Inspection Procedure 7: The USB adapter data cannot be replayed.
caution
Before replacing the multivision display, ensure that the power supply circuit, the ground circuit and the communication circuit are normal.
Check whether the multivision display supports your audio device or an audio file format.
TECHNICAL DESCRIPTION (COMMENT)
If the sound replay is impossible with the USB/iPod® mode, the USB cable or multivision display may be defective.
note
Before troubleshooting, check that the music file (the customer tried to replay) can be replayed.
When any error is found in a connected iPod®, first check whether it is an official product.
TROUBLESHOOTING HINTS
The multivision display may be defective
The USB cable may be defective
DIAGNOSIS
STEP 1. Check if the error message is displayed on the multivision display.
(Refer to .)
Is the error message displayed on the monitor?
: Refer to error massage (Refer to ), take necessary steps. If the USB memory/iPod® is still not be played, go to Step 2.
Go to Step 2.
STEP 2. Check the service data for multivision display.
Using the multivision display diagnosis mode, check if the "Communication Check" (Refer to ).
Item name
Normal condition
USB1/USB2*1
CP (CarPlay connection)*2
AAP (AAP connection)
iPod (iPod connection)
USB (USB connection)
NC (Not connected)
Item name
Normal condition
USB1/USB2*1
CP (CarPlay connection)*2
AAP (AAP connection)
iPod (iPod connection)
USB (USB connection)
NC (Not connected)
note
*1: When an USB device is detected, it will be shown in USB1 and USB2 field in that order. The USB device won't disappear until its connector is disconnected.
*2: When a CarPlay-installed device is connected, the system recognizes it as "iPod" at first. Then it will be changed to "NC" and then "CP".
OK: A iPod or USB device is shown.
Is the check result normal?
Go to Step 4.
Go to Step 3.
STEP 3. Check the USB cable.
Check that the USB cable is connected to the multivision display normally. Or check the USB cable for damage such as bend.
Is the check result normal?
Go to Step 4.
Replace or repair the USB cable (Refer to ).
STEP 4. Retest the system.
Check whether an audio file, which is stored in the USB memory/iPod®, can be played.
Is the check result normal?
The trouble can be an intermittent malfunction (Refer to GROUP 00 - How to use Troubleshooting/inspection Service Points - How to Cope with Intermittent Malfunction ).