Launch Diagun v X-431 Manual
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Launch Diagun v X-431 Manual

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Version: V1.00.000
Revised date: 2020-03-26

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  • Page 1 Version: V1.00.000 Revised date: 2020-03-26...
  • 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 LAUNCH Coypright & Safety Precautions Important Safety Precautions Important: To avoid personal injury, property damage, or accidental damage to the product, read all of the information in this section before using the product. Never collide, throw, or puncture the tool, and avoid falling, extruding and bending it.
  • Page 4 LAUNCH Coypright & Safety Precautions the engine is running. Put blocks in front of the drive wheels and never leave the vehicle unattended while testing. Keep the test equipment dry, clean, free from oil, water or grease. Use a mild detergent on a clean cloth to clear the outside of the equipment as necessary.
  • Page 5 The highest reported SAR value is 0.950W/kg. This device has a 20MHz and 40MHz bandwidth mode. Hereby, Launch Tech Co., Ltd. declares that this AUTO Smart Diagnostic Tool (Model X-431 Diagun v) is in compliance with the essential Requirements and other relevant provisions of Radio Equipment Directive 2014/53/EU.

  • Page 6: Table Of Contents

    LAUNCH Table of Contents TABLE OF CONTENTS 1 INTRODUCTIONS ................... 1 1.1 P ..................1 RODUCT ROFILE 1.2 F ....................1 EATURES 1.3 C & C ............... 1 OMPONENTS ONTROLS 1.3.1 Display Tablet ................... 2 1.3.2 VCI Connector (Only applies to 12V passenger cars) ..... 5 1.4 T...
  • Page 7 LAUNCH Table of Contents 4.3.2 DLC location ................... 16 4.3.3 Vehicle connection ................17 4.4 C ................18 OMMUNICATION ETUP 5 START DIAGNOSTICS ................. 19 5.1 H )..............19 EALTH EPORT UICK 5.1.1 View fault report ................21 5.1.2 Clear DTC ..................22 5.2 S...
  • Page 8 LAUNCH Table of Contents 9 PERSONAL CENTER ................... 45 9.1 M ..................... 45 EPORT 9.2 M ..................45 ONNECTOR 9.3 A ................45 CTIVATE ONNECTOR 9.4 F ..................46 IRMWARE 9.5 M ....................46 RDER 9.6 I ........46 NQUIRE...

  • Page 9: Introductions

    LAUNCH Introductions 1 Introductions 1.1 Product Profile Featuring a quad-core processor, and a 5.5 inch capacitive screen, X-431 Diagun v delivers diagnostic functionality which helps to diagnose vehicle issues more efficiently. In addition, the tablet supports WLAN connection, one-click update, diagnostic feedback and all kinds of common service functions.

  • Page 10: Display Tablet

    LAUNCH Introductions Display tablet -- the central system and monitor for the system (for details, please refer to Chapter 1.3.1). VCI connector -- the Vehicle Communication Interface for accessing vehicle data (for details, please refer to Chapter 1.3.2). 1.3.1 Display Tablet Fig.
  • Page 11 LAUNCH Introductions To print the screen, hold and press the POWER and VOLUME – key until a snapshot pops up on the screen. The captured snapshot is saved in the “Screenshots” folder. In Off mode, press it for 3 seconds to turn the tablet on.
  • Page 12 LAUNCH Introductions Fig. 1-2 Rear View Rear camera Soft rubber belt Speakers Camera flash...

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

    LAUNCH Introductions 1.3.2 VCI Connector (Only applies to 12V passenger cars) The VCI connector 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 wireless BT communication.

  • Page 14: Technical Parameters

    LAUNCH Introductions 1.4 Technical Parameters Display tablet: Operating system Android Processor Quad core Memory Storage 32GB 5.5 inch high definition screen with a resolution of LCD screen 1280 x 720 pixels Camera Rear-facing 5MP camera Working temperature 0℃ ~ 50℃...
  • Page 15 LAUNCH Introductions OBD I adaptor (Optional. For connecting the non-16pin connector and the VCI connector) Cigarette lighter cable (Optional. To supply power to the non-16pin connector from the vehicle’s cigarette lighter receptacle) Battery clamps cable (Optional. To supply power to the non-16pin connector from the vehicle’s battery)

  • Page 16: Preparations

    LAUNCH Initial Setup 2 Preparations 2.1 Charging the tablet 1. Plug one end of the included power adaptor into the charging port of the tablet. 2. Connect the other end to the AC outlet. appears on the screen, it indicates it is being charged. If the logo changes into , it indicates that the battery is fully charged.

