Launch X-431 Manual
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Launch X-431 Manual

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Version: V1.00.000
Revised date: July 24, 2019
Statement: LAUNCH owns the complete intellectual property rights for the
software used by this product. For any reverse engineering or cracking actions
against the software, LAUNCH will block the use of this product and reserve the
right to pursue their legal liabilities.
www.diagtools.eu, Pernavas 43A, Riga, Latvia, LV-1009, +37129416069, info@diagtools.eu

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Summary of Contents for Launch X-431

  • Page 1 Statement: LAUNCH owns the complete intellectual property rights for the software used by this product. For any reverse engineering or cracking actions against the software, LAUNCH will block the use of this product and reserve the right to pursue their legal liabilities.
  • Page 2 Contact the dealer for factory replacement.  CAUTION: Please use the included battery and charger. Risk of explosion if the battery is replaced with an incorrect type. Precautions on Using X-431 Euro Mini Before using this test equipment, please read the following safety information carefully.
  • Page 3 LAUNCH X-431 Euro Mini User Manual necessary.  Do not drive the vehicle and operate the test equipment at the same time. Any distraction may cause an accident.  Keep clothing, hair, hands, tools, test equipment, etc. away from all moving or hot engine parts.

  • Page 4: Table Of Contents

    TABLE OF CONTENTS 1 INTRODUCTION .................... 1 1.1 P ..................1 RODUCT ROFILE 1.2 F ....................1 EATURES 2 KNOWLEDGE OF X-431 EURO MINI ............2 2.1 X-431 E ..............2 ANDSET 2.2 T ..............3 ECHNICAL PECIFICATIONS 2.3 P ..................
  • Page 5 LAUNCH X-431 Euro Mini User Manual 5 DIAGNOSIS....................17 5.1 D ....................17 IAGNOSE 5.1.1 Health Report (Quick Test) ............. 18 5.1.2 System Scan .................. 19 5.1.3 System Selection ................20 5.2 H ? ............29 OW TO VIEW DIAGNOSTIC HISTORY 5.3 H...
  • Page 6 LAUNCH X-431 Euro Mini User Manual 9.1 M .................... 43 EPORT 9.2 VCI ......................44 9.3 A VCI ..................44 CTIVATE 9.4 F ..................45 IRMWARE 9.5 M ....................45 9.6 P ....................45 ROFILE 9.7 C ................46 HANGE PASSWORD 9.8 S...

  • Page 7: Introduction

    X-431 Euro Mini User Manual 1 Introduction 1.1 Product Profile X-431 Euro Mini is a new Android-based vehicle trouble diagnostic tool. It is characterized by covering a wide range of vehicle models, featuring powerful functions, and providing precise test result.

  • Page 8: Knowledge Of X-431 Euro Mini

    LAUNCH X-431 Euro Mini User Manual 2 Knowledge of X-431 Euro Mini 2.1 X-431 Euro Mini Handset Fig. 2-1 In Off mode, press it for 3 seconds to turn the tool on. POWER key In On mode:  Press it to activate the LCD if the LCD is off.

  • Page 9: Technical Specifications

    LAUNCH X-431 Euro Mini User Manual  Press it to turn off the LCD if the LCD lights up.  Press it for 3 seconds to turn it off. DB-15 diagnostic connector Press to navigate to the Job Menu. Move cursor up or down for selection.

  • Page 10: Package List

    LAUNCH X-431 Euro Mini User Manual Storage 16GB 7 inch capacitive touch screen Screen OBD II input voltage 9~18V range • DC 5V charging cable Charging via • Diagnostic cable through connection to vehicle’s Working temperature 0℃ ~ 50℃ Storage temperature -20℃...
  • Page 11 LAUNCH X-431 Euro Mini User Manual Non-16pin adaptor To connect to the vehicle equipped cable kit with non-OBD II management system. www.diagtools.eu, Pernavas 43A, Riga, Latvia, LV-1009, +37129416069, info@diagtools.eu...

  • Page 12: Preparations

    LAUNCH X-431 Euro Mini User Manual 3 Preparations 3.1 Charging the tool 1. Insert one end of the included charging cable into the power adaptor. 2. Connect the other end into the DC-IN port of the tool. 3. Plug the adaptor into AC outlet.

  • Page 13: Screen Layout

    LAUNCH X-431 Euro Mini User Manual 3.4 Screen layout There are the following on-screen buttons available on the bottom of the screen. Tap to navigate to the Job Menu. Tap it to display a list of applications that are currently running or recently used.

