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Launch X-431Diagun User Manual

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LAUNCH
X-431Diagun User's Manual
Copyright Information
Copyright © 2008 by LAUNCH TECH. CO., LTD. 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. The information contained herein is designed only for the use of
this unit. 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 third parties as a result of: accident, misuse, or abuse of this
unit, or unauthorized modifications, repairs, or alterations to this unit, or
failure to strictly comply with LAUNCH operating and maintenance
instructions. LAUNCH shall not be liable for any damages or problems
arising from the use of any options or any consumable products other than
those designated as Original LAUNCH Products or LAUNCH Approved
Products by LAUNCH.
Trademark Information
LAUNCH is a registered trademark of LAUNCH TECH CO., LTD. (also
called LAUNCH for short) in China and other countries. All other LAUNCH
trademarks, service marks, domain names, logos, and company names
referred to in this manual are either trademarks, registered trademarks,
service marks, domain names, logos, company names of or are otherwise
the property of LAUNCH or its affiliates. In countries where any of the
LAUNCH trademarks, service marks, domain names, logos and company
names are not registered, LAUNCH claims other rights associated with
unregistered trademarks, service marks, domain names, logos, and
company names. Other products or company names referred to in this
manual may be trademarks of their respective owners. You may not use any
trademark, service mark, domain name, logo, or company name of LAUNCH
or any third party without permission from the owner of the applicable
trademark, service mark, domain name, logo, or company name. You may
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  • Page 1 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...
  • Page 2 Do not hesitate to contact LAUNCH if you come across such questions. We are to help you solve the problem as soon as possible...

  • Page 3: Table Of Contents

    2.6 Charge ................ 10 2.6.1 Description of the Power Indicator State ..... 10 2.6.2 Description of the Battery State ........ 10 3 Use X-431Diagun to Diagnose vehicle .......... 13 3.1 Automotive Diagnosis Preparation and Connection ....13 3.1.1 X-431Diagun preparations ........13 3.1.2 TF Card Installation ..........
  • Page 4 LAUNCH X-431Diagun User's Manual 3.5.1 Read the datastream of the first car ......29 3.5.2 Read the datastream of the sencod car ...... 32 3.5.3 Comparison and Analysis of Datastream ....34 4 Update of Diagnostic Software ............ 35 4.1 User Registration ............35 4.2 Member Login ...............

  • Page 5: Introduction

    This is also the development trend and the best solution of this field in the future. X-431Diagun can test almost all the domestic cars and the imported ones from Asia, Europe and America. X-431Diagun diagnoses two cars at the same time, compares and analyzes the data to find the fault.

  • Page 6: 431Diagun

    X-431Diagun includes: X-431Diagun main unit and X-431Diagun connector. The communication between X-431Diagun main unit and X-431Diagun connector is through wireless Blue Tooth (also supports wire connection). Figure 2-1X-431Diagun Front View 2.2 Port and Indicator Descriptions Figure 2-3 is for each port and indicator of X-431Diagun:...

  • Page 7: X-431Diagun General Components

    LAUNCH X-431Diagun User's Manual Figure 2-3 X-431Diagun main unit port and indicator Diagram 2-1 X-431Diagun port and indicator descriptions ① Power ② Earphone Hole ③ TF card slot ④ Diagnostic Interface & USB ⑤ Lanyard ⑥ Diagnostic Connector ⑦ Blue tooth LED (blue) ⑧ Power LED (red) ⑨...
  • Page 8 LAUNCH X-431Diagun User's Manual No. Name Description Picture X-431Diagun Main unit screen main unit contains operation buttons, test result and help. X-431Diagun Diagnostic box with connector OBDⅡ-16 X-431Diagun connect main unit X-431Diagun main diagnostic cable unit and X-431Diagun connector Diagnostic...
  • Page 9 LAUNCH X-431Diagun User's Manual USB cable connect X-431Diagun main unit and PC, used to upgrade network with wire connection Printer cable connect X-431Diagun main unit and the printer Haversack to place X-431Diagun (Optional) main unit X-431Diagun connector, etc. non-16PIN diagnostic...

  • Page 10: X-431Diagun Specifications

    LAUNCH X-431Diagun User's Manual 2.4 X-431Diagun Specifications Operating System: WIN CE 5.0 CPU: 400 MHz ARM9 Memory Card: 1G TF Main Unit: Universal Serial Bus/USB Main Unit Power: DC5V Printer Interface: USB Display Screen: 480X272, 4.3-inch LCD with touch Rechargeable Battery: 1530 mAh...

