Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
USB device does not function (with navigation)
- Check the vehicle battery condition first (see 12 VOLT BATTERY TEST ).
- Check the connectors for poor connections or loose terminals.
- Check the USB device compatibility:
- Mass-storage class ready digital audio player with USB 2.0 port
- More than 256 MB of RAM
- Supports MP3, WMA, and AAC (encoded with the i-Tunes) files, DRM files are not supported
- Not all players and player functions work with the USB adapter. Please see the owner's manual for more information. Always test the customers 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 USB devices working in newer vehicles, but not in older vehicles of the same model.
- Turn the ignition switch to ON (II).
- Turn on the audio-navigation unit.
- Press the AUX button to select USB mode.NOTE: Do not connect the USB device at this time.
Is NO DATA displayed in the navigation display?
YES -go to step 4.
NO -go to step 15.
- Turn the ignition switch to LOCK (0).
- Connect the customer'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 -go to step 6.
NO -lf the audio-navigation unit displays UNSUPPORTED, the USB device may not be supported or the wrong type music files are on the device. If the audio-navigation unit displays NO SONG, the USB device may have no music files. See the owner's manual for details on USB device requirements and approved file types.
- On the customer's vehicle, connect the customer's USB device to the USB adapter.
- Turn the ignition switch to ON (II).
- Turn on the audio switch.
- Check the USB device operation in the customer's vehicle.
Does the USB device work properly in the customer's vehicle?
YES -The system is OK at this time. Inspect the connectors of the USB device, USB cable and USB adapter for wear.
NO -go to step 10.
- Check the navigation system for hard error codes (see HOW TO CHECK ERROR HISTORY
).
Are there any DTCs related to the audio system?
YES -Do the appropriate DTC troubleshooting in the navigation section, and recheck.
NO -go to step 11.
- Turn the ignition switch to LOCK (0).
- On the customer's vehicle, remove the USB adapter.
- Disconnect USB adapter unit connector B (5P).
- Check for continuity between the terminals of USB adapter unit connector B (5P) and the USB adapter 5P connector according to the table.USB ADAPTER UNIT CONNECTOR CHART
USB adapter unit connector USB adapter cable connector B1 4 B2 3 B3 2 B4 1 B5 5
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.