Audio-Navigation System DTC 1102 (Navigation Unit)

DTC 1102  : USB Diag

NOTE: 

• Check the vehicle 12 volt battery condition first .
• This navigation DTC sets when a problem is detected with the USB device that is connected to the USB port.
• Before you troubleshoot, make sure to follow the General Troubleshooting Information .
• Check the connectors for poor connections or loose terminals.

1. Problem verification

   -1. Clear the hard error codes .

   -2. Turn the vehicle to the OFF (LOCK) mode.

   -3. Wait for at least 6 seconds.

   -4. Connect the USB device to the USB port A or B.

   -5. Check for hard error codes .

   Is DTC 1102 indicated?

   YES 

   The failure is duplicated, go to step 2.

   NO 

   Intermittent failure, the system is OK at this time.

2. Audio-navigation unit check

   -1. Clear the hard error codes .

   -2. Turn the vehicle to the OFF (LOCK) mode.

   -3. Wait for at least 6 seconds.

   -4. Disconnect the USB device, then connect a known-good USB device to the USB port A or B.

   -5. Check for hard error codes .

   Is DTC 1102 indicated?

   YES 

   Replace the audio-navigation unit .

   NO 

   Original USB device is faulty.