Navigation System Usb Audio System Recognition/Play Error

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK USB DEVICE OR "iPod"

CHECK HARNESS AND CONNECTOR (EXTENSION MODULE - NO. 1 STEREO JACK ADAPTER ASSEMBLY)

INSPECT EXTENSION MODULE (NO. 1 STEREO JACK ADAPTER ASSEMBLY POWER SOURCE)

FORMAT USB DEVICE OR RESTORE "iPod" AND RECHECK

REPLACE USB DEVICE OR "iPod"

CHECK USB DEVICE OR "iPod"

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

HINT:

1. When a large amount of data is in a USB device, it may take a while to begin play.
   
2. When using a USB device, files that are protected by copyright cannot be played.
   
3. When files are not played in the sorted order, perform the following procedure before inspection.
   
1. Add numbers in front of the file names.
   
2. Put the files in a folder and copy the folder data to the USB device.
   

1. Disconnect the USB device or "iPod" from the No. 1 stereo jack adapter assembly.
   

2. Check if playable files are present on the USB device or "iPod".
   

   HINT:

   Refer to System Description for playable files (COROLLA_ZRE142 RM0000011BT0C4X.html).

   Result:

   Result	Proceed to
   No playable files exist, or incompatible device format or version	A
   Playable files exist, and compatible device format or version	B

1. Disconnect the No. 1 stereo jack adapter assembly connector.
   

2. Disconnect the extension module connector.
   

3. Measure the resistance according to the value(s) in the table below.
   

   Standard Resistance:

   Tester Connection	Condition	Specified Condition
   E120-1 (UPI) - E131-1 (UPO)	Always	Below 1 Ω
   E120-2 (UDO-) - E131-2 (UDO-)	Always	Below 1 Ω
   E120-3 (UDO+) - E131-3 (UDO+)	Always	Below 1 Ω
   E120-4 (UJSG) - E131-4 (UESG)	Always	Below 1 Ω
   E120-5 (UJSS) - E131-5 (USG1)	Always	Below 1 Ω
   E120-1 (UPI) - Body ground	Always	10 kΩ or higher
   E120-2 (UDO-) - Body ground	Always	10 kΩ or higher
   E120-3 (UDO+) - Body ground	Always	10 kΩ or higher
   E120-4 (UJSG) - Body ground	Always	10 kΩ or higher
   E120-5 (UJSS) - Body ground	Always	10 kΩ or higher

   Text in Illustration

   *a	Front view of wire harness connector (to Extension Module)
   *b	Front view of wire harness connector (to No. 1 Stereo Jack Adapter Assembly)

1. Reconnect the extension module connector.
   

2. Measure the voltage according to the value(s) in the table below.
   

   Standard Voltage:

   Tester Connection	Condition	Specified Condition
   E120-1 (UPI) - E120-4 (UJSG)	Ignition switch ACC	5 V

   Text in Illustration

   *a	Front view of wire harness connector (to No. 1 Stereo Jack Adapter Assembly)

1. Delete all files in the USB device or "iPod" and format/restore it.
   

2. Save the data again and check if it can be played on the in-vehicle device.
   

   NOTICE:

   Formatting a USB device or restoring an "iPod" erases all music on the device. Ensure that backup music data is available before performing this operation.

   OK:

   Malfunction disappears.
   

1. Turn the ignition switch off.
   

   HINT:

   When this malfunction occurs, it is necessary to turn off the ignition switch to make it possible for the vehicle to recognize a new device when it is connected.

2. Turn the ignition switch to ACC.
   

3. Connect a known good USB device or "iPod" to the No. 1 stereo jack adapter assembly.
   

   HINT:

   1. If the malfunction occurred when a USB device was in use, use another USB device for the inspection. If the malfunction occurred when an "iPod" was in use, use another "iPod" for the inspection.
      
   2. Refer to System Description for compatible formats and versions (COROLLA_ZRE142 RM0000011BT0C4X.html).
      

1. Check if a USB device or "iPod" is recognized by the extension module, and if information such as track, artist and album names are displayed on the screen.
   

   OK:

   Malfunction disappears.