  • Page 11: X-431Diagun Start

    LAUNCH X-431Diagun User's Manual 2.5 X-431Diagun Start 2.5.1 Power on Press [POWER] key in the top right-hand corner of the main unit top. Main unit will display the initialization screen, as shown on the left. Note: Power off by pressing [POWER] key for 5 seconds at least.

  • Page 12: Calibrate Touch Screen

    LAUNCH X-431Diagun User's Manual 2.5.2 Calibrate Touch Screen The initialization screen will skip to the calibration screen in 12 seconds, as shown on the left. Click the "+" on the screen accurately and orderly. After it changes, you complete a calibration. If...

  • Page 13: Taskbar

    LAUNCH X-431Diagun User's Manual 2.5.3 Taskbar There is a taskbar at the bottom of X-431Diagun system desktop shown on the left. A Start Button: the same method as Windows98/XP. B Network Connection Icon: displays network connection state. (when connected to PC) C Battery Icon: indicates the battery state.

  • Page 14: Charge

    X-431Diagun User's Manual 2.6 Charge There are three methods to charge X-431Diagun: one is to use the charger (for details to see 2.3, No.6 in Diagram 2-2), the second is to charge through an external power (DLC) and the last is to charge when connecting to PC through the USB port.
  • Page 15 LAUNCH X-431Diagun User's Manual in the power management interface, as shown below: Note: Click the start button " " in the bottom left-hand corner of the screen, and click "control panel". With a new window pops up, double click "Power", and the power management interface appears.
  • Page 16 LAUNCH X-431Diagun User's Manual if the battery is less than 10%, the icon " " appears and indicates the battery is too low.

  • Page 17: Use X-431Diagun To Diagnose Vehicle

    (water temperature is 90 – 110°C and transmission oil temperature is 50 – 80°C) . Test Connection Selection X-431Diagun is armed with an OBDⅡ 16PIN connector. Select the corresponding connector (optional) when testing the vehicle with non-OBDⅡ 16PIN DLC.

  • Page 18: Connect X-431Diagun

    3.1.3 Connect X-431Diagun X-431Diagun can also diagnose two cars at the same time (test with the diagnosis connectors by wire/wireless connection, one is OEM and the other is optional), so wire and wireless connections are the two different methods.
  • Page 19 Insert the TF card into the slot; Find the vehicle DLC; Connect the X-431Diagun diagnosis connector and the vehicle DLC. Note: The Bluetooth indicator lamp on the X-431Diagun diagnosis connector goes out when actuating wire diagnosis. Figure 3-2 wire/wireless connection 1 and 2 Diagnostic Target 3 and 4 X-431Diagun Diagnostic connector 5.

  • Page 20: Begin To Diagnose Vehicle

    Connect the other end to the power of the X-431Diagun non-16PIN connector (Optional). If the X-431Diagun is low battery, do one of the following: Provide power through DLC: connect the main unit and the diagnosis connector by wire connection.

  • Page 21: Diagnostic Program

    Wince screen displayed, double click icon "Wireless Diagnosis" on the desktop to operate X-431Diagun, as shown on the left. The maker screen will appear as shown on the left. Button Descriptions: [RETURN]: returns the previous interface. [PREVPAGE]: shows the previous page.
  • Page 22 LAUNCH X-431Diagun User's Manual Here we will take the wireless connection and Benz demo program for example to introduce how to actuate automotive diagnosis. Click [SET] in the bottom right-hand corner of the screen shown above. Select English and click [OK].

  • Page 23: How To Diagnose

    LAUNCH X-431Diagun User's Manual 3.3 How to Diagnose Select the version "V10.01", and click [OK] to enter the diagnosis screen, as shown on the left. Note: The diagnosis screen of different makers contains the tested models, systems, diagnosis connector and DLC location.

  • Page 24: Read Fault Code

    LAUNCH X-431Diagun User's Manual After the successful communication, the screen skips to the function menu of the diagnostic system automatically, as shown on the left: Read faulty code Erase faulty code Read datastream Actuation test 3.3.1 Read Fault Code Click [Read fault code] to perform this function.
  • Page 25 X-431Diagun User's Manual Print Fault Code Printer connection: connect one end (20PIN Male) of the printer cable to X-431Diagun, and the other end (USB connector) to the USB port of the printer. After connection, click [PRINT], as shown on the left.

  • Page 26: Erase Fault Code

    LAUNCH X-431Diagun User's Manual If there is no fault code from the tested system, the screen is as shown on the left. Button Description: [OK]: returns the function menu of the diagnostic system. 3.3.2 Erase Fault Code Click [Erase fault code] on the function menu to erase the fault code, as shown on the left.