  • Page 17: Tips On Finger Operations

    LAUNCH Initial Setup 2.4 Tips on finger operations Single-tap: To select an item or launch a program. 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: Adjust Brightness

    LAUNCH Initial Setup 2.6 Adjust brightness Tips: Reducing the brightness of the screen is helpful to conserve the battery power. 1. On the home screen, tap Settings -> Display -> Brightness level. 2. Drag the slider to adjust it. 2.7 Change System Language The tool supports multiple system languages.

  • Page 19: Network Setup

    LAUNCH Network Setup 3 Network Setup *Note: If you don’t need to use WLAN for a while, you can turn it off to conserve battery life. The tablet has built-in WLAN module that can be used to get online. Once you’re online, you can register App, surf the Internet, get apps, send email, and check for software updates etc.

  • Page 20: Getting Started & Vehicle Connection

    Fig. 4-1 4.2 Getting Started During initial use, tap the application icon on the home screen to launch it and enter the main menu screen. By default, all software is pre-installed on the tablet and can be used to diagnose vehicles even if you do not experience the product registration.

  • Page 21: User Registration

    LAUNCH Getting Started & Connections 4.2.1 User registration Tap “Login” on the upper right corner of the Job menu, the following window will pop up on the screen: Fig. 4-2 1. If you are a new user, tap “New Registration”. See Fig. 4-3.
  • Page 22 LAUNCH Getting Started & Connections Fig. 4-4 B. Activate the VCI connector: 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 Connector”...

  • Page 23: Job Menu

    LAUNCH Getting Started & Connections Fig. 4-6 To download the diagnostic software, tap “Yes” to enter the software download page. Tap “No” to download it later. On the download page, tap “Update” to start downloading. It may take several minutes to finish it, please be patient to wait. To pause downloading, tap “Pause”.

  • Page 24: Connections

    LAUNCH Getting Started & Connections This option allows you to feed back the diagnostic Feedback reports/software bugs to us for troubleshooting and analysis. Software Upgrade To update vehicle diagnostic software. To browse the FAQ, Quick Start Guide, User Manual Maintenance Help and How-To videos.

  • Page 25: Vehicle Connection

    LAUNCH Getting Started & Connections Fig. 4-7 4.3.3 Vehicle connection The method used to connect the VCI connector to a vehicle’s DLC depends on the vehicle’s configuration as follows: A vehicle equipped with an OBD II management system supplies both communication and 12V power through a standardized DLC.

  • Page 26: Communication Setup

    LAUNCH Getting Started & Connections 5. To supply power to OBD I adaptor from: A. Cigarette Lighter Cable (optional): Connect one end of the cigarette lighter cable to vehicle’s cigarette lighter receptacle, and the other end to the power jack of OBD I adaptor.

  • Page 27: Start Diagnostics

    LAUNCH Start Diagnostics 5 Start Diagnostics Follow the steps mentioned below to start a new diagnostic session. Tap “Diagnose”, and then tap a corresponding diagnostic software logo. Take Demo as an example to demonstrate how to diagnose a vehicle. 1). Tap the “DEMO”, a screen similar to the following appears: Fig.
  • Page 28 LAUNCH Start Diagnostics service manual), instructions and flowcharts to confirm the locations of the problem. Tap “Health Report”, the system start scanning the ECUs. Once the scanning is complete, a screen similar to the following appears: Fig. 5-3 In Fig. 5-3, the tested system with fault code appears in red and the system with OK displays in black (normally).

  • Page 29: View Fault Report

    LAUNCH Start Diagnostics Fault Report: Tap to view the health report in details. See Chapter 5.1.1. 5.1.1 View fault report This function allows you to view the health report in details. Fig. 5-4 In Fig. 5-4: The systems that have been found OK are displayed in black under the Normal tab.

