Symptom Troubleshooting

Symptom Troubleshooting: The HFL system does not recognize all voice prompts

The HFL system does not recognize all voice prompts

1. Connect the HDS to the DLC.

2. Clear the DTCs with the HDS.

3. Turn the ignition switch to LOCK (0), and then to ON (II).

4. Check for DTCs.

Are there any DTCs indicated?
YES - Repair the indicated DTCs.

NO - Go to step 5.


5. Check if the problem is duplicated.

Can the client's problem be duplicated?
YES - Go to step 6.

NO - The system is OK at this time. Ask the client to demonstrate the problem.


6. Check if the navigation system can recognize for voice prompts.

Can the voice prompts be recognized?
YES - Go to step 7.

NO - Refer to the navigation system troubleshooting.


7. Pair the client's phone to a known-good vehicle, and try to duplicate the problem.

Can you duplicate the problem?
YES - Call the HFL support desk and inquire if there are any known issues for the problem. If there are no known issues, explain to the client this is a system characteristic and cannot be improved at this time.

NO - Substitute a known-good HFL/navigation microphone. If the problem is still present, substitute a known-good HandsFreeLink control unit. If the problem goes away, replace the original HFL/navigation microphone.