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LAUNCH
X-431 IMMO Pro User Manual
Trademark Information
Copyright © 2021 by LAUNCH TECH CO., LTD (also called LAUNCH for short).
All rights reserved. No part of this publication may be reproduced, stored in a
retrieval system, or transmitted in any form or by any means, electronic,
mechanical, photocopying, recording or otherwise, without the prior written
permission of LAUNCH.
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.
Disclaimer of Warranties and Limitation of Liabilities
All information, illustrations, and specifications in this manual are based on the
latest information available at the time of publication.
The right is reserved to make changes at any time without notice. We shall not
be liable for any direct, special, incidental, indirect damages or any economic
consequential damages (including the loss of profits) due to the use of the
document.
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Summary of Contents for Launch X-431 IMMO Pro

  • 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 LAUNCH X-431 IMMO Pro User Manual Using This Manual This manual contains device usage instructions. Some illustrations shown in this manual may contain modules and optional equipment that are not included in your system. The following conventions are used. Bold Text Bold text is used to highlight selectable items such as buttons and menu options.
  • Page 3 LAUNCH X-431 IMMO Pro User Manual Illustrations Illustrations used in this manual are samples, the actual testing screen may vary for each vehicle being tested. Observe the menu titles and on-screen instructions to make correct option selection. Important Safety Precautions To avoid personal injury, property damage, or accidental damage to the product, read all of the information in this section before using the tool.
  • Page 4 LAUNCH X-431 IMMO Pro User Manual ignition wires and spark plugs. These components create hazardous voltage when the engine is running.  To avoid damaging the tool or generating false data, please make sure the vehicle battery is fully charged and the connection to the vehicle DLC (Data Link Connector) is clear and secure.
  • Page 5 LAUNCH X-431 IMMO Pro User Manual being tested.  The vehicle parts and the X-PROG 3 components are welded at a constant temperature.  When welding vehicle parts with the X-PROG 3 components, the unit is powered off and is grounded.
  • Page 6: Table Of Contents

    LAUNCH X-431 IMMO Pro User Manual TABLE OF CONTENTS 1 Introduction....................1 1.1 Product Profile ..................1 1.2 Components & Controls ................2 1.2.1 Display Tablet ...................2 1.2.2 VCI Connector .................4 1.3 Technical Parameters ................6 1.4 Package List ....................6 2 Initial Use ...................... 8 2.1 Charging &...
  • Page 7 6.2.3 System Selection ................38 6.3 Remote Diagnose .................. 46 6.3.1 Add Friends ..................47 6.3.2 Start Instant Messaging ..............49 6.3.3 Launch Remote Diagnosis (Device-To-Device) ......50 6.3.4 Launch Remote Diagnosis (Device-To-PC) ........53 6.4 Feedback ....................55 6.5 Diagnostic History.................. 56 7 Service (Reset) Function ................
  • Page 8 LAUNCH X-431 IMMO Pro User Manual 9 Other Modules .................... 64 9.1 Toolbox ....................64 9.1.1 BST360 (Battery Tester) ..............64 9.1.2 Videoscope ..................64 9.1.3 S2-2 Sensorbox ................64 9.1.4 S2-2 Multimeter ................64 9.2 User Info ....................64 9.2.1 My Report ..................
  • Page 9: Introduction

    X-431 IMMO Pro User Manual 1 Introduction 1.1 Product Profile X-431 IMMO Pro is a powerful Android-based diagnostic tool. It inherits from LAUNCH’s advanced diagnosing technology and is characterized by covering a wide range of vehicles, featuring powerful functions, and providing precise test result.
  • Page 10: Components & Controls

    LAUNCH X-431 IMMO Pro User Manual  Diagnostic History: This function provides a quick access to the tested vehicles and users can choose to view the test report or resume from the last operation, without starting from scratch.  Feedback: Enables you to submit the vehicle issue to us for analysis and troubleshooting.
  • Page 11 LAUNCH X-431 IMMO Pro User Manual Microphone • Connects to the VCI connector to perform vehicle diagnosis via the USB cable. Type-A USB Port • Connects to compatible add-on modules (such as Videoscope) or USB storage devices. • Connects to AC outlet for charging.
  • Page 12: Vci Connector

