Answer - RFE1 DIAGNOSTICS
Contents
1. EE ad 20 3 3 2 Erase Fault Code een 22 3 3 3 Read Datastream 23 3 3 4 Actuation 25 3 3 5 Driving Record Administration 27 3 5 How to diagnose two cars at the same time 29 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 LAUNCH X 431Diagun User s Manual 1 Introduction X 431Diagun is a newly developed wireless diagnostic computer with full color display screen It is a product integrated with automotive electronic technology application and information network technology Portable Vehicle Fault Diagnosis Technology is an advanced vehicle diagnosis technology first created and advocated by Launch and represents the highest level of vehicle diagnosis technology in the world 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 Its features are high quality test upgrading fast any where at any time and synchronized with the newest international model2. click the part to edit When the cursor twinkles you can input the data Question Why does the saved data disappear 36 LAUNCH X 431Diagun User s Manual Answer here 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 click it with stylus What should do Answer It is necessary to calibrate the screen Please refer to the section 2 5 2 in User s Manual Question What can do when the screen is confused Answer Please quit the current application interface and run it again If the problem still exists please restart the system About System Setting Question The screen is inactive after the cross cursor appears on the screen Why Answer The system is calibrating the touch screen The machine will work after the screen is calibrated Refer to the section 2 5 2 in User s Manual Question The screen does not respond or responds wrongly when click it with stylus What should do Answer It is necessary to calibrate the screen Please refer to the section 2 5 2 in User s Manual Question The time displayed in the bottom right hand corner of the screen Is incorrect How to adjust it Answer It is because the time was set incorrectly Please refer to the 3 LAUNCH X 431Diagun User s Manual section 2 5 3 in User
3. screen to view the datastream information of two cars in order to realize the comparison analysis of datastream as shown on the left n zm Ihe datastream information of the es first car will appear on the screen after switching as shown on the left a Air flow sensor 237 Intake air 79 temperature sensor Battery voltage 25 P 5 RECORD 34 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 Here we list some frequently asked questions and answers relating to X431Diagun About Update via Internet Question Some downloaded diagnostic program is not listed in the update tool what is the reason Answer here are two possible causes 1 The downloaded diagnostic program is not put in the same folder as other diagnostic programs Please move it to the same folder as others 2 The diagnostic program is not fully downloaded Please download the program again Question When the updated software is used in vehicle diagnosis some diagnostic program can not be downloaded successfully from the TF card Why Answer possible causes and solutions 1 The Display Program may have not been upda
4. soon as possible LAUNCH X 431Diagun User s Manual Contents E erigere UIC TOM TT 1 T T 2 2 1 X 431Diagun Component Descriptions 2 2 2 Port and Indicator Descriptions 2 2 3 X 431Diagun General Components 3 2 4 X 431Diagun Specifications 6 2 9 aw t but obrem o qudd rtu E Sada eid 7 ZO r OWE NONE ET T T 2 5 2 Calibrate Touch 8 Zi Dio VASE 9 20 CNAE TM 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 dt piti der rut OR 13 3 1 3 Connect 4310 14 3 2 Begin to Diagnose 16 3 2 1 Diagnostic 17 3 3 How to 19 3 3 1 Read Fault Code
5. 0 seconds to enter automatically Time limit 28 sec LAUNCH X 431 Diagun 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 for details to see 2 6 D Time sets the time data and time zone by double clicking here with the touch kit E Soft Keyboard Icon displays and hides the soft keyboard when the soft keyboard is activated there are two types of input method to select they are 1 Manual 2 English F Switch Icon displays the desktop and switches among the interfaces LAUNCH 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 2 6 1 Description of the Power Indicator State Charge through the charger Charge it under conditions of power off power on and stand by mode The power indicator always come on when charging and goes out when the battery is full Note It is better to charge in stand by mode for charging saturation How to standby click the start menu amp to find Suspend or press the power key of the main unit And
6. GE shows the previous page This button is invalid if there is only one page or the first page currently NEXTPAGE shows the next page This button is invalid if there is only one page or the last page currently CALL view the vehicle management record the stored datastream and oscillograph SET select the language 17 LAUNCH Demo program 10 01 This is the demo software for functions and useage of X431 as following moduls provided ENG ABS and 5 5 RETURN 4 BA vehicte_1 11 46 A 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 Click the Benz logo from the maker menu With Benz demo diagnosis program version screen displayed select the version you need 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 Button Descriptions RETURN returns the previous interface HELP view the help information OK continues to test 18 LAUNCH EEMO progra KAT Communication is initialized X 431Diagun User s Manual 3 3 How to Diagnose Select the version V10 01 and click OK to enter t
7. GRAPH displays the waveform of a single datastream item RECORD records the current dynamic datastream 24 LAUNCH RETURN HELF 19 07 3 28 PM A E Engine Read fault code Erase fault code Read data stream Actiiatiori test PREW FAGE RETURN HOMIE HELP PRINT Hien 3207 a rm 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 Click Actuation test on the function menu as shown on the left Note Here take Cylinder 1 injector for example 25 LAUNCH Actuation test 1 injector 2 injector 3 injector 4 injector Fuel pump Purge control solenoid EGR solenoid Spark SBTDRC Radiator fan relay low Secondary air injection system mode RETURN HOME HELP PRINT E Bremen GF ne am 1 injector Completed Hives DoF am A S 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 Cylinder 1 injector 26 LAUNCH X 431Diagun User s Manual 3 3 5 Driving Record Administration View the stored datastream and osci
