NAVIGATION SYSTEM > USB Audio System Recognition/Play Error


DESCRIPTION

When a USB device or "iPod" is connected to the USB jack of the No. 1 stereo jack adapter assembly, it must have playable files. The device must also communicate with and be recognized by the navigation receiver assembly. This diagnosis procedure is for when a device is not recognized, or files from the device cannot be played normally.

WIRING DIAGRAM


E285740E01


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.CHECK USB DEVICE OR "iPod"

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

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

    HINT:
    Refer to System Description for playable files (Click here).

  1. Check if the USB device is a compatible format or "iPod" is a compatible version.

    HINT:
    Refer to System Description for compatible formats and versions (Click here).
    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


B
Go to step 2
A

USB DEVICE FORMAT WAS INCOMPATIBLE, "iPod" VERSION WAS INCOMPATIBLE, OR NO PLAYABLE FILES PRESENT 

2.CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - NO. 1 STEREO JACK ADAPTER ASSEMBLY)

  1. Disconnect the N14 No. 1 stereo jack adapter assembly connector.

  1. Disconnect the N13 navigation receiver assembly connector.

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    N14-1 (USV1) - N13-1 (USV1)
    		Always
    		Below 1 Ω
    N14-2 (US1-) - N13-2 (US1-)
    		Always
    		Below 1 Ω
    N14-3 (US1+) - N13-3 (US1+)
    		Always
    		Below 1 Ω
    N14-4 (UGD1) - N13-4 (UGD1)
    		Always
    		Below 1 Ω
    N14-5 (UJSS) - N13-5 (USG1)
    		Always
    		Below 1 Ω
    N14-1 (USV1) - Body ground
    		Always
    		10 kΩ or higher
    N14-2 (US1-) - Body ground
    		Always
    		10 kΩ or higher
    N14-3 (US1+) - Body ground
    		Always
    		10 kΩ or higher
    N14-4 (UGD1) - Body ground
    		Always
    		10 kΩ or higher
    N14-5 (UJSS) - Body ground
    		Always
    		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


3.CHECK NAVIGATION RECEIVER ASSEMBLY (NO. 1 STEREO JACK ADAPTER ASSEMBLY POWER SOURCE)

  1. Reconnect the N13 navigation receiver assembly connector.



    E278189E05

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

    Standard Voltage:
    Tester Connection
    		Switch Condition
    		Specified Condition
    N14-1 (USV1) - N14-4 (UGD1)
    		Ignition switch ACC
    		4.5 to 5.5 V
    Text in Illustration 
    *a
    		Front view of wire harness connector
    (to No. 1 Stereo Jack Adapter Assembly)


NG
REPLACE NAVIGATION RECEIVER ASSEMBLY (Click here)
OK


4.FORMAT USB DEVICE OR RESTORE "iPod" AND RECHECK

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

  1. 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.


NG
Go to step 5
OK

END 

5.REPLACE USB DEVICE OR "iPod"

  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.

  1. Turn the ignition switch to ACC.

  1. 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 (Click here).

NEXT


6.CHECK USB DEVICE OR "iPod"

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

    OK:
    Malfunction disappears.


NG
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE (Click here)
OK

USB DEVICE OR "iPod" WAS INCOMPATIBLE OR DEFECTIVE