  • Page 30: Clear Dtc

    Start Diagnostics Fig. 5-5 On-screen Buttons: Search: Highlight a certain DTC item, and then tap it to launch the browser to search for more detailed information about the selected DTC online. Report: To save the current data in text format.

  • Page 31: System Scan

    LAUNCH Start Diagnostics 5.2 System Scan This option allows you to quickly scan which systems are installed on the vehicle. In Fig. 5-2, tap “System Scan”, the system start scanning the systems. Once the scanning is complete, the screen will display the result. See Fig. 5-6.
  • Page 32 LAUNCH Start Diagnostics Fig. 5-7 Swipe the screen from the bottom to view the vehicle system on the next page. Tap the desired system (take “ECM” for example) to jump to the test function page. Fig. 5-8 *Note: Different vehicle has different diagnostic menus.

  • Page 33: Version Information

    LAUNCH Start Diagnostics 5.3.1 Version Information This function is used to read the version information of system mode, vehicle VIN, software and ECU. 5.3.2 Read Fault Code This function displays the detailed information of DTC records retrieved from the vehicle’s control system.

  • Page 34: Clear Fault Code

    LAUNCH Start Diagnostics On-screen Buttons: : Highlight a certain DTC item, and then tap it to search for more information about the selected DTC online. Report: To save the current data in text format. All reports are saved under the tab “Diagnostic Report”...
  • Page 35 LAUNCH Start Diagnostics In Fig. 5-8, tap “Read Data Stream”, the system will display data stream items. Fig. 5-10 On-screen Buttons: Select Page: Tap it to select all items of the current page. To select certain data stream item, just check the box before the item name.
  • Page 36 LAUNCH Start Diagnostics Fig. 5-11 *Notes: 1. If the value of the data stream item is out of the range of the standard (reference) value, the whole line will display in red. If it complies with the reference value, it displays in black (normal mode).
  • Page 37 LAUNCH Start Diagnostics “ ” menu. For details on playback operations, please refer to Personal Center Chapter 9.1 “My Report”. To stop reading the data stream, tap before the recording progress bar. Saved data: Tap to access to “My Reports”.
  • Page 38 LAUNCH Start Diagnostics Combine – this option is mostly used in graph merge status for data comparison. In this case, different items are marked in different colors. See Fig. 5-13. Fig. 5-13 On-screen Buttons: Record: Tap to start recording diagnostic data for future playback and analysis.

  • Page 39: Actuation Test

    LAUNCH Start Diagnostics 5.3.5 Actuation Test This option is used to access vehicle-specific subsystem and component tests. Available test vary by vehicle manufacturer, year, and model. During the actuation test, the Phoenix Pro handset outputs commands to the ECU in order to drive the actuators, and then determines the integrity of the system or parts by reading the ECU data, or by monitoring the operation of the actuators, such as switching a injector between two operating states.

  • Page 40: Special Function

    LAUNCH Start Diagnostics 5.3.6 Special Function In addition to amazing & powerful diagnostic function, the tool also features various reset functions, which varies from vehicle to vehicle. In this case, just choose the desired special functions to perform. For detailed information, please refer to Chapter 6 Reset.

  • Page 41: Reset

    LAUNCH Special Functions 6 Reset Except that the special functions can be performed from the diagnostic menus (See Chapter 5.3.6) of certain vehicle model, this module provides an easy dial to quickly access the special functions. The most commonly performed service functions contain:...

  • Page 42: Oil Reset Service

    LAUNCH Special Functions Figure 6-1 6.1 Oil Reset Service This function allows you to perform reset for the engine oil life system, which calculates an optimal oil life change interval depending on the vehicle driving conditions and climate. This function can be performed in the following cases: 1.

  • Page 43: Steering Angle Calibration

    LAUNCH Special Functions d) The servo motor is replaced. 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 44: Immo Service

    LAUNCH Special Functions saves to the computer to more accurately diagnose engine misfires. If tooth learning is not performed for a car equipped with Delphi engine, the MIL turns on after the engine is started. The diagnostic device detects the DTC P1336 'tooth not learned'.

