Q: Why the LCD touch screen responds so slowly in cold weather?
A: It
is because the ambient temperature is close to the lower limit of
operating temperature range (0-50℃). In this situation, it is necessary
to warm up the machine for 30 minutes before test.
Q: Why there is no character on the backlit screen?
A:
Check if the power is well connected. Turn off the machine, unplug it
and then plug it again for power supply, one second later, try to turn
on the machine.
Q: The screen does not respond or responds incorrectly when click with stylus.
A: It is necessary to calibrate the screen. Please see chapter 2.5.2 “Calibrate Touch Screen” for details.
Q: What can I do when the screen is confused?
A: Please quit the current application (interface), and run it again. If the problem still exists, please restart the system.
Q: Why can’t the data be input after Soft Keyboard is activated
A:
The position where the cursor locates can’t be edited. Or you have not
activated the cursor in the input position, please use the stylus to
click the part to edit. You can input the data if the cursor flashes.
Q: Why X431 Diagun III fails in communication with ECU?
A: Please check and make sure that the diagnostic connector and diagnostic program are matching the vehicle make.
Q: Why the saved data disappeared?
A: There are two possible causes:
1. Your TF card is damaged.
2. You’ve changed language, which is related to the data. You may find the data after switching back to the former language.
Q: Screen of main unit flashes at engine ignition moment.
A: Caused by electromagnetic disturbance and this is normal phenomenon.
Q: Diagnose interrupted during diagnosing process.
A: Caused by electromagnetic disturbing or poor connecting.
Q: There is no response when communicating with on-board computer.
A:
Please confirm the proper voltage of power supply and check if the
throttle has been closed, the transmission is in the neutral position,
and the water is in proper temperature.
Q: The systems equipped with the vehicle can not be diagnosed.
A: DLC of some early models is separated; refer to User's Manual for details.
Q: Where to download Launch x431 Diagun III software?
A: Download from http://mycar.x431.com/,
the language depends on your local IP address, for example, browse in
China with Chinese IP, the Launch website language is Chinese.
Q: Launch X431 Diagun iii and Launch X431 GDS, which one is better.
A: 1) X431 Diagun iii and X431 GDS share the same function;
2) GDS supports Wi-Fi wireless Internet communications and GDS
offer some value-added service: provides maintenance information,
maintenance cases and Internet search service. To achieve main
module upgrading by one key, feedback by one key, and searching by one
key etc.
3) X431 GDS Display: 7" TFT Hi-brightness color touch screen, X431 Diagun III is 4.3 inch.
4) GDS built-in hard disk 16G. Therefore, GDS is better than X431 Diagun.
Q: after I successfully create an account for X431 Diagun III and ready to test car, it displays Bluetooth no connection, then I use cable to test, it can work, what’s the problem?
A: Firstly to check whether the Bluetooth serial number and the X431 Diagun III serial No is the same, if it is the same, maybe the Diagun III hardware has problem, please send us back the x431 Diagun III main unit and Bluetooth device to test.