    LAUNCH X-431 IMMO Pro User Manual LCD Screen Indicates the test result. Speakers Rear Camera Microphone 1.2.2 VCI Connector The VCI connector works as a vehicle communication interface device, which is used to connect to the vehicle’s DLC (Data Link Connector) socket via the diagnostic cable to read the vehicle data and then send it to the tablet.
  • Page 13 LAUNCH X-431 IMMO Pro User Manual Illuminates red while the VCI is powered up. Power indicator Illuminates green and flashes when the VCI Vehicle indicator is communicating with the vehicle.  Illuminates blue when the VCI is communicating with the tablet via Bluetooth.
  • Page 14: Technical Parameters

    LAUNCH X-431 IMMO Pro User Manual 1.3 Technical Parameters Display Tablet Operating system Android Memory Storage 64GB 8 inch capacitive touch screen with a Screen resolution of 1280 x 800 pixels Camera Rear-facing 8.0MP camera  Wi-Fi (802.11a/b/g/n/ac) Connectivity  Bluetooth Working temperature 0℃...
  • Page 15 LAUNCH X-431 IMMO Pro User Manual data. Connects the VCI connector to Diagnostic cable vehicle’s OBD II diagnostic socket. A piece of paper bearing the product Password envelope Serial Number and Activation Code for product registration. Power adaptor Charges the tablet via AC outlet.
  • Page 16: Initial Use

    Recent App: Views the running applications. VCI Connection: Shows whether the VCI device is properly connected or not. Screenshot: Captures the current screen. Back: Returns to the previous screen. Basic Gestures Single-tap: To select an item or launch a program.
  • Page 17: Change System Language

    LAUNCH X-431 IMMO Pro User Manual Double-tap: To zoom in so that the text on a webpage appears in a column that fits your device’s screen. Long press: Tap and hold on the current interface or area until a contextual menu pops up on the screen, and then release it.
  • Page 18: Network Setup

    2.7 Network Setup The tablet has built-in Wi-Fi that can be used to get online. Once you’re online, you can register your tool, surf the Internet, get apps, send email, launch the remote diagnosis, and check for software updates etc.
  • Page 19: Getting Started

    3.1 Register & Update Follow the steps below to proceed registration and update: Tap the application icon on the home screen to launch it, and then tap Login to enter the login interface of diagnosis software. (If you are a new user, follow to proceed.)
  • Page 20 LAUNCH X-431 IMMO Pro User Manual Fill in the information in each field (Items with * must be filled). After inputting, tap Register, the following screen will appear: Input the 12-digit Product Serial Number and 8-digit Activation Code (can be obtained from the password envelope), and then tap Activate.
  • Page 21: Job Menu

    LAUNCH X-431 IMMO Pro User Manual No to ignore it. In this case, follow Chapter 8 to check for updates. After the registration is successfully complete, the wireless communication between the tablet and the VCI device is automatically established and user has no need to configure it again.
  • Page 22: Diagnostics Toolbar

    Check the historical repair records online. Local Diagnose Diagnose a vehicle manually. This option aims to help repair shops or technicians Remote Diagnose launch instant messages and remote diagnosis, making the repair job getting fixed faster. Perform commonly used repair & maintenance Service Function services.
  • Page 23 LAUNCH X-431 IMMO Pro User Manual the screen and goes through the whole diagnostic session. The table below provides a brief description for the operations of the diagnostics toolbar buttons: Name Button Description Home Returns to Job menu screen. Tap to print the current screen. Before printing,...
  • Page 24: Connections

    LAUNCH X-431 IMMO Pro User Manual 4 Connections 4.1 Preparation  The vehicle ignition is turned on.  The vehicle battery voltage range is 11-14 volts.  The throttle is in the closed position.  Find DLC location. The DLC(Data Link Connector) is usually located 12 inches from the center of the instrument panel, under or around the driver’s side for most vehicles.
  • Page 25: Obd Ii Vehicle Connection

