USB Input Sound Is Low or Cannot Be Heard (With Navigation)

Audio System Symptom Troubleshooting - USB input sound is low or cannot be heard

USB input sound is low or cannot be heard (with navigation)

NOTE:

- Check the vehicle battery condition first Testing and Inspection.
- Check the connectors for poor connections or loose terminals.
- Not all players and player functions work with the USB adapter. Please see the Owner's Manual for more information. Always test the clients USB device in a known-good vehicle of the same year and trim (if possible). Technologies change and are updated frequently which may result in that USB devices may work in newer vehicles, but not in older vehicles of the same model.

1. Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.

2. Do the Speaker Check Mode with the Self-Diagnostic Mode.

Do all speakers make a sound?

YES -

Go to step 3.

NO -

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

3. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.

4. On the client's vehicle, connect the client's USB device to the USB port.

5. Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.

6. Turn on the audio system.

7. Press the HDD/AUX button until USB appears on the audio display.

8. Check if the USB device can be operated with the audio-navigation unit (Folders or Files UP/DOWN, etc.).

Can you operate the USB device, but there is no sound heard?

YES -

Go to step 9.

NO -

If the sound is normal, the USB device is OK at this time. If the USB device cannot be operated, go to USB device does not function troubleshooting USB Device Does Not Function (With Navigation).�

9. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.

10. Connect the client's USB device to a known-good vehicle (same year/trim) that is equipped with a USB adapter, and check the USB device operation.

Is the USB device working properly in the known-good vehicle?

YES -

Replace the audio-navigation unit Audio-Navigation Unit Removal/Installation (With Navigation).�

NO -

USB device is faulty or not compatible. Also check the USB adapter and USB adapter connector condition.