Symptom Troubleshooting

HandsFreeLink System Symptom Troubleshooting - The HFL system does not recognize all voice prompts

The HFL system does not recognize all voice prompts

NOTE:

- Before doing this troubleshooting, refer to General Troubleshooting Information Initial Inspection and Diagnostic Overview to make sure the phone is compatible and configured correctly.
- Do this troubleshooting with the customer's phone.
- See Voice control tips and improving voice recognition to make sure the HFL system can understand the customer.

1. Connect the HDS to the DLC.

2. Clear the DTCs with the HDS.

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

4. Check for DTCs.

Are there any DTCs indicated?

YES -

Repair the indicated DTCs.�

NO -

Go to step 5.

5. Duplicate the customer's concern.

Can the customer's concern be duplicated?

YES -

Go to step 6.

NO -

The system is OK at this time. Ask the customer to refer to the owner's manual about improving voice recognition.�

6. Check if the navigation system can recognize voice recognition voice prompts correctly.

Can the navigation system correctly recognize voice prompts?

YES -

Go to step 7.

NO -

Refer to the navigation system troubleshooting.�

7. Pair the customer's phone to a known-good vehicle and try to duplicate the concern.

Can you duplicate the concern?

YES -

Call the HFL support desk, and inquire if there are any known issues for the concern. If there are no known issues, explain to the customer this is a system characteristic.�

NO -

Substitute a known-good front HFL-navigation-ANC microphone Service and Repair, and recheck. If the symptom/indication goes away, replace the original front HFL-navigation-ANC microphone Service and Repair. If the symptom is still present, substitute a known-good HandsFreeLink control unit Service and Repair, and recheck. If the symptom/indication goes away, replace the original HandsFreeLink control unit Service and Repair.