USB Audio Device Does Not Work (With Navigation)

WARNING: This page is about a different car, the 2011 Honda Pilot, 2010 Honda Pilot, and 2009 Honda Pilot. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

Check the vehicle battery condition first.
Check the connectors for poor connections or loose terminals.
Check the USB device requirement:
- Mass-storage class ready digital audio player with USB 2.0 port
- More than 256 MB of RAM
- Supports MP3, WMA, and AAC (encorded 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 that USB devices may work in newer vehicles, but not in older vehicles of the same model.

Turn the ignition switch to ON (II).
Turn on the audio system.
Press the AUX button to select USB mode.
NOTE: Do not connect the USB device.

Is USB NO DATA displayed in the audio-HVAC display?

YES - Go to step 4.

NO - Go to step 17.
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 - If the audio-HVAC displays UNSUPPORTED or MEDIA ERROR, the USB device may not be supported or is defective. If the audio-HVAC displays USB NO MUSIC, the USB devise may have no music files or the wrong type music files are on the device. 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 system.
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 devise, USB cable and USB adapter for wear.

NO - Go to step 10.
Turn the ignition switch to LOCK (0).
On the customer's vehicle, remove the USB adapter.
Turn the ignition switch to ON (II).
Check for the navigation system hard error codes (see GENERAL TROUBLESHOOTING INFORMATION ).
Are there any DTC's related to the audio, XM or RES systems?

YES - Do the appropriate DTC troubleshooting in the navigation section, and recheck. ■

NO - Go to step 14.
Turn the ignition switch to LOCK (0).
Disconnect USB adapter unit connector B (5P).

Check for continuity between terminals of USB adapter connector B (5P) and the USB adapter 5P connector according to the table below.

USB ADAPTER CONNECTOR REFERENCE TABLE

USB adapter unit connector	USB adapter connector
B1	1
B2	2
B3	3
B4	4
B5	5

Fig 1: Identifying USB Adapter Connector Terminals B (5P)

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Fig 2: Identifying USB Adapter Holder/Auxiliary Jack Assembly

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

YES - Go to step 20.

NO - Go to step 17.

Disconnect the USB adapter 5P connector.

Check for continuity between USB adapter 5P connector and USB port 5P connector according to the table.

USB ADAPTER CONNECTOR REFERENCE TABLE

USB adapter connector	USB port connector
1	4
2	3
3	2
4	1
5	5

Fig 3: USB Adapter 5P Connector

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Fig 4: USB Port 5P Connector

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity? YES

YES - Replace the USB main harness, then recheck.

NO - Replace the USB adapter, then recheck.

Turn the ignition switch to LOCK (0).
Measure the voltage between body ground and USB adapter unit connector A (14P) terminal No. 1.

Fig 5: Identifying USB Adapter Connector A (14P) Terminal No. 1
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there battery voltage?

YES - Go to step 23.

NO - Go to step 21.
Disconnect these items:
- Audio unit connector C (14P).
- USB adapter control unit connector A (14P).
- XM receiver connector A (14P).
Check for continuity between USB adapter unit connector A (14P) terminal No. 1 and audio unit connector C (14P) terminal No. 1.

Fig 6: Checking Continuity Between USB Adapter Unit Connector A (14P) Terminal 1 & Audio Unit Connector C (14P) Terminal 1
Courtesy 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. ■
Disconnect these items:
- Audio unit connector C (14P).
- USB adapter control unit connector A (14P).
- XM receiver connector A (14P).
Check for continuity between USB adapter unit connector A (14P) terminal No. 11 and audio unit connector C (14P) terminal No. 11.
Is there continuity?

YES - Go to step 25.

NO - Repair the open on the wire between the USB adapter unit and the audio unit. ■

Fig 7: Checking Continuity Between USB Adapter Unit Connector A (14P) Terminal 11 & Audio Unit Connector C (14P) Terminal 11
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Check for continuity between USB adapter control unit connector A (14P) terminal No. 2 and body ground.

Fig 8: USB Adapter Control Unit Connector A (14P) Terminal No. 2 And Body Ground.
Courtesy 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 26.
Check for continuity between USB adapter unit connector A (14P) terminal No. 2 and audio unit connector C (14P) terminal No. 2.

Fig 9: Checking Continuity Between USB Adapter Unit Connector A (14P) Terminal 2 & Audio Unit Connector C (14P) Terminal 2
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

YES - Substitute a known-good audio unit (see AUDIO UNIT REMOVAL/INSTALLATION ), reconnect all the connectors, and recheck. ■

NO - Repair the open on the wire between the USB adapter unit and the audio unit. ■