  • Page 14: Disconnect From A Wi-Fi Network

    LAUNCH X-431 Euro Mini User Manual 3. Choose the desired Wi-Fi access point / network,  If the network you chose is open, you can connect directly.  If the selected network is encrypted, you have to enter the right security key (network password).

  • Page 15: Initial Use

    LAUNCH X-431 Euro Mini User Manual 4 Initial Use 4.1 Getting Started For new users, please follow the operation chart shown in Fig. 4-1 to start using this tool. Fig. 4-1 www.diagtools.eu, Pernavas 43A, Riga, Latvia, LV-1009, +37129416069, info@diagtools.eu...

  • Page 16: Register & Download Diagnostic Software

    LAUNCH X-431 Euro Mini User Manual 4.2 Register & Download Diagnostic Software 4.2.1 User registration After the tool is initialized, tap “Login” on the upper right corner of the screen, a screen similar to the following appears. Fig. 4-2 (If you are a new user, follow to proceed.)
  • Page 17 LAUNCH X-431 Euro Mini User Manual Fig. 4-4 In Fig. 4-4, input the Serial Number and Activation Code, which can be found in the password envelope. Product SN Product SN Activation code Fig. 4-5 Note: To exit and activate it later, tap “Skip”. In this case, you can activate your connector by tapping “Activate VCI”...

  • Page 18: Job Menu

    LAUNCH X-431 Euro Mini User Manual Fig. 4-6 To download the diagnostic software, tap “Yes” to enter the software update screen. Tap “No” to download and install it later. On the update page, tap “Update” to start downloading. To pause downloading, tap “Stop”.

  • Page 19: Vehicle Menu Layout

    LAUNCH X-431 Euro Mini User Manual Generally once a vehicle diagnosis is performed, the tool will automatically save every details of diagnostic Diagnostic History process. This function provides a quick access to the tested vehicles. Test can be resumed from the last operation, without starting from scratch.

  • Page 20: Diagnostics Toolbar

    LAUNCH X-431 Euro Mini User Manual Search bar: Enables you to use the virtual keyboard to quickly locate the vehicle model. Input the desired vehicle model to start searching. 4.2.4 Diagnostics toolbar The diagnostics toolbar contains a number of buttons that allow you to print the displayed data or make other controls.

  • Page 21: Vehicle Connection

    LAUNCH X-431 Euro Mini User Manual 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 location.
  • Page 22 LAUNCH X-431 Euro Mini User Manual Fig. 4-9 B. Battery Clamps Cable (not included): Connect one end of the battery clamps cable to vehicle’s battery, and the other end to the power jack of OBD I adaptor. Fig. 4-10 www.diagtools.eu, Pernavas 43A, Riga, Latvia, LV-1009, +37129416069, info@diagtools.eu...

  • Page 23: Diagnosis

    LAUNCH X-431 Euro Mini User Manual 5 Diagnosis 5.1 Diagnose Tap “Diagnose” to enter the vehicle selection page. Tap a corresponding diagnostic software logo, and then follow the on-screen instruction to access the diagnostic software. Take Demo as an example to demonstrate how to diagnose a vehicle.

  • Page 24: Health Report (Quick Test)

    On-screen Buttons: Enter: Tap to enter the diagnostic menus of the current system. Search: Tap to launch the browser to search for more detailed information about the current DTC online. Clear DTC: Tap to clear the existing diagnostic trouble codes.

  • Page 25: System Scan

    LAUNCH X-431 Euro Mini User Manual proper repairs to correct the problem that caused the code(s) to be set are not made, the code(s) will appear again and the check engine light will illuminate as soon as the problem that cause the DTC to set manifests itself.

