RM38T0EC _56 Audio / Visual / Telematics _111966 AUDIO / VIDEO _0589552 AUDIO AND VISUAL SYSTEM(Production Date from 2023/04) J

AUDIO / VIDEO  AUDIO AND VISUAL SYSTEM(Production Date from 2023/04)  USB Audio System Recognition/Play Error  


WIRING DIAGRAM

E509828E06
0.896,4.396 3.604,4.635 2.708,0.24 10 false : Data Signal (USB Communication Line) 0.198,3.917 2.854,4.208 2.656,0.292 10 false No. 1 Stereo Jack Adapter Assembly 5.542,3.979 6.729,4.417 1.188,0.438 10 false Radio and Display Receiver Assembly 1.448,0.25 1.76,0.448 0.313,0.198 10 false +B 1.333,0.719 1.688,0.927 0.354,0.208 10 false GND 1.24,1.167 1.729,1.406 0.49,0.24 10 false ADPG 1.313,2.063 1.792,2.25 0.479,0.188 10 false Vgnd 1.469,2.948 1.885,3.188 0.417,0.24 10 false D- 1.448,2.521 1.865,2.76 0.417,0.24 10 false D+ 1.281,3.521 1.698,3.76 0.417,0.24 10 false UJSS 5.604,0.25 5.917,0.448 0.313,0.198 10 false +B 5.604,0.719 6.125,0.917 0.521,0.198 10 false GND2 5.604,1.167 6.115,1.396 0.51,0.229 10 false ADPG 5.604,1.625 6.031,1.802 0.427,0.177 10 false USV1 5.604,2.063 6.031,2.24 0.427,0.177 10 false UGD1 5.615,2.531 6.042,2.708 0.427,0.177 10 false US1+ 5.604,2.99 6.031,3.167 0.427,0.177 10 false US1- 5.604,3.573 6.021,3.813 0.417,0.24 10 false USG1 1.781,0.583 2.094,0.781 0.313,0.198 10 false 8 1.781,1.021 2.094,1.219 0.313,0.198 10 false 7 1.781,1.49 2.094,1.688 0.313,0.198 10 false 3 1.781,1.948 2.094,2.146 0.313,0.198 10 false 2 1.771,2.365 2.083,2.563 0.313,0.198 10 false 1 1.781,2.833 2.094,3.031 0.313,0.198 10 false 4 1.781,3.448 2.094,3.646 0.313,0.198 10 false 5 5.313,0.042 5.625,0.24 0.313,0.198 10 false 3 5.313,0.49 5.625,0.688 0.313,0.198 10 false 2 5.313,1.406 5.625,1.604 0.313,0.198 10 false 1 5.313,1.865 5.625,2.063 0.313,0.198 10 false 4 5.313,2.323 5.625,2.521 0.313,0.198 10 false 3 5.313,2.792 5.625,2.99 0.313,0.198 10 false 2 5.313,3.365 5.625,3.563 0.313,0.198 10 false 5 0.208,3.74 0.667,3.938 0.458,0.198 10 false I260 3.594,3.438 4.052,3.635 0.458,0.198 10 false * 3.75,4.396 4.635,4.583 0.885,0.188 10 false *: Shielded 5.208,3.563 5.667,3.76 0.458,0.198 10 false I276 5.313,0.938 5.771,1.135 0.458,0.198 10 false 6 1.313,1.604 1.792,1.792 0.479,0.188 10 false Vbus 1.771,0.156 2.083,0.354 0.313,0.198 10 false 6 5.219,3 5.677,3.198 0.458,0.198 10 false I276 5.219,2.531 5.677,2.729 0.458,0.198 10 false I276 5.219,2.073 5.677,2.271 0.458,0.198 10 false I276 5.219,1.615 5.677,1.813 0.458,0.198 10 false I276 5.219,1.146 5.677,1.344 0.458,0.198 10 false I275 5.219,0.25 5.677,0.448 0.458,0.198 10 false I274 5.219,0.688 5.677,0.885 0.458,0.198 10 false I274

CAUTION / NOTICE / HINT

NOTICE:

Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed.

Click hereAudio / Visual / Telematics>AUDIO / VIDEO>AUDIO AND VISUAL SYSTEM (Production Date from 2023/04)>PRECAUTION


HINT:
·

When many folders or files exist in the USB storage device, it may take a while to begin playback.

·

When using a USB storage device, files that are protected by copyright or encrypted cannot be played

·

If a USB hub is being used, remove it.

·

When files on the USB storage device are not played in the sorted order, perform the following procedure.

(a)

Assign a number to the start of each file name.