    LAUNCH X-431 IMMO Pro User Manual communication and 12V power through a standardized DLC.  A vehicle not equipped with an OBD II management system supplies communication through a DLC connection, and in some cases supplies 12V power through the cigarette lighter receptacle or a connection to the vehicle battery.
  • Page 26 LAUNCH X-431 IMMO Pro User Manual B. Cigarette Lighter Cable (optional): If you choose to perform vehicle diagnosis via data cable, connect one end of the data cable into the VCI, and the other end into the USB port of the tablet.
  • Page 27: Key Immobilizer & Immobilizer Programming

    LAUNCH X-431 IMMO Pro User Manual 5 Key Immobilizer & Immobilizer Programming 5.1 Key Immobilizer (IMMO) This function enables you to perform the anti-theft key matching function, so that the immobilizer control system on the car identifies and authorizes remote control keys to normally use the car.
  • Page 28: Immobilizer Operations

    LAUNCH X-431 IMMO Pro User Manual 5.1.2 Immobilizer operations Here we take the BMW for example to demonstrate how to perform the functions of key adding and all lost for BMW CAS4/CAS4+ Anti-theft system module. 1) Tap IMMO and select BMW to enter the software.
  • Page 29 LAUNCH X-431 IMMO Pro User Manual 2) Tap OK. 3) Enter the Anti-Theft System, follow the illustration below to connect the VCI, vehicle and X-PROG3/X-PROG (*needs to purchased separately) to perform the next step. 4) If you don't know the type of the Anti-Theft System, tap Intelligent Mode to...
  • Page 30 LAUNCH X-431 IMMO Pro User Manual 5) Tap CAS4/CAS4+ Anti-Theft System, the following screen will appear: 6) Tap Preprocessing to perform Read Anti-Theft data, Key Matching and more. If it has already been preprocessed, here you can perform the relevant functions.
  • Page 31 LAUNCH X-431 IMMO Pro User Manual 8) After preprocessing succeeded, tap OK. 9) Return to the function menu and tap Key Learning. 10) After the key information successfully read, select the unused key position and tap Key Generated By Ignition Switch.
  • Page 32 LAUNCH X-431 IMMO Pro User Manual 11) Read and display the password, and tap OK. 12) Place a new key close to vehicle coil, tap OK, and wait for the key to generate. 13) After the dealer key is successfully generated, please try to start the vehicle.
  • Page 33: Immobilizer Programming (Immo Prog)

    LAUNCH X-431 IMMO Pro User Manual 14) Now the key matching is finished and the new key is ready for use. 5.2 Immobilizer Programming (IMMO PROG) The X-PROG 3 is required when performing this operation. It has the following functions: 1).
  • Page 34: Diagnosis

    LAUNCH X-431 IMMO Pro User Manual 6 Diagnosis 6.1 Intelligent Diagnose Through simple Bluetooth communication between the display tablet and VCI, you can easily get the VIN (Vehicle Identification Number) information of the currently identified vehicle. Once the VIN is successfully identified, the system will retrieve it from the remote server and then guide you to vehicle information page without the necessity of step-by-step manual menu selection.
  • Page 35 LAUNCH X-431 IMMO Pro User Manual • Tap Maintenance record to view its historical repair record. If there are records available, it will be listed on the screen in sequence of date. If no records exist, the screen will show “No Record”.
  • Page 36 LAUNCH X-431 IMMO Pro User Manual Place the VIN inside the viewfinder rectangle to scan it. The most recognizable location for this number is in the top left corner on the vehicle’s dashboard. Other locations include the driver’s door or post, and the firewall under the hood.
  • Page 37: Local Diagnose