  • Page 26: System Selection

    LAUNCH X-431 Euro Mini User Manual scanning is complete, the screen will display the result. Fig. 5-5 Tap the desired system to advance to the test function selection page. For detailed operations on test function, please refer to Chapter 5.1.3.
  • Page 27 LAUNCH X-431 Euro Mini User Manual Fig. 5-7 Note: Different vehicle has different diagnostic menus. A. Version Information This function is used to read the version information of system mode, vehicle VIN, software and ECU. B. Read Fault Code This function displays the detailed information of DTC records retrieved from the vehicle’s control system.
  • Page 28 LAUNCH X-431 Euro Mini User Manual Fig. 5-8 On-screen Buttons: Freeze Frame: When an emission-related fault occurs, certain vehicle conditions are recorded by the on-board computer. This information is referred to as freeze frame data. Freeze frame data includes a snapshot of critical parameter values at the time the DTC is set.
  • Page 29 LAUNCH X-431 Euro Mini User Manual Fig. 5-9 Tap “Yes”, the system will automatically delete the currently existing trouble code. *Note: After clearing, you should retrieve trouble codes once more or turn ignition on and retrieve codes again. If there are still some trouble codes in the system, please troubleshoot the code using a factory diagnosis guide, then clear the code and recheck.
  • Page 30 LAUNCH X-431 Euro Mini User Manual On-screen Buttons: Select Page: Tap it to select all items of the current page. Select All: Tap it to select all items. To select certain data stream item, just check the box before the item name.
  • Page 31 LAUNCH X-431 Euro Mini User Manual  Graph – displays the parameters in waveform graphs.  Combine – this option is mostly used in graph merge status for data comparison. In this case, different items are marked in different colors.
  • Page 32 LAUNCH X-431 Euro Mini User Manual Fig. 5-13 Save Sample: This item enables you to customize the standard range of live data stream items and save it as DS sample file. Each time you run the data stream items, you can call out the corresponding sample data to overwrite the current standard range.
  • Page 33 LAUNCH X-431 Euro Mini User Manual Tap the Min./Max. value to change it. After modifying all desired items, tap “Save” to save it as a sample DS file. All DS files are stored under the “Data Stream Sample” file in “User Info”.
  • Page 34 LAUNCH X-431 Euro Mini User Manual • Value: Switches the current graph display mode to Value display mode. • Report: To save the current data in text format. All reports are saved under the tab “Diagnostic Report” in “My Report” from “User Info” menu.

  • Page 35: How To View Diagnostic History

    LAUNCH X-431 Euro Mini User Manual In Fig. 5-7, tap “Actuation Test”, the system will display as follows: Fig. 5-19 Simply follow the on-screen instructions and make appropriate selections to complete the test. Each time when an operation is successfully executed, “Completed”...
  • Page 36 LAUNCH X-431 Euro Mini User Manual column of the screen. A. Feedback Tap a tested vehicle model to enter the feedback screen. 1) Tap “Choose File” to open the target folder and choose the desired diagnostic logs. 2) Choose the failure type and fill in the detailed failure description in the blank text box and telephone or email address.

  • Page 37: Special (Reset) Function

    LAUNCH X-431 Euro Mini User Manual 6 Special (Reset) Function In addition to amazing & powerful diagnostic function, the tool also features various service functions. The most commonly performed service functions contain:  Oil Reset Service  Electronic Parking Brake Reset ...

  • Page 38: Electronic Parking Brake Reset

    LAUNCH X-431 Euro Mini User Manual 6.2 Electronic Parking Brake Reset 1. If the brake pad wears the brake pad sense line, the brake pad sense line sends a signal sense line to the on-board computer to replace the brake pad.

  • Page 39: Gear Learning

    LAUNCH X-431 Euro Mini User Manual 2. Tire pressure resetting must be performed after maintenance is performed in the following cases: tire pressure is too low, tire leaks, tire pressure monitoring device is replaced or installed, tire is replaced, tire pressure sensor is damaged, and tire is replaced for the car with tire pressure monitoring function.

  • Page 40: Injector Coding

    LAUNCH X-431 Euro Mini User Manual BCM, or remote control battery is replaced, anti-theft key matching must be performed. 6.8 Injector Coding Write injector actual code or rewrite code in the ECU to the injector code of the corresponding cylinder so as to more accurately control or correct cylinder injection quantity.

  • Page 41: Electronic Throttle Position Reset

    LAUNCH X-431 Euro Mini User Manual d) The catalytic oxidizer is removed or replaced. e) The DPF regeneration MIL is on and maintenance is performed. f) The DPF regeneration control module is replaced. 6.11 Electronic Throttle Position Reset This function enables you to make initial settings to throttle actuators and returns the “learned”...

  • Page 42: Software Update

    LAUNCH X-431 Euro Mini User Manual 7 Software Update This module allows you to update the diagnostic software & App and set frequently used software. If you did not download the software in process of product registration or a pop-up message prompting you that some new software can be updated, you may use this option to download it or keep it synchronized with the latest version.

  • Page 43: Renew Subscription

    LAUNCH X-431 Euro Mini User Manual Fig. 7-2 Tap “+” on the right edge of the screen, a pop-up window appears. Select the checkbox before the software name and tap “SAVE”, the software will be displayed in the Common software list. Next time you want to update it, just go to “Common Software”.
  • Page 44 LAUNCH X-431 Euro Mini User Manual 3. Input the 24-digit pin code of Subscription Renewal Card and then tap “Submit” to finish the renewal. 4. Go to update center to update the diagnostic software. www.diagtools.eu, Pernavas 43A, Riga, Latvia, LV-1009, +37129416069, info@diagtools.eu...

