeLink control unit 32P connector according to the table.









Is there continuity between any of the terminals?

YES -

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

NO -

Go to step 10.

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













Is there continuity?

YES -

Substitute a known-good HandsFreeLink control unit, and recheck. If the symptom goes away, replace the original HandsFreeLink control unit. If the symptom does not go away, replace the audio-navigation unit Audio-Navigation Unit Removal/Installation (With Navigation).

NO -

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