LAUNCH  X-431 PRO User’s Manual — Knowledge of X-431 PRO 
1 
1 Introductions 
1.1 Product Profile 
X-431 PRO is a new vehicle trouble diagnostic device developed based on 
internet and mobile terminals by Launch with over 20 years R&D experience in 
vehicle diagnosis. Through the Bluetooth communication between vehicle 
diagnostic connector and variant mobile intelligent terminals, it achieves X431 
series full car model and full system vehicle trouble diagnosis, which include 
reading DTCs, clearing DTCs, reading datastream, actuation test and special 
functions.  
Meanwhile, taking advantage of mobile internet, it integrates more application 
and service, such as creating maintenance data base and case library, providing 
instant maintenance information, establishing public and private maintenance 
social circle etc. As a result, it builds a broad vehicle diagnostic community, 
which helps you to share vehicle maintenance knowledge online, exchange 
vehicle maintenance experience online and provide vehicle maintenance related 
service support online. This will be another revolution raised by Launch in the 
vehicle diagnosis industry.   
1.2 Features 
1.   Diagnose: 
  Can diagnose the electronic control system of prevailing vehicle 
models covering Asian, European, American and Chinese. Diagnosis 
functions include: Read DTCs, Clear DTCs, Read datastream, Special 
functions etc;   
  Specially designed for Android platform with clear and user-friendly 
interface;  
  Via Bluetooth, it is simple for DBScar diagnostic connector to 
communicate with X-431 PRO;   
  Equipped with an exclusive X-431 PRO protection sleeve to prevent it 
from being damaged;   
2.  Browser: built-in Wi-Fi module makes surfing on the internet freely; 
3.  Email: allows you to send and receive email. External POP3 or IMAP email