  • Page 45: Other Modules

    LAUNCH X-431 Euro Mini User Manual 8 Other Modules 8.1 Email The function allows you to send and receive email. *Note: Before sending or receiving email, you have to set up an email account. In addition, this function required a stable network connection.

  • Page 46: Teamviewer

    LAUNCH X-431 Euro Mini User Manual Fig. 8-1 2. Your partner must install the TeamViewer full version program (if not installed, go to http://www.teamviewer.com to download it), and then start the software on his/her computer at the same time, in order to provide support and take control of your tablet remotely.

  • Page 47: System Ota Upgrade

    LAUNCH X-431 Euro Mini User Manual Fig. 8-2 2. Your partner must install the TeamViewer QuickSupport program (if not installed, go to http://www.teamviewer.com to download it), and then start the software on his/her computer/mobile device at the same time, in order to control the partner's computer/mobile device remotely.

  • Page 48: File Explorer

    LAUNCH X-431 Euro Mini User Manual 8.4 ES File Explorer ES File Explorer is a file and application manager. You can access and create folders on the tablet without needing to connect it to a computer. The app also features an application manager, task killer and download manager.

  • Page 49: User Info

    LAUNCH X-431 Euro Mini User Manual 9 User Info This function allows users to manage personal information and activate the VCI. 9.1 My Report This option is used to view the diagnostic report generated in process of vehicle diagnosis. Additionally, delete and share operations are also supported.

  • Page 50: Vci

    LAUNCH X-431 Euro Mini User Manual Fig. 9-2 On-screen Buttons: Graph – displays the parameters in waveform graphs. Value – this is the default mode which displays the parameters in texts and shows in list format. Combine – this option is mostly used in graph merge status for data comparison.

  • Page 51: Firmware Fix

    LAUNCH X-431 Euro Mini User Manual Fig. 9-3 Input the Serial Number and Activation Code, and then tap “Activate” to activate the VCI dongle. For details on how to obtain Activation Code, tap the link below to get help. 9.4 Firmware Fix Use this item to upgrade and fix diagnostic firmware.

  • Page 52: Change Password

    LAUNCH X-431 Euro Mini User Manual Fig. 9-4 • Tap the user image to change it. • Tap > next to “Free Upgrade Period” to check the due date of all diagnostic software. 9.7 Change password This item allows you to modify your login password.

  • Page 53: Printer Set

    LAUNCH X-431 Euro Mini User Manual Fig. 9-5 After inputting, tap “Save”. Once you saved the print information, it will be entered automatically in the “Add Information” box every time you save the diagnostic report. 9.8.3 Printer Set This option is designed to establish a wireless connection between the tool and the Wi-Fi printer (sold separately) while performing printing operations.

  • Page 54: Clear Cache

    LAUNCH X-431 Euro Mini User Manual 2. For initial use, you are suggested to reset the printer: Press and hold [MODE] & [FEED] for 8 seconds, the following resetting command will be printed out: at + default = 1 at + reboot = 1 rebooting...

  • Page 55: Login/Logout

    LAUNCH X-431 Euro Mini User Manual 9.8.6 Login/Logout To logout the current user ID, tap “Logout”. To login the system again, tap “Login”. www.diagtools.eu, Pernavas 43A, Riga, Latvia, LV-1009, +37129416069, info@diagtools.eu...

  • Page 56: Faq

    LAUNCH X-431 Euro Mini User Manual 10 FAQ 1. How to save power?  Please turn off the screen while the tool keeps idle.  Set a shorter standby time.  Decrease the brightness of the screen.  If WLAN connection is not required, please turn it off.
  • Page 57 LAUNCH X-431 Euro Mini User Manual 5. How to register the tool? Note: Before registration, please make sure the network is properly connected. A. If this is the first time using the tool, please refer to "Chapter 4.2.1" in the user manual for product registration.
  • Page 58 The exclusive remedy for any automotive meter found to be defective is repair or replacement, and LAUNCH shall not be liable for any consequential or incidental damages.
  • Page 59 Statement: LAUNCH reserves the rights to make any change to product designs and specifications without notice. The actual object may differ a little from the descriptions in the manual in physical appearance, color and configuration. We have tried our best to make the descriptions and illustrations in the manual as...

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