  • Page 27: Read Datastream

    LAUNCH X-431Diagun User's Manual After clicking, erasing fault code succeeded. "No fault code" will appear on the screen if all the fault codes were erased or no fault code from the tested system. Button Description: [OK]: returns the function menu of the diagnostic system.
  • Page 28 LAUNCH X-431Diagun User's Manual Select the datastream items displayed with blue, as shown on the left. Button Descriptions: [NEXTPAGE]: displays the datastream item on the next page. [OK]: displays the dynamic data of the selected datastream. [RETURN]: returns previous interface.

  • Page 29: Actuation Test

    LAUNCH X-431Diagun User's Manual With the datastream screen displayed, click to select the datastream. And then click [GRAPH] to view the datastream oscillograph (not more than two) as shown on the left. 3.3.4 Actuation Test Check the system parameter for normality.
  • Page 30 LAUNCH X-431Diagun User's Manual Click [Cylinder 1# injector] as shown on the left. Note: Click [Cylinder 1# injector] to check it for normal operation. Set succeeded, as shown on the left. Note: The relevant fault will occur with set failure or abnormal operation of...

  • Page 31: Driving Record Administration

    LAUNCH X-431Diagun User's Manual 3.3.5 Driving Record Administration View the stored datastream and oscillograph. With the maker screen displayed , click [CALL], as shown on the left. After clicking, datastream information documents in each time segment appear for different makers, as shown on the left.
  • Page 32 LAUNCH X-431Diagun User's Manual Select the datastream to include in the Select mode and item. Select "CHAR" or "GRAPH" as you want, as shown on the left. After selections, click [OK]. The recorded dynamic data will appear again, as shown on the left Button Descriptions: [Left]：...

  • Page 33: How To Diagnose Two Cars At The Same Time

    LAUNCH X-431Diagun User's Manual 3.5 How to diagnose two cars at the same time Compare and analyze the datastream of two cars by "Wire connection" and "Wireless connection" with X-431Diagun. One is connected by "Wire connection" and the other is connected by "Wireless connection".
  • Page 34 LAUNCH X-431Diagun User's Manual With the "Diagnostic program version" screen displayed, select the version "10.01" and click [OK]. Note: The operations of other makers and models are the same as Benz. For details to see relevant system operation introduction, and here we only take Benz demo program for example.
  • Page 35 LAUNCH X-431Diagun User's Manual Click datastream want, displayed with blue, as shown on the left. Click [OK] and the dynamic data of the selected datastream items will appear on the screen, as shown on the left. Until now, reading the datastream of the...

  • Page 36: Read The Datastream Of The Sencod Car

    LAUNCH X-431Diagun User's Manual 3.5.2 Read the datastream of the sencod car Click the "Switch" icon in the bottom right-hand corner of the screen to switch to desktop, as shown on the left. As shown on the left after clicking.
  • Page 37 LAUNCH X-431Diagun User's Manual Connect the second car by wire connection and then double click "Wire Diagnosis" on the desktop. The maker screen will appear on the screen, as shown on the left. Select as the procedure order as reading the datastream of the first car.

  • Page 38: Comparison And Analysis Of Datastream

    LAUNCH X-431Diagun User's Manual 3.5.3 Comparison and Analysis of Datastream This function is to compare and analyze the datastream from a faulty car with that from a good. The two cars must be from the same model. Click the "Switch" icon in the bottom...

  • Page 39: Update Of Diagnostic Software

    LAUNCH X-431Diagun User's Manual 4 Update of Diagnostic Software 4.1 User Registration The Internet update function of X-431Diagun provides user with a convenient and quick way to download the software from www.x431.com update. First visit www.x431.com. The homepage will appear as shown below.
  • Page 40 Fill in Production Information Fill in the serial No. of X-431Diagun. The registration No. is in an envelope delivered with the product (the number must be kept confidential). The dealer code is attached on the last page of the user’s manual. After the...
  • Page 41 LAUNCH X-431Diagun User's Manual information is filled, click "Next step". Note: When a product is sold, the dealer will log onto www.x431.com and enter the dealer code in the “Dealer administration” area so that the user can do effective registration later. User should contact the dealer if registration can not be done effectively.

  • Page 42: Member Login

    LAUNCH X-431Diagun User's Manual Click "OK" then the registration is completed. 4.2 Member Login The user becomes the registered member after registration. Member can log in the website by filling username, password and user type in the interface as shown in the figure below.

