... strong expandability.UsagePlease according to automobile diagnotic socket,Then select adaptor and connect to the main cable and ... main unit,Then Power on the main unit,Run X-431master software,select car by menu; ... 3. And Method 2 is for other conditions. Select the correct connector to test with Method 4. 2 ... . This time, confirm the GND location and select the correct connector as well as using the ...