  • Page 45: Battery Maintenance System Reset

    LAUNCH Special Functions corresponding cylinder so as to more accurately control or correct cylinder injection quantity. After the ECU or injector is replaced, injector code of each cylinder must be confirmed or re-coded so that the cylinder can better identify injectors to accurately control fuel injection.

  • Page 46: Electronic Throttle Position Reset

    LAUNCH Special Functions 6.11 Electronic Throttle Position Reset This function enables you to make initial settings to throttle actuators and returns the “learned” values stored on ECU to the default state. Doing so can accurately control the actions of regulating throttle (or idle engine) to adjust the amount of...

  • Page 47: Feedback

    LAUNCH Diagnostic Feedback 7 Feedback This item allows you to feedback your diagnostic problems to us for analysis and troubleshooting. Tap “Feedback”, a pop-up message will appear: Fig. 7-1 Tap “CONFIRM” to choose the vehicle diagnostic record page. A). Tap the desired vehicle to enter the diagnostic log selection page.
  • Page 48 LAUNCH Diagnostic Feedback Fig. 7-2 Check the box before the failure type, fill in the detailed failure description in the blank text box and telephone or email address. After inputting, tap “Submit Result” to send it to us. B). Tap “History”, the diagnostic logs marked with different color indicate the process status of the diagnostic feedback.

  • Page 49: Software Upgrade

    LAUNCH Software Update 8 Software Upgrade 8.1 Update Diagnostic Software & APP Once a newer diagnostic software version is detected, a prompt message will pop up on the screen. To keep synchronized with the latest version, tap “Update now” to enter the update center.

  • Page 50: Renew Subscription

    LAUNCH Software Update diagnostics main menu will disappear at the same time. *Note: Before update, please make sure the tablet has a strong WLAN connection. 8.2 Renew Subscription If the software subscription is due or expires, the system will prompt you to renew your subscription and a “Renew”...
  • Page 51 LAUNCH Software Update Fig. 8-3 There are two ways available for you to make payment: PayPal and Subscription Renewal Card (*need to buy it from the local dealer where you purchased the tool). A. Using PayPal 1. Select “PayPal”, and then follow the on-screen instructions to finish the transaction. 2. After payment, go to update center to update the diagnostic software.
  • Page 52 LAUNCH Software Update Fig. 8-4 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.

  • Page 53: Personal Center

    LAUNCH Personal Center 9 Personal Center This function allows users to manage the VCI connector and diagnostic reports, and personal information. 9.1 My Report This option is used to view the diagnostic report generated in process of vehicle diagnosis. Additionally, delete, share operations are also supported.

  • Page 54: Firmware Fix

    LAUNCH Personal Center use this option to activate it. Fig. 9-2 Input the Serial Number and Activation Code, and then tap “Activate” to activate *Note: The Serial Number and Activation Code can be found from the password envelope. 9.4 Firmware Fix Use this item to upgrade and fix diagnostic firmware.

  • Page 55: Profile

    LAUNCH Personal Center Fig. 9-3 Enter the 12-digit subscription renewal card number, and tap or click “Search” to check the status. It mainly includes the product configuration, renewal years and activation date etc. 9.7 Profile Use this item to view and configure personal information.

  • Page 56: About

    LAUNCH Personal Center are available. 9.9.2 About The software version information and disclaimer are included. 9.9.3 Log out This option allows you to logout the system. To logout the current user ID, tap “Exit from current account”.

  • Page 57: Others

    LAUNCH Others 10 Others 10.1 Synchronization You can transfer media files and APK between the PC and tablet. 10.1.1 Connect to PC 1. Use the data cable (optional) to connect the tablet to your PC. 2. Swipe from the top, a message “Connected as a media device” appears.

  • Page 58: Faq

    LAUNCH 11 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. Disable GPS function if GPS service is not in use.
  • Page 59 *Note: Before registration, please make sure the network is properly connected. After the tablet has been successfully reset, follow the steps below to download the App: 1. Launch the browser and the default official Launch website opens (If a blank page pops up, just type in www.x431.com in the input bar).
  • Page 60 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 61 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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