( TL19E00J10300000000FAAT25 )

Audio System Symptom Troubleshooting - USB device does not function

1. Check for continuity between body ground and USB adapter unit connector A (14P) according to the table.

   | USB adapter unit connector | Wire color
   --- | --- | ---
   +B | A1 | WHT
   GND | A11 | BLK

Is there continuity?

YES | - | Repair short in the wire between body ground and the USB adapter unit connector terminal No. 1, No. 11.■
NO | - | Check the connection of the connector. If there is no abnormality, replace the audio unit with navigation system , without navigation system. ■

1. Turn the ignition switch to LOCK (0).

1. Disconnect USB adapter unit connector A (14P) and the audio unit connector D (14P).