LAUNCH    X-431 PRO Series User Manual 
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reading the ECU data, or by monitoring the operation of the actuators, such as 
switching a injector between two operating states. 
In Fig. 5-18, tap “Actuation Test”, the system will display as follows:   
 
Fig. 5-26 
Simply  follow  the  on-screen  instructions  and  make  appropriate  selections  to 
complete  the  test.  Each  time  when  an  operation  is  successfully  executed, 
“Completed” displays. 
5.3 Remote Diagnosis 
This option aims to help repair shops or technicians launch instant messaging 
and remote diagnosis, making the repair job getting fixed faster.   
Tap “Remote Diagnosis” on the Job menu, the screen appears blank by default.