LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Honda >> 2012 >> Insight Base >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> Audio System >> Symptom Troubleshooting >> USB device does not function (without navigation)
April 5, 2026: LEMON Manuals is launched! Read the announcement.

USB device does not function (without navigation)

NOTE:
  • 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 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 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 unit.
  3. Press the AUX button to select USB mode.
    NOTE: Do not connect the USB device.

    Is USB NO DATA displayed in the audio display? 

    YES  -Go to step 4.

    NO  -Go to step  14.

  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 control, and check the USB device operation.

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

    YES  -Go to step 6.

    NO  -If UNSUPPORTED or UNSUPPORTED VER is displayed in the audio unit display, the USB device may not be supported or the wrong type of music files are on the device. If USB NO SONG or iPod NO SONG is displayed in the audio unit display, the USB device may have no music files. See the owner's manual for details on USB device compatibility and approved file types.

  6. On the customer's vehicle, connect the customer's USB device to the USB port.
  7. Turn the ignition switch to ON (II).
  8. Turn on the audio unit.
  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 port and USB adapter for wear.

    NO  -Go to step 10.

  10. Turn the ignition switch to LOCK (0).
  11. On the customer's vehicle, remove the USB device.
  12. Disconnect USB adapter control unit connector B (5P).
  13. Check for continuity between USB adapter control unit connector B (5P) and USB port 5P connector according to the table.
    USB adapter control unit connector USB port connector
    B1 No. 4
    B2 No. 3
    B3 No. 2
    B4 No. 1
    B5 No. 5
    Fig 1: Identifying USB Adapter Control Unit Connector B (5P)
    G08095010Courtesy of AMERICAN HONDA MOTOR CO., INC.
    Fig 2: Identifying USB Port 5P Connector
    G08095011Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity? 

    YES  -Substitute a known-good USB adapter control unit (see USB ADAPTER CONTROL UNIT REPLACEMENT ), and recheck. If the symptom/indication goes away, replace the original USB adapter control unit (see USB ADAPTER CONTROL UNIT REPLACEMENT ). If the symptom/indication is still present, go to step  15.

    NO  -Replace the USB adapter, then recheck.

  14. Turn the ignition switch to LOCK (0).
  15. Measure the voltage between USB adapter control unit connector A (14P) terminal No. 1 and body ground.
    Fig 3: Measuring Voltage Between USB Adapter Control Unit Connector A (14P) Terminal No. 1 And Body Ground
    G08095012Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there battery voltage? 

    YES  -Go to step  18.

    NO  -Go to step 16.

  16. Disconnect audio unit connector E (14P) and USB adapter control unit connector A (14P).
  17. Check for continuity between USB adapter control unit connector A (14P) terminal No. 2 and audio unit connector E (14P) terminal No. 2.
    Fig 4: Checking For Continuity Between USB Adapter Control Unit Connector A (14P) Terminal No. 2 And Audio Unit Connector E (14P) Terminal No. 2
    G08095013Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity? 

    YES  -Replace the audio unit (see AUDIO UNIT REMOVAL/INSTALLATION ).

    NO  -Repair an open in the wire between the USB adapter control unit and the audio unit.

  18. Disconnect audio unit connector E (14P) and USB adapter control unit connector A (14P).
  19. Check for continuity between USB adapter control unit connector A (14P) terminal No. 11 and audio unit connector E (14P) terminal No. 11.
    Fig 5: Checking For Continuity Between USB Adapter Control Unit Connector A (14P) Terminal No. 11 And Audio Unit Connector E (14P) Terminal No. 11
    G08095014Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity? 

    YES  -Go to step 20.

    NO  -Repair an open in the wire between the USB adapter control unit and the audio unit.

  20. Check for continuity between USB adapter control unit connector A (14P) terminal No. 2 and body ground.
    Fig 6: Checking For Continuity Between USB Adapter Control Unit Connector A (14P) Terminal No. 2 And Body Ground
    G08095015Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity? 

    YES  -Repair a short to body ground in the wire between the USB adapter control unit and the audio unit.

    NO  -Go to step 21.

  21. Check for continuity between USB adapter control unit connector A (14P) terminal No. 2 and audio unit connector E (14P) terminal No. 2.
    Fig 7: Checking For Continuity Between USB Adapter Control Unit Connector A (14P) Terminal No. 2 And Audio Unit Connector E (14P) Terminal No. 2
    G08095016Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity? 

    YES  -Go to step 22.

    NO  -Repair an open in the wire between the USB adapter unit and the audio unit.

  22. Check for continuity between body ground and audio unit connector E (14P) according to the table.
    Audio unit connector Wire color
    E9 YEL
    E10 BRN
    Fig 8: Identifying Audio Unit Connector E (14P)
    G08095017Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity? 

    YES  -There is a short to body ground in the wire (s) between the audio unit and the USB adapter control unit, replace the affected shielded harness.

    NO  -Go to step 23.

  23. Check for continuity between terminals of audio unit connector E (14P) according to the table.
    From terminal To terminals
    E3 (GRY) E9 (YEL), E10 (BRN)
    E9 (YEL) E10 (BRN)
    Fig 9: Identifying Audio Unit Connector E (14P)
    G08095018Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity between any of the terminals? 

    YES  -There is a short in the wires between the audio unit and the USB adapter control unit. Replace the affected shielded harness.

    NO  -Go to step 24.

  24. Check for continuity between audio unit connector E (14P) and USB adapter control unit connector A (14P) according to the table.
    Audio unit connector USB adapter control unit connector Wire color
    E9 A9 YEL
    E10 A10 BRN
    Fig 10: Identifying Audio Unit Connector E (14P)
    G08095019Courtesy of AMERICAN HONDA MOTOR CO., INC.
    Fig 11: Identifying USB Adapter Control Unit Connector A (14P)
    G08095020Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity? 

    YES  -Substitute a known-good USB adapter control unit (see USB ADAPTER CONTROL UNIT REPLACEMENT ), and recheck. If the symptom/indication goes away, replace the original USB adapter control unit (see USB ADAPTER CONTROL UNIT REPLACEMENT ). If the symptom/indication is still present, replace the audio unit (see AUDIO UNIT REMOVAL/INSTALLATION ).

    NO  -There is an open in the wire (s) between the audio unit and the USB adapter control unit. Replace the affected shielded harness.

scientia non olet · About LEMON Manuals