AUDIO AND VISUAL SYSTEM(for Radio Receiver Type) USB Audio System Recognition/Play Error
| DTC Code | DTC Name |
|---|---|
| USB Audio System Recognition/Play Error |
DESCRIPTION
When a USB device or "iPod" is connected to the USB connector, it must have playable files. The device must also communicate with and be recognized by the radio receiver assembly. This diagnostic procedure is for when a device is not recognized, or files from the device cannot be played normally.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
When a large amount of data is in a USB device, it may take a while before play begins.
When using a USB device, files that are copy protected or encrypted due to copyright reasons cannot be played.
When files are not played in the sorted order, perform the following procedure before inspection.
-
Add numbers in front of the file names.
Put the files in a folder and copy the folder data to the USB device.
PROCEDURE
CHECK USB DEVICE OR "iPod"
Disconnect the USB device or "iPod" from the No. 2 stereo jack adapter assembly.
Check if playable files are present on the USB device or "iPod".
Check if the USB device is a compatible format or "iPod" is a compatible version.
Result
Condition
Proceed to
No playable files exist, or incompatible device format or version
A
Playable files exist, and compatible device format or version
B
A END (USB DEVICE FORMAT WAS INCOMPATIBLE, "iPod" VERSION WAS INCOMPATIBLE, OR NO PLAYABLE FILES PRESENT)
CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - NO. 2 STEREO JACK ADAPTER ASSEMBLY)
Disconnect the USB1 radio receiver assembly connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection
Condition
Specified Condition
USB2-1 (UPI) - USB1-1 (USV1)
Always
Below 1 Ω
USB2-2 (UDO-) - USB1-2 (US1-)
Always
Below 1 Ω
USB2-3 (UDO+) - USB1-3 (US1+)
Always
Below 1 Ω
USB2-4 (UJSG) - USB1-4 (UGD1)
Always
Below 1 Ω
USB2-5 (UJSS) - USB1-5 (USG1)
Always
Below 1 Ω
USB2-1 (UPI) - Body ground
Always
10 kΩ or higher
USB2-2 (UDO-) - Body ground
Always
10 kΩ or higher
USB2-3 (UDO+) - Body ground
Always
10 kΩ or higher
USB2-4 (UJSG) - Body ground
Always
10 kΩ or higher
USB2-5 (UJSS) - Body ground
Always
10 kΩ or higher
Result
Proceed to
OK
NG
CHECK HARNESS AND CONNECTOR (NO. 2 STEREO JACK ADAPTER ASSEMBLY POWER SOURCE)
-
*a
Front view of No. 2 stereo jack adapter assembly connector
(to No. 2 stereo jack adapter assembly)
Measure the voltage according to the value(s) in the table below.
Standard Voltage
Tester Connection
Condition
Specified Condition
USB2-1 (UPI) - USB2-4 (UJSG)
Ignition switch ACC
5 V
Result
Proceed to
OK
NG
-
FORMAT USB DEVICE OR RESTORE "iPod" AND RECHECK
Delete all files in the USB device or "iPod" and format/restore it.
Save the data again and check if it can be played on the in-vehicle device.
Note: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.
Result
Proceed to
OK
NG
OK END
REPLACE USB DEVICE OR RESTORE "iPod"
Turn the ignition switch off.
Tip:When this malfunction occurs, it is necessary to turn the ignition switch off to make it possible for the vehicle to recognize a new device when it is connected.
Turn the ignition switch to ACC.
Connect a known good USB device or "iPod" to the No. 2 stereo jack adapter assembly.
Tip: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.
Refer to System Description for compatible formats and versions.
Result
Proceed to
NEXT
CHECK USB DEVICE OR RESTORE "iPod" AND RECHECK
Check if a USB device or "iPod" is recognized by the radio receiver assembly, and if information such as track, artist and album names is displayed on the screen.
OK
Malfunction disappears.
Result
Proceed to
OK
NG
OK USB DEVICE OR "iPod" WAS INCOMPATIBLE OR DEFECTIVE