    LAUNCH X-431 IMMO Pro User Manual • If the VIN scanned is incorrect, tap the result field to modify it and then tap • To scan it again, tap REPEAT. If the VIN exists on the remote server, the system will enter the diagnostic function selection screen.
  • Page 38 LAUNCH X-431 IMMO Pro User Manual In this case, camera scan and enter VIN are available. A. Camera Scan: In this mode, the VCI should be connected to the vehicle’s DLC first, and then a Bluetooth communication should be established between the tablet and the VCI.
  • Page 39 LAUNCH X-431 IMMO Pro User Manual scanned before. • Tap to input the VIN manually if the tablet has failed to identify the VIN of the vehicle. • Tap to scan the VIN barcode. If the VIN barcode cannot be recognized, please manually input the VIN.
  • Page 40 LAUNCH X-431 IMMO Pro User Manual Input the VIN, and tap OK, the tablet will automatically identify the vehicle model and directly navigate to the diagnostic function selection menu. 2. Tap a corresponding diagnostic software logo, and then follow the on-screen instruction to access the diagnostic software.
  • Page 41 LAUNCH X-431 IMMO Pro User Manual 3). Turn the ignition key to ON: Set the ignition switch to on. 4). Read vehicle information: After reading the vehicle information, double check if the vehicle information is correct or not. If yes, tap Yes to continue.
  • Page 42: Health Report (Quick Test)

    LAUNCH X-431 IMMO Pro User Manual 5). Select test item: Select the desired test item to proceed. 6.2.1 Health Report (Quick Test) This function varies from vehicle to vehicle. It enables you to quickly access all the electronic control units of the vehicle and generate a detailed report about vehicle health.
  • Page 43 LAUNCH X-431 IMMO Pro User Manual operation is only one part of an overall diagnostic strategy. Follow testing procedures (in vehicle’s service manual), instructions and flowcharts to confirm the locations of the problem. On-screen Buttons: Enter: Tap to enter the diagnostic function selection screen.
  • Page 44 LAUNCH X-431 IMMO Pro User Manual Note: For workshop information, tap the input box to enter it. Alternatively you can also set it in User Info -> Settings -> Shop Information. Once you configured the information, it will be automatically generated every time you saved the diagnostic report.
  • Page 45: System Scan

    LAUNCH X-431 IMMO Pro User Manual • Post indicates DTC status of post-repair. • Pre indicates DTC status of pre-repair. Note: Before performing this function, please make sure that: • You have saved a pre-repair report of the currently tested vehicle, and •...
  • Page 46: System Selection

    LAUNCH X-431 IMMO Pro User Manual Tap the desired system to go to the diagnostic function selection screen. For detailed operations on diagnostic function, please refer to Chapter 6.2.3. 6.2.3 System Selection This option allows you to manually select the test system and function step by step.
  • Page 47 LAUNCH X-431 IMMO Pro User Manual 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 48 LAUNCH X-431 IMMO Pro User Manual This function enables you to erase the codes from the vehicle after reading the retrieved codes from the vehicle and certain repairs have been carried out. Before performing this function, make sure the vehicle’s ignition key is in the ON position with the engine off.
  • Page 49 LAUNCH X-431 IMMO Pro User Manual Note: The real time (Live Data) vehicle operating information (values/status) that the on-board computer supplies to the tool for each sensor, actuator, switch, etc. is called Parameter Identification Data (PID). On the diagnostic function selection screen, tap Read Data Stream, the following screen will appear.
  • Page 50 LAUNCH X-431 IMMO Pro User Manual Notes: 1. Tap , the following popup will appear. Here the user can set different display style for each selected item. indicates sticky top. If it is tapped, it will change into . On the data stream...
  • Page 51 LAUNCH X-431 IMMO Pro User Manual On-screen Buttons: Graph(Single): Tap to view the parameter in waveform graph. • Min/Max: Tap to define the maximum / minimum value. Once the value goes beyond the specified value, the system will alarm. Graph: Tap to view the parameters in waveform graphs.
  • Page 52 LAUNCH X-431 IMMO Pro User Manual • Value: Switches the current graph display mode to the Value display mode. • Customize: Tap , a pull-down list of the data stream items appears on the screen. Select / deselect the desired items, and then screen will display / remove the waveforms corresponding to these items immediately.
  • Page 53 LAUNCH X-431 IMMO Pro User Manual Report: Tap to save the current data in text format. All reports are saved in Report -> Health Reports. For details on report operations, please refer to Chapter 9.2.1. Record: Tap to start recording diagnostic data. Recorded live data can serve as valuable information to help you in troubleshooting of vehicle problems.
  • Page 54: Remote Diagnose

