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Downloads and user manuals

Launch X-431 PRO4 FAQ (.pdf, English)

User´s manual (.pdf, short manual, in English)

Download product brochure and comparison table with X-431 PRO3 V2 (.pdf, English)
Professional diagnostic scanner
with high quality indutry design
Options and accessories
Code: L0022
X-431 Stand
Code: L0011
Wi-Fi Printer
Code: DY005
Golo Carcare
Accsessory for telediagnostics
(for private costumers)
Code: L0023
LAUNCH HaynesPro
Download PDF >>>
Professional database for
workshop on X431 Tools
X-431 Euro Pro4 is a new high technology intelligent vehicle diagnosis solution developed by LAUNCH. With the new “intelligent" and "cloud" diagnostic technologies Euro Pro4 makes the car diagnostic even more intelligent and efficient. It inherits all LAUNCH diagnostic advantages and technologies, such as wide car model coverage, powerful test function, abundant special functions and accurate test data. With a new Launch wireless connector it can test mostly all car models of Asia, Europe and America and achieves in depth diagnostic functions even for the luxury cars such as Maserati and Ferrari. Also, Euro Pro4 has the high quality industry design for better protection and new user-friendly interface. The new docking station and back bracket helps store and charge the unit easer.
Diagnostic functions

• Wide car model coverage (over 100 car brands) and complete diagnostic of all car systems
• Component actuation test, adaptation, coding and online programming
• Service remaind indicator reset and adapation/coding
• Special functions
• Extended diagnostic functions
• Intelligent VinScan model and correct system selection (VIN Scan over OBD-II, car brand search function)
• DTC reading, translation and searching online (DTC online search: simple and fast)
• Showing data stream in different formats (as graphs, digital format, predetermined value and current values)
• System reading and identification (also automatically with Vin-search function)
• Remonte diagnostic functions with a compatible scanner such as Pro, Pro3, Pro4, Pad II... or Golo Carcare or Golo X

* Features may vary by make, model and car specific electronic system.
Integrated optional professional database

• Analyze and solve the problem with powerful
database (wiring diagrams, componet location,
verified fixes and tips…) 
• One month for free to test

New user friendly interface

• User friendly interface with all commonly used functions on one screen
• New error code and live data representation screen with view in different formats
Intelligent diagnostic report

" Show DTC status of each ECU
" Save as screenshot and PDF file
" Easy to print using optional WiFi printer
One click update

• Easy update with one button click utility - simply and easy to use
• Update reminder function and prompt to update information (pop-up screen)
Extended functions and optional modules

• Can be used as convetional Android tablet with a possibility install the apps
Tablet specifications

• OS: Android 7.1
• CPU: 1.4 GHz 4 Cores
• RAM: 2GB
• Battery: 7000 mAh lithium polymer battery
• Screen: 10.1" capacitive touch screen
• Resolution: 1280*800
• Storage: 16GB, support TF card up to 128GB
• Working temp.: -10
- 50
• Camera: rear 5.0 Mpix
• Dimensions: 264 × 210 × 30 mm (L*W*H)
DBSCar V connector specifications

• Dimensions: 109 * 62 * 29 mm (L*W*H)
• Working voltage: 9V DC-18V DC
• Test voltage: DC 12V
• Power consumption: max 2W
• Bluetooth 4.0: up to 50 meters
• Diagnostic method: Bluetooth + wired
• Working temp.: -10C - 50C
• Indicator: red for power, blue for Bluetooth in wireless mode
• USB Port: green when connected with USB cable
Printer & docking station

• Practic design with back bracket for store the unit in working process
• Docking station is a compact and practical storage for the unit, connector and optional Wi-Fi printer
Main specifications

• Processor: 1.4 GHz 4 cores
• Internal memory/storage: 2 GB / 16 GB
• Display: capacitive screen 10.1 inch, 1280*800
• Battery: Lion, 7000 mAh
• Operation system: Android 7.1
• Weight of tablet: 0,5 kg
• Dimensions of tablet: 264 × 210 × 30 mm (L*W*H)
• Packaging size: 600 x 170 x 415 mm (L*W*H)
• Total weight: netto 8 kg
Delivery pack

• X431 PRO4 main unit
• DBScar V Bluetooth connector
• Dock station
• Diagnostic adapter and accessories (inluding adapter set for older diagnostic sockets)
• Carrying case

© 1999–2021 Diagtools SIA, Diagtools SL. All rights reserved.

• Vehicle coverage inquiry system - the supported functions can be inquiried according to different vehicle models.
• Diagnostic history & quick access - the historical diagnostic processes and results can be checked on Euro Pro4. „Quick access“ provieds the quick connection to the  tested vehicle.
Code: L0015
X-431 ADAS
Universal calibration equipment
for ADAS cameras and sensors