Audio System Symptom Troubleshooting - USB device does not function(With Touch Screen) (2016)

USB device does not function 

NOTE: 

• Check the vehicle battery condition first .
• If the center display unit displays an error message when you select the USB audio, follow the instructions .
• Check the USB's specifications:
• • -

    Mass-storage class ready digital audio player with USB 2.0 port

  • -

    More than 256 MB storage space

  • -

    Supports MP3, WMA, and AAC (encoded with the iTunes) 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 client's USB device in a known-good vehicle of the same year and trim (if possible). Technologies change and are updated frequently which may result that USB devices may work in newer vehicles, but not in older vehicles of the same model.
• Make sure the USB device is connected directly to the USB port. Do not use a USB hub.
• If Unsupported appears on the display, the vehicle is OK, there is a software problem with the USB device.
• Check the connectors for poor connections or loose terminals.

1. Determine possible failure area (USB device, others)

   -1. 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.

   Does the USB device work properly in the known-good vehicle (same year/trim)?

   YES 

   Go to step 2.

   NO 

   See the Owner's Manual for details about the USB device requirements and approved file types.

2. Problem verification

   -1. On the client's vehicle, connect the client's USB device to the USB port located in the center console.

   -2. Press the engine start/stop button to select the ON mode.

   -3. Check the USB device operation on the client's vehicle.

   Does the USB device work properly on the client's vehicle?

   YES 

   Intermittent failure, the system is OK at this time. Inspect the connectors of the USB device, USB port and USB adapter for wear.

   NO 

   The failure is duplicated, go to step 3.

3. System Diagnostic Mode check:

   With the USB device connecting, go into the System Diagnostic Mode, and use the System Links to check the USB icon status:

   • With navigation
   • Without navigation

   Is the USB icon green?

   YES: With navigation

   Replace the audio-navigation unit .

   YES: Without navigation

   Replace the audio unit .

   NO: with navigation

   Go to Navigation DTC 2710 (USB Cable Diag) troubleshooting .

   NO: without navigation

   Go to step 4.

4. Open wire check (USB lines)

   -1. Press the engine start/stop button to select the OFF mode.

   -2. Disconnect the USB device from the USB port.

   -3. Disconnect the following connector.

   Audio unit connector K (5P)

   -4. Check for continuity between test points 1 and 2.

   Test condition	OFF mode
   	Audio unit connector K (5P): disconnected

   Test circuit	Test point 1:Audio unit connector K (5P)	Test point 2:USB port 5P connector
   USB GND	No. 1	No. 4
   USB DATA+	No. 2	No. 3

   Test circuit	Test point 1:Audio unit connector K (5P)	Test point 2:USB port 5P connector
   USB DATA	No. 3	No. 2
   USB VBUS	No. 4	No. 1

   Courtesy of HONDA, U.S.A., INC.

   Courtesy of HONDA, U.S.A., INC.

   Is there continuity?

   YES 

   Replace the audio unit .

   NO 

   There is an open in the wire(s) between the audio unit and the USB port. Replace the affected shielded harness or the USB adapter .