    Stream Sample. 6.3 Remote Diagnose This module helps repair shops or mechanics to diagnose a remote vehicle, and launch instant messages, allowing for improved efficiency and faster repairs. Tap Remote Diagnose on the Job menu, the screen appears blank by default.
  • Page 55: Add Friends

    LAUNCH X-431 IMMO Pro User Manual Home Button Navigate to the Job menu screen. Directly input the username of the tool for searching, Search Bar and then tap the desired one to add it into Contacts list. Messages Tab A red dot will appear indicating a received message.
  • Page 56  golo users Once the result matches the keyword, the following screen will appear: Here you can tap Remote Diagnose to launch remote diagnostics directly or choose to add the partner into the Contacts list. Tap the desired name from the list, the following screen will appear: Tap Add friend to send your request.
  • Page 57: Start Instant Messaging

    LAUNCH X-431 IMMO Pro User Manual • If a technician sent you a friend request, tap Agree and his/her name will appear in the Contacts list. Or tap Ignore to ignore this request. 6.3.2 Start Instant Messaging The I/M (Instant Messaging) function is open to all users who had the diagnostic tool equipped with this module.
  • Page 58: Launch Remote Diagnosis (Device-To-Device)

    LAUNCH X-431 IMMO Pro User Manual File: Choose diagnostic reports or local files to send. Picture: Choose screenshots or pictures to send. Remote Diagnose: To start a remote diagnostic session. For details, refer to Chapter 6.3.4. Camera: Open camera to take pictures.
  • Page 59 LAUNCH X-431 IMMO Pro User Manual tap Send Report to send it to the partner. Tap “Request control remote device” Wait for partner’s confirmation Start connecting after request confirmed Start Diagnosis Generate diagnostic report Use this option to invite a technician to perform a remote control on your tool.
  • Page 60 LAUNCH X-431 IMMO Pro User Manual Tap “Invite remote diagnostic assistant” Choose the desired diagnostic software Wait for partner’s confirmation Start connecting after request confirmed Start Diagnosis Generate diagnostic report Cancel To cancel this operation.
  • Page 61: Launch Remote Diagnosis (Device-To-Pc)

    LAUNCH X-431 IMMO Pro User Manual 6.3.4 Launch Remote Diagnosis (Device-To-PC) User also can ask for remote control from a PC client technician. Slide the switch to ON Notify the partner of the remote diagnostic web link Input the partner’s official account and password...
  • Page 62 LAUNCH X-431 IMMO Pro User Manual 1. Slide the switch to ON so that the partner can find and connect to this device while using the PC. 2. Notify the partner of the PC client website http://remote.x431.com. When the partner accesses the link, the PC displays as below: Note: Before processing remote diagnosis, please make sure the tool is properly connected to the vehicle.
  • Page 63: Feedback

    LAUNCH X-431 IMMO Pro User Manual 4. Tell the partner to enter the Serial Number provided by you, and then tap Start remote diagnosis to control your device remotely. In process of remote diagnosis, please note the following things: 1) You are not suggested to execute any actions.
  • Page 64: Diagnostic History

    LAUNCH X-431 IMMO Pro User Manual Tap it to view the diagnostic feedback logs which are marked with different color indicating the process status of the diagnostic feedback. C. Offline list Tap it to enter the diagnostic feedback offline list page. Once the tablet gets a stable network signal, it will be uploaded to the remote server automatically.
  • Page 65: Service (Reset) Function

    LAUNCH X-431 IMMO Pro User Manual 7 Service (Reset) Function This module provides an easy dial to quickly access the most commonly performed service functions as follows.  Oil Reset Service  Electronic Parking Brake Reset  Steering Angle Calibration ...
  • Page 66: Steering Angle Calibration

    LAUNCH X-431 IMMO Pro User Manual 3. The brake pad sensor circuit is short, which is recovered. 4. The servo motor is replaced. 7.3 Steering Angle Calibration This function enables you to reset the steering angle, after replacing the steering...
  • Page 67: Injector Coding

