User Manual
LAUNCH    X-431 V+ V4.0 User Manual 
43 
Tap 
YES
,  the  system  will  automatically  delete  the  currently  existing  trouble 
code. 
  Note: After clearing, you should retrieve trouble codes once more or turn ignition 
on and retrieve  codes again.
 If there are still some trouble codes in the system, please 
troubleshoot the code using a factory diagnosis guide, then clear the code and recheck. 
D. Read Data Stream 
This  option  lets  you  view  and  capture  (record)  real-time  Live  Data.  This  data 
including current operating status for parameters and/or sensor information can 
provide  insight  on  overall  vehicle  performance.  It  can  also  be  used  to  guide 
vehicle repair. 
  Note:   
  If  you  must  drive  the  vehicle  in  order  to  perform  a  troubleshooting  procedure, 
ALWAYS  have  a  second  person  help  you.  Trying  to  drive  and  operate  the 
diagnostic  tool  at  the  same  time  is  dangerous,  and  could  cause  a  serious  traffic 
accident.   
  The  real  time  (Live  Data)  vehicle  operating  information  (values/status)  that  the 
on-board  computer  supplies  to  the  tool  for  each  sensor,  actuator,  switch,  etc.  is 
called Parameter Identification Data (PID).   
On  the  diagnostic  function  selection  screen,  tap 
Read  Data  Stream
,  the 
following screen will appear.   