(b)

Move the files to a folder and copy each folder to the USB storage device.




PROCEDURE

1.CHECK USB STORAGE DEVICE
a.

Disconnect the USB storage device from the No. 1 stereo jack adapter assembly.


b.

Check that playable files exist in the USB storage device.


c.

Check that the USB storage device being used by the customer is a compatible version and format.


Result:
Result Proceed to
The format of the USB storage device is compatible A
Playable files do not exist
The format of the USB storage device is not compatible 		B



A

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

B

END

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

Disconnect the I274, I275 and I276 radio and display receiver assembly connectors.


b.

Disconnect the I260 No. 1 stereo jack adapter assembly connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
I276-1 (USV1) - I260-3 (Vbus) Always Below 1 Ω
I276-2 (US1-) - I260-4 (D-) Always Below 1 Ω
I276-3 (US1+) - I260-1 (D+) Always Below 1 Ω
I276-4 (UGD1) - I260-2 (Vgnd) Always Below 1 Ω
I276-5 (USG1) - I260-5 (UJSS) Always Below 1 Ω
I275-6 (ADPG) - I260-7 (ADPG) Always Below 1 Ω
I274-2 (GND2) - I260-8 (GND) Always Below 1 Ω
I274-3 (+B) - I260-6 (+B) Always Below 1 Ω
I276-1 (USV1) - Body ground Always 10 kΩ or higher
I276-2 (US1-) - Body ground Always 10 kΩ or higher
I276-3 (US1+) - Body ground Always 10 kΩ or higher
I276-4 (UGD1) - Body ground Always 10 kΩ or higher
I276-5 (USG1) - Body ground Always 10 kΩ or higher
I275-6 (ADPG) - Body ground Always 10 kΩ or higher
I274-2 (GND2) - Body ground Always 10 kΩ or higher
I274-3 (+B) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

3.INSPECT RADIO AND DISPLAY RECEIVER ASSEMBLY (USV1, UGD1, +B, GND2)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

3.INSPECT RADIO AND DISPLAY RECEIVER ASSEMBLY (USV1, UGD1, +B, GND2)
a.

Disconnect the I260 No. 1 stereo jack adapter assembly connector.


b.

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

Standard Voltage:
Tester Connection Condition Specified Condition
I260-3 (Vbus) - I260-2 (Vgnd) Ignition switch ON 4.5 to 5.5 V
I260-6 (+B) - I260-8 (GND) Always 11 to 14 V


HINT:

Measure the voltage with the radio and display receiver assembly connectors connected.



Result:
Proceed to
OK
NG



OK

4.FORMAT USB DEVICE AND RECHECK

NG

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

Click hereAudio / Visual / Telematics>AUDIO / VIDEO>RADIO RECEIVER>REMOVAL


4.FORMAT USB DEVICE AND RECHECK
a.

Format the USB storage device to delete the audio files.

NOTICE:

When formatting the USB storage device, all audio files stored in the device will be deleted. Make sure to back up the audio files before performing this procedure.



b.

Restore the data and check if the problem can be reproduced.


Result:
Result Proceed to
Malfunction disappears A
Malfunction occurs. B



A

END

B

5.CHECK USB STORAGE DEVICE
5.CHECK USB STORAGE DEVICE
a.

Disconnect the USB storage device from the No. 1 stereo jack adapter assembly.


b.

Turn the ignition switch from off to ON

HINT:

If another USB storage device is to be connected, it is necessary to turn the ignition switch off in order for the device to be detected.



c.

Connect a known good USB storage device to the No. 1 stereo jack adapter assembly.

HINT:

When a USB storage device is used, replace it with another device and perform the inspection.



d.

Perform the operation again and check if the problem symptom recurs.


Result:
Result Proceed to
Malfunction disappears A
Malfunction occurs B



A

END

B

6.CHECK NO. 1 STEREO JACK ADAPTER ASSEMBLY
6.CHECK NO. 1 STEREO JACK ADAPTER ASSEMBLY
a.

Replace the No. 1 stereo jack adapter assembly with a new or known good one.

Click hereAudio / Visual / Telematics>AUDIO / VIDEO>STEREO JACK ADAPTER ASSEMBLY>REMOVAL


b.

Check if the problem symptom recurs.


Result:
Result Proceed to
Malfunction disappears A
Malfunction occurs B



A

END (NO. 1 STEREO JACK ADAPTER ASSEMBLY MALFUNCTION)

B

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

Click hereAudio / Visual / Telematics>AUDIO / VIDEO>RADIO RECEIVER>REMOVAL