    LAUNCH X-431 IMMO Pro User Manual 7.7 Injector Coding This function enables you to 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 68 LAUNCH X-431 IMMO Pro User Manual...
  • Page 69: Software Update

    LAUNCH X-431 IMMO Pro User Manual 8 Software Update This module enables you to update the diagnostic software & App and frequently used software. 8.1 Update Diagnostic Software & APP Go to Software Update on the Job Menu and tap the Car model tab.
  • Page 70: Renew Subscription

    LAUNCH X-431 IMMO Pro User Manual Tap Update to start downloading. Once download is finished, the software packages will be installed automatically. 8.3 Renew Subscription If the software subscription is due or expires, the system will prompt you to renew your subscription.
  • Page 71 LAUNCH X-431 IMMO Pro User Manual 2. Input the 24-digit pin code of Subscription Renewal Card and then tap Submit to finish the renewal. 3. Go to update center to update the diagnostic software. 3. Using Credit Card 1. Select Credit Card, and then follow the on-screen instructions to finish the transaction.
  • Page 72: Other Modules

    LAUNCH X-431 IMMO Pro User Manual 9 Other Modules 9.1 Toolbox 9.1.1 BST360 (Battery Tester) This module allows you to fix battery detection faster and easier. It needs to work with the specific Bluetooth battery tester (sold separately). For more details, please refer to the User Manual included with the module.
  • Page 73: Vci

    LAUNCH X-431 IMMO Pro User Manual If user records the running parameters while reading data stream, the tablet will save the file which appears under Recorded Data tab. Remote Reports lists all diagnostic reports generated in process of remote diagnosis.
  • Page 74: Subscription Renewal Card

    LAUNCH X-431 IMMO Pro User Manual 9.2.7 Subscription Renewal Card This item is used to check the status of the subscription renewal card. Input the 12-digit subscription renewal card number. Tap Search to get the search result. 9.2.8 Profile Use this item to view and configure personal information.
  • Page 75 3. Printer Set This option is designed to establish a wireless connection between the tablet and the Wi-Fi printer (sold separately) while performing printing operations. ® The App is compatible with the LAUNCH Wi-Fi Printer (sold separately) and System (external printer). ®...
  • Page 76 LAUNCH X-431 IMMO Pro User Manual X-431PRINTER-XXXX (XXXX stands for 4 characters), and then tap Connect to enter Step 2. Step 2: Join the Wi-Fi printer into LAN: Tap Scan to select the desired local Wi-Fi network from the list, and type in the security password (If it is an open network, password is not required), and then tap Confirm.
  • Page 77 LAUNCH X-431 IMMO Pro User Manual 4. Touch next to Select a printer on the upper left corner of the screen. 5. Select All Printers -> Add printer and enable the installed printer service, the system starts searching for all available Wi-Fi printers of the brand.
  • Page 78 LAUNCH X-431 IMMO Pro User Manual hotspot is open, the tablet can connect it directly. If it is encrypted, a password may be required. Refer to the Wi-Fi printer user manual to get the default password. 7. Now the printer is ready for printing.
  • Page 79 LAUNCH X-431 IMMO Pro User Manual Tap Add sub account, the following popup will appear: • If you already have an account, please enter the user name and password. After inputting, tap Add Immediately to add it as a sub-account.
  • Page 80: Diagnostic Software Clear

    LAUNCH X-431 IMMO Pro User Manual To unbind it from the main account, tap Remove. To revise the validity period, tap Change. 8. Login/Logout To logout the current user ID, tap Logout. To login the system again, tap Login. 9.2.11 Diagnostic Software Clear This item allows you to hide/clear the diagnostic software that is not frequently used.
  • Page 81: Faq

    4. If all checks are normal, send vehicle year, make, model and VIN number to us using Feedback feature. 4. How to download the X-431 IMMO Pro App after resetting the tablet? Note: Before registration, please make sure the network is properly connected.
  • Page 82 6. How to retrieve the login password? Please follow below steps to proceed in case you forgot the login password: 1. Tap the application icon on the home screen to launch it. 2. Tap Login on the upper right corner of the screen.
  • Page 83: Warranty

    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.

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