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 X-431 PADII
 
User's Manual
4 Wi-Fi Setting
 
Note: Once Wi-Fi is set as ON, X-431 PADII will consume more 
power. While Wi-Fi keeps unused, please set it off to save power. 
On the main menu screen, tap Settings > Wi-Fi.1. 
Fig. 4-1
Tap or slide the Wi-Fi switch to ON, X-431 PADII starts searching 2. 
all available wireless LANs. 
Choose the desired Wi-Fi,3. 
If the network you chose is open, you can connect on it directly;• 
If the selected network is encrypted and secured with WPA, you • 
have to input the right access password to connect. 
Once it is connected successfully, tap the Wi-Fi from the list to view its 
name, link speed, security type, IP address etc. 
When X-431  PADII  is  in  range  of  the  WLAN,  it  will  connect to  the 
previously linked network automatically.  
5 How to diagnose
5.1 Connections
5.1.1 Preparation
Normal testing conditions
Turn on the vehicle power supply.• 
Vehicle battery voltage range should be 9-14V and working voltage • 
of X-431 PADII is 5V. 
Throttle should be closed at its close position. • 
Ignition  timing  and  idle  speed  should  be  within  specified range; • 
water and  transmission oil temperature are within  normal working 
range (water temperature is 90-110
℃
  and  transmission  oil 
temperature is 50-80
℃
). 
Select testing connectors
If X-431  PADII  is  testing  vehicles equipped with universal OBD II 16 
PIN diagnostic socket, please use the included diagnostic connector. 
(For vehicles with non-OBD II 16 PIN diagnostic socket, a non-16 PIN 
connector is required.)
5.1.2 DLC Location
The  DLC (Data  Link Connector or Diagnostic Link  Connector) is  the 
standardized  16-cavity  connector  where  diagnostic  code  readers 
interface  with  the  vehicle’s  on-board  computer. The DLC  is  usually 
located 12 inches from the center of the instrument panel (dash), under 
or around the driver’s side for most vehicles. If Data Link Connector is 
not located under dashboard, a label should be there telling location. 
For some Asian and European vehicles, the DLC is located behind the 
ashtray and the ashtray must be removed to access the connector. If 
the DLC cannot be found, refer to the vehicle’s service manual for the