LAUNCH   X-431 PRO User’s Manual — Vehicle Diagnosis 
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Generate Current Text Reports: to save the current data in text format.   
Generate Screenshot Reports: to save the current data in screenshot form. 
To stop reading the datastream, tap 
. Tap the certain item to view its 
waveform. 
Tap 
  to return to the function selection screen. 
3.5.4 Special Function 
This option allows you to detect whether the system parameters are normal or 
not. It mainly includes: Injector test, fuel pump test, purge control solenoid and 
so on.   
Take “1# injector” as an example. 
To detect whether 1# injector works normally or not, tap “1# injector”, the system 
will automatically carry out the function. After complete, a prompt dialog box will 
pop up on the screen.
 
3.6 Maintenance Database 
This function provides a mass of service information for various vehicle models, 
which enables users to retrieve service data of some vehicle online.   
Note: To access service information successfully, please make sure X-431 PRO 
is properly connected to internet.   
Tap “Maintenance Database” to enter. Tap 
 on the bottom of the screen to 
unfold the browse window.