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X-431 PRO3 V4.0 User Manual
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1
OBD-16 diagnostic
connector
To connect on vehicle’s OBD II DLC.
2
Mode indicator
y
It illuminates red when the VCI device is
connected to the vehicle’s DLC.
y
Blue indicates the VCI device is working in
wireless (BT) communication mode.
1.3.2 VCI module (Only for Commercial Vehicle/Gasoline & Diesel
Configuration)
Compatible with commercial & passenger vehicles, the VCI module works as a
vehicle communication interface device. It is used to read the vehicle data and
then send it to the tablet via Bluetooth/Wi-Fi communication or USB cable
connection. The LED indicators enable you to easily identify the working status
of the module.