Launch X-431 PRO GT User Manual
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Launch X-431 PRO GT User Manual

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Version: V1.00.000
Revised date: August 15, 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.

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Summary of Contents for Launch X-431 PRO GT

  • 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 is not responsible for any use of this information as applied to other units. Neither LAUNCH nor its affiliates shall be liable to the purchaser of this unit or third parties for damages, losses, costs, or expenses incurred by purchaser or...
  • Page 3 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 PRO GT Before using this test equipment, please read the following safety information carefully.
  • Page 4 LAUNCH X-431 PRO GT 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 5: Table Of Contents

    RODUCT ROFILE 1.2 F ....................1 EATURES 1.3 T ............... 2 ECHNICAL PECIFICATIONS 2 KNOWLEDGE OF X-431 PRO GT ..............3 2.1 X-431 PRO GT T ................4 ABLET 2.2 VCI D ) ..........6 ONGLE NLY APPLIES TO CARS 2.3 P...
  • Page 6 IAGNOSIS 5.3.1 Interface Layout ................37 5.3.2 Add Friends ..................38 5.3.3 Start Instant Messaging ..............41 5.3.4 Launch Remote Diagnosis (Device-To-Device) ....... 42 5.3.5 Launch Remote Diagnosis (Device-To-PC) ........45 5.4 H ? ............48 OW TO VIEW DIAGNOSTIC HISTORY 5.5 H...
  • Page 7 LAUNCH X-431 PRO GT User Manual 8.1 E ...................... 57 MAIL 8.2 S OTA U ................57 YSTEM PGRADE 8.3 ES F .................. 57 XPLORER 8.4 A ..................... 58 LBUM 9 USER INFO ....................59 9.1 M ..................... 59 EPORT 9.2 VCI ......................

  • Page 8: Introduction

    X-431 PRO GT User Manual 1 Introduction 1.1 Product Profile X-431 PRO GT 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 9: Technical Specifications

    LAUNCH X-431 PRO GT User Manual 1.3 Technical Specifications X-431 PRO GT tablet: Operating system Android Memory Storage 32GB 8 inch capacitive touch screen with a resolution of Screen 1280 x 800 pixels  Wi-Fi (802.11b/g/n) Connectivity  BT 4.0 Working temperature 0℃...

  • Page 10: Knowledge Of X-431 Pro Gt

    LAUNCH 2 Knowledge of X-431 PRO GT There are two main components to the X-431 PRO GT system:  X-431 PRO GT tablet – the central processor and monitor for the system (See Chapter “2.1”). Fig. 2-1  VCI dongle – the device for accessing vehicle data (See Chapter “2.2”).

  • Page 11: X-431 Pro Gt Tablet

    The tablet acts as the central processing system, which is used to receive and analyze the live vehicle data from the VCI dongle and then output the test result. Fig. 2-1 X-431 PRO GT tablet Slot for VCI To store the VCI dongle.
  • Page 12 X-431 PRO GT User Manual LAUNCH *Note: If it is not in use, remember to unplug it from the vehicle’s DCL and re-insert it into the slot on the back of the tablet. In Off mode, press it for 3 seconds to turn the tablet on.

  • Page 13: Vci Dongle (Only Applies To 12V Cars)

    X-431 PRO GT User Manual LAUNCH 2.2 VCI Dongle (Only applies to 12V cars) The VCI dongle works as a vehicle communication interface device, which is used to connect to the vehicle’s DLC (Data Link Connector) socket directly or via OBD II extension cable to read the vehicle data and then send it to the tablet via Bluetooth.
  • Page 14 LAUNCH X-431 PRO GT User Manual the local agency or check the package list supplied with the tool together. Item Descriptions X-431 PRO GT Indicates the test result. tablet Collects the vehicle data and sends it VCI dongle to the tablet for analysis.

  • Page 15: Preparations

    X-431 PRO GT User Manual LAUNCH 3 Preparations 3.1 Charging the tablet 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 tablet. 3. Plug the adaptor into AC outlet.

