LAUNCH    X-431 PRO Series User Manual 
2 
4 Initial Use 
4.1 Diagnosis Flowchart 
For new users, please follow the operation chart shown in Fig. 4-1 to get familiar 
with and start using this tool. 
Tap “Diagnostic”
Select vehicle
Select test system
Select test function
Select diagnostic 
software version
Tap “Login” to 
register
Is connector 
activated ?
No
Tap “Update” to 
update software
Yes
…… (Refer to 
Chapter 4.2)
Register & Activate 
OK
   
 
Fig. 4-1 
4.2  User  Registration,  VCI  Activation  &  Diagnostic  Software 
Download 
4.2.1 User registration 
Tap the application icon on the home screen to launch it, and then tap “Login” to 
enter the login interface of diagnosis software.