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. Initial Inspection and Diagnostic Overview

2. Clear the DTCs with the HDS.

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

4. Check for DTCs with the HDS.

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 voice prompts.

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

NO - Refer to the Navigation System Troubleshooting. Symptom 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 at 888-528-7876, 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 front HFL-navigation-ANC/active sound control microphone. Service and Repair If the problem goes away, replace the original HFL-navigation-ANC/active sound control microphone. If the problem is still present, replace the HandsFreeLink control unit. Service and Repair