  • Page 16: Screen Layout

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

  • Page 17: Connect To A Wi-Fi Network

    X-431 PRO GT User Manual LAUNCH 3.7.1 Connect to a Wi-Fi network 1. On the home screen, tap Tablet Settings -> Wi-Fi. 2. Tap or slide the Wi-Fi switch to ON, the tablet starts searching for all available wireless LANs.

  • Page 18: Initial Use

    LAUNCH X-431 PRO GT 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 Note*: If “VIN Scan” or “Intelligent Diagnosis” function is performed, this step shall...

  • Page 19: Register & Download Diagnostic Software

    LAUNCH X-431 PRO GT User Manual 4.2 Register & Download Diagnostic Software 4.2.1 User registration After the tablet 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 20 X-431 PRO GT User Manual LAUNCH 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 21: Job Menu

    LAUNCH X-431 PRO GT 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 22: Vehicle Menu Layout

    X-431 PRO GT User Manual LAUNCH resulting from step-by-step menu selection. In addition, user can also check the historical repair records online through this module. Local Diagnosis To diagnose a vehicle manually. This option aims to help repair shops or technicians...

  • Page 23: Diagnostics Toolbar

    X-431 PRO GT User Manual LAUNCH Fig. 4-7 VINScan button: Tap it to scan the Vehicle Identification Number (VIN) code of your vehicle. OBD VIN and INPUT VIN are included. This function does not apply to the commercial vehicles. *Note: Before using this function, the corresponding diagnostic software and Auto search file need to be downloaded on your tool first while downloading the diagnostic software.

  • Page 24: Connections

    LAUNCH X-431 PRO GT User Manual printer manufactured by LAUNCH separately and then properly configure it following the steps described in Chapter 9.10.3. Exit To exit the diagnostic application. 4.3 Connections 4.3.1 Preparation Normal testing conditions  Turn on the vehicle power supply.
  • Page 25 X-431 PRO GT User Manual LAUNCH  A vehicle equipped with an OBD II management system supplies both 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: Communication Setup

    X-431 PRO GT User Manual LAUNCH Fig. 4-11 4.4 Communication Setup There are two kinds of ways available for the tablet to pair with the VCI dongle. 1. Plug the VCI dongle into the vehicle’s DLC directly (or using the OBD II extension cable).

  • Page 27: Diagnosis

    X-431 PRO GT User Manual LAUNCH 5 Diagnosis 5.1 Intelligent Diagnosis Through simple Bluetooth communication between the tablet and VCI dongle, 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 step-by-step manual menu selection.
  • Page 28 LAUNCH X-431 PRO GT User Manual Fig. 5-2 Check all the possible reasons of Bluetooth connection failure carefully, and then tap “Confirm”. Fig. 5-3 If the VCI connector was once used with other devices, you need to cancel the pairing of the connector first in either of the following ways: •...
  • Page 29 LAUNCH X-431 PRO GT User Manual Fig. 5-4 1. After pairing is complete, the handset starts reading the vehicle VIN. A. If the VIN can be found from the remote server database, a screen similar to Fig. 5-5 displays: Fig. 5-5 •...

  • Page 30: Local Diagnosis

    X-431 PRO GT User Manual LAUNCH Fig. 5-6 • Tap “View record” to view the details of the current diagnostic report. • To perform other functions, tap “Quick access” to directly go to the function selection screen. Choose the desired one to start a new diagnostic session.
  • Page 31 LAUNCH X-431 PRO GT User Manual Fig. 5-7 After the VIN is successfully decoded, the vehicle information will be displayed on the screen. Tap “Next” to navigate to the diagnostic function selection screen. B. Manual Selection Tap a corresponding diagnostic software logo, and then follow the on-screen instruction to access the diagnostic software.

  • Page 32: Health Report (Quick Test)

    X-431 PRO GT User Manual LAUNCH Note: Tap to read some precautions on using the current diagnostic software. Search Bluetooth: Tap to search for the available VCI Bluetooth connector. Notes: • No Bluetooth connection is required for DEMO program. •...
  • Page 33 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 34: System Scan

    LAUNCH X-431 PRO GT User Manual Fig. 5-12 Input the required information, and then tap “OK” to save it. Alternatively you can also set the workshop information in “User Info” -> “Settings” -> “Print Information”. Once you configured the information, it will be automatically generated every time you saved the diagnostic report.

