User Manual
LAUNCH   X-431 V User Manual — Vehicle Diagnosis 
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4 How to diagnose 
4.1 Diagnosis Flowchart 
For new users, please follow the operation chart shown in Fig. 4-1 to get familiar 
with and start using X-431 V. 
Fig. 4-1 
4.2 User Registration & Connector Activation 
During initial use, tap the X-431 V icon on the home screen and you will see 
some illustrations that guide you through some of important operations of the 
application. Scroll your screen to left to read it until the “Start Now” page appears. 
Tap “Start Now” to enter the main menu screen.
4.2.1 User registration 
Tap “Login” on the upper right corner of the main menu screen: 










