Bluetooth Audio Does Not Work (With Navigation)

HandsFreeLink System Symptom Troubleshooting - Bluetooth audio does not work

Bluetooth audio does not work

NOTE:
* Check the vehicle battery condition first Battery Test.
* 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. Determine possible failure area (HFL system, others) 1:

Determine possible failure area (HFL system, others) 1
-1. Turn the ignition switch to ON (II).

-2. Turn on the audio system, and press the AUDIO button to check if the multi-information display changes to the audio information screen.

Is the audio information displayed?
-YES- Go to step 2.
-NO- Go to Audio system information does not display on the multi-information display unit troubleshooting Audio System Information Does Not Display On The Multi-Information Display (With Navigation).

2. Determine possible failure area (HFL system, others) 2:

Determine possible failure area (HFL system, others) 2
-1. Press the AUDIO button to check if the navigation display changes to the Bluetooth audio information screen.

Is the Bluetooth audio information displayed?
-YES- Go to step 3.
-NO- Go to step 4.

3. Problem verification:

Problem verification
-1. Pair an approved known-good cell phone with Bluetooth audio to the vehicle.

Can you pair an approved cell phone with Bluetooth audio?
-YES- Intermittent failure, the system is OK at this time, or there could be an issue with the customer's phone.
-NO- Go to Bluetooth cell phone cannot be paired troubleshooting Bluetooth Cell Phone Cannot Be Paired.

4. Open wire check (GA_BUS+ line, GA_BUS- line):

Open wire check (GA_BUS+ line, GA_BUS- line)
-1. Turn the ignition switch to LOCK (0).

-2. Disconnect the following connectors.





-3. Check for continuity between test points 1 and 2.














Is there continuity?
-YES- Go to step 5.
-NO- There is an open in the wire(s) between the HandsFreeLink control unit and the audio-navigation unit. Replace the affected shielded harness.

5. Audio-navigation unit check:

Audio-navigation unit check
-1. Substitute a known-good HandsFreeLink control unit Service and Repair, and recheck.

Does the symptom go away?
-YES- Replace the original HandsFreeLink control unit.
-NO- Replace the audio-navigation unit Audio-Navigation Unit Removal and Installation.