  • Page 35: System Selection

    X-431 PRO GT User Manual LAUNCH Fig. 5-13 Tap the desired system to advance to the test function selection page. For detailed operations on test function, please refer to Chapter 5.2.3. 5.2.3 System Selection This option allows you manually select the test system and function step by step.
  • Page 36 X-431 PRO GT User Manual LAUNCH Fig. 5-15 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 37 X-431 PRO GT User Manual LAUNCH Fig. 5-16 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 38 X-431 PRO GT User Manual LAUNCH Fig. 5-17 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 39 X-431 PRO GT User Manual LAUNCH 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 40 X-431 PRO GT User Manual LAUNCH  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 41 X-431 PRO GT User Manual LAUNCH Fig. 5-21 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 42 X-431 PRO GT User Manual LAUNCH 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 43 X-431 PRO GT User Manual LAUNCH • 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 44: Remote Diagnosis

    “Completed” displays. 5.3 Remote Diagnosis This option aims to help repair shops or technicians launch instant messaging and remote diagnosis, making the repair job getting fixed faster. Tap “Remote Diagnosis” on the Job menu, the screen appears blank by default.

  • Page 45: Add Friends

    In the search bar, input the partner’s username and tap “Search” button next to the search bar to starts searching from Launch’s golo business database. *Note: The partner must be the users who have registered their Launch’s diagnostic tools. They may be the following: ...
  • Page 46 X-431 PRO GT User Manual LAUNCH Fig. 5-29 There are two methods available for you to add the partner into the Contacts list. Method 1: Tap the desired partner’s avatar from the list, the following screen appears: *Tips: If you intend to chat with the partner, just tap the desired partner’s name.
  • Page 47 X-431 PRO GT User Manual LAUNCH Fig. 5-31 Tap “CONFIRM” to send your request. Method 2: Tap the desired partner’s name from the list to enter into the instant messaging mode. to call out more function options. Fig. 5-32 Tap “Add friend”, a dialog box pops up: Fig.

  • Page 48: Start Instant Messaging

    X-431 PRO GT User Manual 5.3.3 Start Instant Messaging Note: The I/M (Instant Messaging) function is open to all users who had Launch’s diagnostic tool equipped with this module. After adding your friends, tap the desired partner’ avatar to enter a screen similar to the following (Alternatively, you also can directly tap the partner’s...

  • Page 49: Launch Remote Diagnosis (Device-To-Device)

    5.3.4 Launch Remote Diagnosis (Device-To-Device) The tablet is allowed to launch remote diagnosis with other diagnostic tools (including but not limited to the X-431 PRO GT) of Launch family, which are equipped with this module. * Note: Before performing this operation, please make sure the following no matter which side sends the remote request: ...
  • Page 50 X-431 PRO GT User Manual LAUNCH Tap “Request control remote device” Wait for partner’s confirmation Start connecting after request confirmed Start Diagnosis Generate diagnostic report If you need support, just use this option to invite a technician to perform a remote control on your tool.
  • Page 51 LAUNCH X-431 PRO GT User Manual Cancel To cancel this operation.

  • Page 52: Launch Remote Diagnosis (Device-To-Pc)

    X-431 PRO GT User Manual LAUNCH 5.3.5 Launch Remote Diagnosis (Device-To-PC) Except that the remote diagnosis can be done between different Launch’s diagnostic tools that come loaded with the module, user also can ask for remote control from PC client technician.
  • Page 53 X-431 PRO GT User Manual LAUNCH Fig. 5-39 1. Slide the switch “Allow device to be connected to the WEB client remote diagnostic device” to ON so that the partner can find and connect to this device while using the PC.
  • Page 54 LAUNCH X-431 PRO GT User Manual Fig. 5-41 4. Tell the partner to check the box “Series number” and 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 55: How To View Diagnostic History

    X-431 PRO GT User Manual LAUNCH 5.4 How to view diagnostic history? Generally once a vehicle diagnosis is performed, the tablet will record the every details of diagnostic process. The History function provides direct access to the previously tested vehicles and users can resume from the last operation, without the necessity of starting from scratch.

