LAUNCH  X-431 PRO User’s Manual — Knowledge of X-431 PRO 
5 
③ 
Communication 
indicator 
It will flash once the DBScar 
connector is communicating with 
X-431 PRO or it is being reset. 
④ 
Micro USB port  To connect to PC for data 
transmission or upgrade via USB 
cable. 
If DBScar connector keeps unattended, please place it in right position.   
1.3.5 GOLO diagnostic connector (applied for personal car owners) 
   
Fig. 1-4 GOLO diagnostic connector (optional) 
The GOLO diagnostic connector shown in Fig. 1-4 provides same indicators and 
ports as the DBScar diagnostic connector (red & black). Please refer to Chapter 
1.3.4.  
However it is designed for personal car owners and mainly applied with smart 
phone based on Android OS (Before using this connector, users need to 
download and install the diagnostic software firstly. For detailed operations, 
please refer to “User’s Manual” included with it.). It can not be used with X-431 
PRO3 together. 
Since X-431 PRO3 features Customer Management, it is very helpful for repair 
shops to maintain friendly relationship with customers and manage customer’s 
data. In view of it, repair shops may recommend this powerful connector to 
customers.  
1.4 Technical Parameters 
X-431 PRO: 
 Operating system: Android  
  CPU: Dual core 1GHz 
  Battery: 3000mh, rechargeable polymer lithium battery   
  Standby time: it is subject to the using environment. Generally it can keep 
working for 4 hours.