  • Page 43: Software Download

    [Renew Password]: After entering the right old password, then can renew the password. [Awarded for complaint] If users meet some trouble during the operation, he can feedback to LAUNCH. Effective complaint will be awarded by LAUNCH [Logout]: Users exit the registration. 4.3 Software Download After log successfully, the screen will enter the [download center] interface.
  • Page 44 LAUNCH X-431Diagun User's Manual after the registration, users can free download the corresponding software. If there is not the latest version in the download center, users can buy the version in the purchase center or in the update center. In the purchase center, users can buy the software that doesn’t install in the download center.
  • Page 45 Click [down] icon, then click [save] on the pop-up menu to save the file. Click [view] to learn the detailed information of the version. Users can download the diagnostic program into the [X-431Diagun update]. Up to now, the software that is for update is downloaded completely.

  • Page 46: Software Update

    LAUNCH X-431Diagun User's Manual 4.4 Software Update Two methods: one is direct update (connect X-431Diagun main unit to PC) and the other is indirect update (connect the card reader with TF card to PC) 4.4.1 Direct Update X-431Diagun main unit connection and drive program installation Necessary hardware: A computer that can access the internet.
  • Page 47 ①-X-431Diagun main unit ②-USB cable ③-USB port ④-PC ⑤-TF card ⑥-USB port Insert the TF card into TF card slot of X-431Diagun main unit (for details to see 3.1.2). Connect one end of the USB cable② to the X-431Diagun main unit①, and the other end to the USB port of the computer.
  • Page 48 Open the [Software Update] folder, double click the icon " ", and install the X-431Diagun update tool according to the Wizard. After the installation, the update icon of the X-431Diagun will appear on the desktop. Double click the update icon of X-431Diagun on the desktop to run the update tool.

  • Page 49: Indirect Update

    LAUNCH X-431Diagun User's Manual Select the update program version on the right, and then click [UPDATE]. After updating, the indication will pop up for updating completion. If the update program doesn't exist on the right, find the update program by clicking the icon "...
  • Page 50 LAUNCH X-431Diagun User's Manual A computer that can access the internet. A TF card reader of X-431Diagun and a TF card to be updated. Necessary software: Tested model software and update tool (download from www.x431.com) Connection Steps: Eject the TF card from the X-431Diagun main unit (press the TF card slightly and it will pop up automatically, as shown in Figure 1 and Figure 2);...

  • Page 51: Software Purchase And Update

    LAUNCH X-431Diagun User's Manual If the card reader is installed successfully, this icon " " will appear in the "My computer". Note: The update method of indirect update is the same as that of direct update, for details to see 4.4.1.
  • Page 52 LAUNCH X-431Diagun User's Manual Take the Transporter & V Class for example. Click the [view] that is in the same line with the Transporter& V Class. The screen will display the concrete information about the Transporter & V Class diagnostic software.
  • Page 53 LAUNCH X-431Diagun User's Manual Click [purchase other] to buy other software. Note: The operation for update center is the same as for the purchase center.

  • Page 54: Faq

    LAUNCH X-431Diagun User's Manual 5 FAQ X431Diagun is a hi-tech product. With the development of modern automotive industry, more and more new technology will be adopted and there may be questions during operation. Read the user’s manual to get the answer whenever you have any question, or contact our Customer Service Center for help.
  • Page 55 LAUNCH X-431Diagun User's Manual Question: Why does the LCD screen respond so slowly? Answer: It is because the ambient temperature is close to the lower limit of operating temperature range (0-50℃). In this situation, it is necessary to warm up the machine for 20 minutes before test.
  • Page 56 LAUNCH X-431Diagun User's Manual Answer: There are two possible causes: 1. Your TF card is damaged. 2. You’ve changed language and the data is related to language. You may find the data after switching back to the former language. Question: The screen does not respond or responds wrongly when I click it with stylus.
  • Page 57 LAUNCH X-431Diagun User's Manual section 2.5.3 in User’s Manual to set correct time. About Operation Question: System halts when reading data stream. What is the reason? Answer: It may be caused by a slackened connector. Please turn off the machine, firmly connect the connector, and switch on the machine again.
  • 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. Final determination of defects shall be made by LAUNCH in accordance with procedures established by LAUNCH.
  • Page 59 LAUNCH X-431Diagun User's Manual Order Information Replaceable and optional parts can be ordered directly from your LAUNCH authorized tool supplier. Your order should include the following information: Quantity Part number Item description Customer Service If you have any questions on the operation of the unit, please contact us: Tel: 86-755-84528431/84528822 E-mail: X431@cnlaunch.com...

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