USB Device Does Not Function (With Navigation)
Audio System Symptom Troubleshooting - USB device does not function (with navigation)
USB device does not function ('10 model with navigation)
NOTE:
- Check the vehicle battery condition first Testing and Inspection.
- 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.
1. Turn the ignition switch to ON (II).
2. Turn on the audio-navigation unit.
3. Press the AUDIO 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 18.
4. Turn the ignition switch to LOCK (0).
5. Connect the customer's USB device to a known-good vehicle (same year/trim) that is equipped with a USB adapter cable, and check the USB device operation.
Is the USB device working properly in the known-good vehicle?
YES -
Go to step 6.
NO -
If 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.�
6. On the customer's vehicle, connect the customer's USB device to the USB adapter cable.
7. Turn the ignition switch to ON (II).
8. Turn on the audio switch.
9. 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 cord and USB adapter for wear.�
NO -
Go to step 10.
10. Check the navigation system for hard error codes How To Troubleshoot The Navigation System.
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.
11. Turn the ignition switch to LOCK (0).
12. On the customer's vehicle, remove the USB device.
13. Turn the ignition switch to ON (II).
14. Turn the ignition switch to LOCK (0).
15. Disconnect USB adapter unit connector B (5P).
16. Check for continuity between the terminals of USB adapter unit connector B (5P) and the USB jack 5P connector according to the table.
Is there continuity?
YES -
Go to step 18.
NO -
Go to step 17.
17. Disconnect the USB adapter cable, and check for continuity between the terminals according to the table.
Is there continuity between all of the terminals?
YES -
Replace the USB adapter cable, and recheck.
NO -
Replace the USB cord, and recheck.
18. Turn the ignition switch to LOCK (0).
19. Disconnect the audio disc changer 13P connector and XM receiver connector A (14P).
20. Measure the voltage between USB adapter unit connector A (14P) terminal No. 1 and body ground.
Is there battery voltage?
YES -
Go to step 21.
NO -
Check for an open or a short to ground in the wire between the audio-navigation unit and the USB adapter unit. If the wire is OK, substitute a known-good audio-navigation unit Audio-Navigation Unit Removal/Installation, and recheck. If the symptom goes away, replace the original audio-navigation unit Audio-Navigation Unit Removal/Installation.�
21. Measure the voltage between USB adapter unit connector A (14P) terminal No. 2 and body ground.
Is there battery voltage?
YES -
Go to step 22.
NO -
Substitute a known-good USB adapter unit USB Adapter Unit Replacement, and recheck.�
22. Turn the ignition switch to ON (II).
23. Measure the voltage between USB adapter unit connector A (14P) terminal No. 2 and body ground.
Is there less than 2.0 V?
YES -
Go to step 28.
NO -
Go to step 24.
24. Turn the ignition switch to LOCK (0).
25. Remove the audio-navigation unit Audio-Navigation Unit Removal/Installation, and audio-navigation unit connector E (14P).
26. Disconnect USB adapter unit connector A (14P).
27. Check for continuity between USB adapter unit connector A (14P) terminal No. 2 and audio-navigation unit connector E (14P) terminal No. 2.
Is there continuity?
YES -
Substitute a known-good audio-navigation unit Audio-Navigation Unit Removal/Installation, reconnect all the connectors, and recheck.�
NO -
Repair an open in the wire between the USB adapter unit and the audio-navigation unit.�
28. Measure the voltage between USB adapter unit connector A (14P) terminal No. 11 and body ground.
Is there less than 0.2 V?
YES -
Go to step 29.
NO -
Repair an open or high resistance in the wire between the audio-navigation unit and the USB adapter unit.
29. Turn the ignition switch to LOCK (0).
30. Remove the audio-navigation unit Audio-Navigation Unit Removal/Installation, and audio-navigation unit connector E (14P).
31. Disconnect USB adapter unit connector A (14P).
32. Check for continuity between the terminals of audio-navigation unit connector E (14P) according to the table.
Is there continuity between any of the terminals?
YES -
There is a short in the wire(s) between the audio-navigation unit and the USB adapter unit. Replace the affected shielded harness.�
NO -
Go to step 33.
33. Check for continuity between the terminals of audio-navigation unit connector E (14P) and USB adapter unit connector A (14P) according to the table.
Is there continuity?
YES -
Substitute a known-good USB adapter unit USB Adapter Unit Replacement, then reconnect all of the connectors, and recheck. If the symptom/indication goes away, replace the original USB adapter unit USB Adapter Unit Replacement. If the symptom/ indication is still present, replace the audio-navigation unit Audio-Navigation Unit Removal/Installation.�
NO -
There is an open in the wire(s) between the audio-navigation unit and the USB adapter unit. Replace the affected shielded harness.