LAUNCH    X-431 PRO Series User Manual 
1 
1 Introduction 
1.1 Product Profile 
X-431 PRO is a new Android-based vehicle trouble diagnostic device developed 
for  internet  applications.  It  inherits  from  LAUNCH’s  advanced  diagnosing 
technology and is characterized by covering a wide range of vehicles, featuring 
powerful functions, and providing precise test result.   
Through the simple Bluetooth communication between the VCI device and the 
display tablet, it achieves full car model and full system vehicle trouble diagnosis, 
which include Reading DTCs, Clearing DTCs, Reading Data Stream, Actuation 
Test and Special Functions. Moreover, taking advantage of the mobile Internet, it 
also  integrates  One-click  Update,  Remote  Diagnosis,  Repair  Data  and  golo 
Business Manager, which helps to diagnose vehicle issues more efficiently, and 
greatly increase customer’s retention and boost shop revenue. 
X-431 PRO adopts a higher performance-price ratio tablet computer, which is 
equipped with Android operating system and 8” HD capacitive touch screen. 
1.2 Features 
1. Diagnose: 
 
  Smart Diagnosis: This module allows you to use the VIN information of the 
currently identified vehicle to access its data (including vehicle information, 
historical diagnostic records) from the cloud server to perform quick test.   
  Local Diagnosis: Follow  the  on-screen  prompts to  start diagnostic  session 
step by step.  Diagnosis functions include: Read DTCs, Clear  DTCs, Read 
Data Stream, Special Functions etc. 
  Remote  Diagnosis:  This  option  aims  to  help  repair  shops  or  technicians 
launch instant messaging and remote diagnosis, making the repair job getting 
fixed faster. 
  Reset: All kinds of common maintenance and reset items including Oil lamp 
reset, DPF regeneration, ABS bleeding can be done. 
  One-click Update: Lets you update your diagnostic software online. 
  Diagnostic  History:  This  function  provides  a  quick  access  to  the  tested 
vehicles and users can choose to view the test report or resume from the last 
operation, without the necessity of starting from scratch. 
  Diagnostic  Feedback:  Enables  you  to  submit  the  vehicle  issue  to  us  for