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Launch X431 IV X431 GX4 Update Online Technical Service



Original Launch X431 IV X431 GX4 Update Online
X431 IV highlights, X431 IV VS X431 Master

Now Launch IV supports one click online update ,first insert TF card to pc ,install the update tool ,it will download all the update software automatically ,you don't need to download one by one any more .

Launch X431 IV consists of three components: Main unit, SMARTBOX and Mini printer, and they are a whole unit (permanently connected) means the communication time between Smartbox and main unit is reduced and solve the communication stop problem that frequently insert and pull to cause a loose connection among the three components.
X-431 IV Auto Scanner has a new connector called OBDII 16E connector to replace SMART OBDII-16, SMART OBDII-16C, CAN BUSI, CAN BUSII, Zhonghua-16, TOYOTA-16, BMW-16, AUDI K-L CONVETER, CITROEN-16 and SUPER-16. OBDII 16E connector can be rotated 90°, not easy to break the cable. 
Q: How to use and update Launch X431 IV? 
A:Free download Launch X431 IV update instruction file http://www.uobd2.com/upload/pro/launch-x431-software-update-instruction.pdf, this file step-by-step show us how to active X431 IV, register CC number, pay and download the software. X431 IV is free one-year update on http://mycar.x431.com/.
Q: X431 Master VS X431 IV
A: X431 Master and X431 IV have the same function and available with the same language.
X431 IV is the update version of X431 Master.
Launch X431 IV supports Australian Holden and Ford, Indian car model, and also supports 12V/24V car models, while X431 Master does not work with Australian Holden and Ford. 
X431 IV works faster than X-431 Master
X431 IV is smaller than X-431 Master

X431 IV Components Sketch:

  1. Diagnostic connector (rotatable)
  2. SMARTBOX Power indicator
  3. Indicator to show SMARTBOX sending data to the main unit
  4. Indicator to show SMARTBOX receiving data from the main unit
  5. Indicator to show SMARTBOX sending data to ECU
  6. Indicator to show SMARTBOX receiving data from ECU
  7. Serial port (to connect with PCLINK for extending functions)
  8. Touch screen
  9. HOTKEY button
  10. Power button
  11. Printer LF button (paper feed)
  12. Printer ready indicator
  13. Paper out (printed the data)
  14. CF card slot (to install CF card)
  15. Printer cover (to install printing paper)
  16. Stylus slot ( to place the stylus)
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