User Manual
LAUNCH    X-431 V+ V4.0 User Manual 
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  Feedback:  Enables  you  to  submit  the  vehicle  issue  to  us  for  analysis  and 
troubleshooting. 
  Vehicle Coverage: Quick dial to view the vehicle models that the tool covers. 
  My Report: Optional. This function enables you to view, delete or share the 
saved diagnostic reports. 
1.3 Components & Controls 
There are two main components to the diagnostic system: 
  Display  Tablet  –  the  central  processor  and  monitor  for  the  system  (See 
Chapter “1.3.1”). 
  VCI Device – the device for accessing vehicle data (See Chapter “1.3.2”). 
1.3.1 Display tablet (Only for Passenger Vehicle Configuration) 
The tablet acts as the central processing system, which is used to receive and 
analyze the live vehicle data from the VCI device and then output the test result. 
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POWER Key 
In Off mode, press it for 3 seconds to turn the 
handset on. 
In On mode:   
•  Press it once to activate the LCD if the LCD is 










