Home - Product - Technical Support - Original Launch X431 Diagun III X-431 Bluetooth Update Online Technical Service
« Back


You can search Technical Support by keyword.
Popular Search

Original Launch X431 Diagun III X-431 Bluetooth Update Online Technical Service



How to update Original Launch X431 Diagun III online Instruction and FAQ
Original Launch X431 Diagun III X-431 Bluetooth Update Online Instruction

1. Install battery
Install steps are described as below:
1. Follow Fig.a to push the button cabinet forward to open position, and then remove it.
2. Take out the battery form the package box and install it as indicated on Fg.b.
3.Cover the reader cabinet and push it backwards to the original position, as shown on Fig.c.
To disassemble the battery, reverse the steps that you followed to install the battery.

2. Install TF card
Installation steps are as follows:
1. Take out the TF card from package box.
2. Insert the TF card into the X-431 Diagun III TF card slot perpendicularly. Make sure it is fully inserted in the right place with the "micro “label facing upward. see Fig.d&e.

3. Connections
Cable (wired)Connection Procedure of X-4311 Diagun III:
1 Connect one end of the diagnostic cable to the USB port of X-431 Diagun III main unit;
2 Connect the other end of the diagnostic cable to the Micro USB port of the DBScar diagnostic connector;
3 Find out the vehicle's DLC;
4 Plug the 16 PIN end of DBScar diagnostic connector into the vehicle's DLC and the power indicators of X-431 Diagun III main unit and DBS car connector will light up.LC and the power indicators of X-431 Diagun III main unit and DBScar connector will light up.

4.Bluetooth(wireless)Connector Procedure of X-431 Diagun III:
1.Find out the vehicle's DLC;
2.PLUG THE 16 PIN end of DBScar diagnostic connector into the vehicle's DLC.


Q1: Where to download Launch x431 Diagun III software?
A1: 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.
Q2: When I try to download the vehicle software of X431 Diagun III, it is only available with Chinese no English, and I try to download Chinese software, it shows me IP restrictions, I cannot download.
A2: You have to get authorization from us before you download the vehicle software.
Q3: I already get authorization from you, but I fail to register.
A3: the dealer code is 86A (A must be written in capital letter)
Q4: Launch X431 Diagun iii and Launch X431 GDS, which one is better.
A4:  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.
Q5: 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?
A5: 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.

Write a Review
* Rating:
    Please select rating stars.
* Your First & Last Name:
* Your E-Mail Address:
* Review Detail:
*Verification Code:
          No right? Get a new verification code.
Tell us what you think about this item and share your opinions with other people. Please make sure your review focuses only on this item. All reviews are moderated and will be reviewed within two business days. Inappropriate reviews will not be posted.
After-sales questions and issues: Contact our Customer Service Department. (A customer representative will get back to you).
Please Sign In first if you want to later edit or manage reviews uploaded by yourself.
Bookmark It