  • Page 56: Special (Reset) Function

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

  • Page 57: Oil Reset Service

    X-431 PRO GT User Manual LAUNCH Follow the instructions on the screen to operate Select the service mode Select “Reset” (The available mode varies from vehicle to vehicle) Select the desired reset item (e.g. oil lamp reset Select the car brand etc.)

  • Page 58: Steering Angle Calibration

    X-431 PRO GT User Manual LAUNCH 6.3 Steering Angle Calibration To reset the steering angle, first find the relative zero point position for the car to drive in straight line. Taking this position as reference, the ECU can calculate the accurate angle for left and right steering.

  • Page 59: Immo Service

    X-431 PRO GT User Manual LAUNCH learning for the car. After tooth learning is successful, the MIL turns off. After the engine ECU, crankshaft position sensor, or crankshaft flywheel is replaced, or the DTC 'tooth not learned' is present, tooth learning must be performed.

  • Page 60: Battery Maintenance System Reset

    X-431 PRO GT User Manual LAUNCH 6.9 Battery Maintenance System Reset This function enables you to perform a resetting operation on the monitoring unit of vehicle battery, in which the original low battery fault information will be cleared and battery matching will be done.

  • Page 61: Software Update

    X-431 PRO GT User Manual LAUNCH 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 62: Renew Subscription

    X-431 PRO GT User Manual LAUNCH 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 63 X-431 PRO GT User Manual LAUNCH 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.

  • Page 64: Other Modules

    X-431 PRO GT User Manual LAUNCH 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 65: Album

    X-431 PRO GT User Manual LAUNCH manager. Another excellent feature is support for cloud storage accounts. This means you can download files directly to the folders you want without using a separate app. The app has built-in ZIP and RAR sources, so you can access compressed files without unpacking them on your computer first.

  • Page 66: User Info

    X-431 PRO GT User Manual LAUNCH 9 User Info This function allows users to manage personal information and VCI dongle. 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 67: Vci

    X-431 PRO GT User Manual LAUNCH 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 68: Activate Vci

    X-431 PRO GT User Manual LAUNCH 9.4 Activate VCI This item lets you to activate a new VCI dongle. 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.

  • Page 69: Change Password

    X-431 PRO GT User Manual LAUNCH 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. 9.9 Change password This item allows you to modify your login password.

  • Page 70: Printer Set

    X-431 PRO GT User Manual LAUNCH 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. 9.10.3 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.

  • Page 71: Clear Cache

    X-431 PRO GT User Manual LAUNCH 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 72: Login/Logout

    X-431 PRO GT User Manual LAUNCH 9.10.6 Login/Logout To logout the current user ID, tap “Logout”. To login the system again, tap “Login”. 9.11 Diagnostic Software Clear This item allows you to hide/clear the diagnostic software that is not frequently used.

  • Page 73: Faq

    X-431 PRO GT User Manual LAUNCH 10 FAQ 1. How to save power?  Please turn off the screen while the tablet keeps idle.  Set a shorter standby time.  Decrease the brightness of the screen.  If WLAN connection is not required, please turn it off.
  • Page 74 X-431 PRO GT User Manual LAUNCH 5. How to register your X-431 PRO GT or new VCI dongle? Note: Before registration, please make sure the network is properly connected. A. If this is the first time using the tablet, please refer to "Chapter 4.2.1" in the user manual for product registration.
  • Page 75 X-431 PRO GT User Manual LAUNCH 8. How to retrieve the login password? Please follow below steps to proceed in case you forgot the login password: 1. Tap [Login] button on the upper right corner of the home screen. 2. Tap "Retrieve password".
  • Page 76 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 77 Launch website: http://www. cnlaunch.com http://www.x431.com 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...

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