8. 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 ot
9. b 3 2c and 3 3d Note You can hear a clicking sound when you insert the TF card in the right place If you want to take it out press the TF card slightly and it will pop up automatically with a clicking sound 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 Wire Connection Procedure of X 431Diagun e Insert the TF card into the slot Connect one end 20PIN Male of the X 431Diagun main unit diagnosis cable and X 431Diagun main unit diagnosis interface Connect the other end USB terminal of X 431Diagun main unit diagnosis cable and one end USB port of selected X 431Diagnun connector e Findthe vehicle DLC Connect the X 431Diagun diagnosis connector and the vehicle DLC Wireless Connection Procedure of X 431Diagun 14 LAUNCH X 431 Diagun User s Manual Insert the TF card into the slot Findthe 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 and 4 X 431Diagun Diagnostic connector 5 X 431Diagun main unit 6 and 7 DLC Note If the DLC of the tested vehicle is low battery or its terminal is
10. cceed 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 5 sAvenicte 3267 9 36 am A 8 3 3 3 Read Datastream Read datastream on the function Engine menu to read the datastream from ECU as shown on the left j V A X PA PA RETURN HOME HELP PRIMT P Aveia 07 ser 23 LAUNCH Select stream Oe sensor Air flow sensor Intake air temperature sensor Battery voltage Start signal E Crankshaft positon sensor Barometric sensor Idle contact switch NEXT PAGE PRE PAGE RETURN OE HELF f 3 26 Pm A Data steam Marne of data stream Oe sensor Air fow sensor Intake air temperature sensor Battery voltage ECT Crankshaft position sensor 4 Unit rnv Hz Y b X 431Diagun User s Manual oelect 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 interface the previous Click OK this screen contains the dynamic data of the selected datastream item as shown on the left Click RECORD to store the dynamic datastream of the current time segment Button Descriptions
11. damaged you can get another power through any method below 1 Cigar lighter Optional 2 Pull out the cigar lighter Insert one end of the cigar lighter cable into the cigar lighter hole and connect the other end to the power of the 15 LAUNCH X 431Diagun User s Manual X 431Diagun non 16PIN connector Optional 3 Trough the double clamps power cable Optional Connect the red crocodile clamp of the double clamps power cable to the battery positive and the black crocodile clamp to the battery negative 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 1 Provide power through DLC connect the main unit and the diagnosis connector by wire connection 2 Provide power through the charger insert one terminal 20PIN Male of the charger into the diagnosis port of X 431Diagun main unit and connect the other terminal with 100 240V AC 3 2 Begin to Diagnose Vehicle 16 LAUNCH f 11 40 AM we X 431Diagun User s Manual 3 2 1 Diagnostic Program After connections for details to see 3 1 3 Power on and the calibration screen appears see 2 5 2 and after that with the Wince screen displayed double click the 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 PREVPA
12. f the printer cable to T X 431Diagun and the other end USB Margins inches connector to the USB port of the Left Top fy Right a Bottom X Range Orientation D Portrait Selection Landscape e After connection click PRINT as shown on the left Button Description OK returns the function menu of the 2gfs a diagnostic system With the printer screen displayed select port omus E the printer type and the terminal Net Path o BN number and then click OK to print the Left ji un soam p fault code information as shown on the E Hag left 3 Selection Landscape Deus Note Select the correct printer type and terminal number to match the printer due to different printers used by users ere Seg sos Pn 21 LAUNCH X 431Diagun User s Manual E mm f there is no fault code from the tested system the screen 1 as shown on the left System Ok Mo DTCs Button Description OK returns the function menu of the diagnostic system 29 Bivens SOF nar am NAA o 3 3 2 Erase Fault Code Click Erase fault code on the function menu to erase the fault code as shown on the left A fy HELP PRINT ehic 22 LAUNCH X 431Diagun User s Manual LL M After clicking erasing fault code Clear fault code su
13. geable Battery 1530 mAh Bluetooth theoretically 100m actually 15 20m Upgrading Interface USB In addition it also supports wire communication method and external memory extension LAUNCH Diagun If you want to calibrate the screen please cilck the touch screen within 3 sencods or it will enter the WinCE system 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 After reading the system bar on the initialization screen operate following the indication as shown on the left LAUNCH X 431Diagun User s Manual 2 5 2 Calibrate Touch Screen Repeat as the target moves around the 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 you don t want to calibrate press the power key to skip the calibration screen Note If you don t click accurately the will be present on the screen again and again until the calibration completes scene tal ace saved cata lee ne eur The screen as shown on the left will appear after the touch screen calibration successes You can click to enter the system interface by manual or wait for 3
14. gun General Components Diagram 2 2 is for each component LAUNCH X 431Diagun User s Manual No Name Description Picture X 431Diagun Main unit screen main unit contains X operation buttons test result and help X 431Diagun Diagnostic box with connector OBD II 16 X 431Diagun to connect main unit X 431Diagun diagnostic cable unit and X 431Diagun connector Diagnostic to connect adaptor X 431Diagun connector and 16PIN extension cable 5 Stylus for click operation of X 431Diagun 7 Battery Charger to transform 100 240V AC to 5v Mig Em T TF card to store diagnostic program and data TF card reader to read and store data from TF card through PC used to upgrade on the network LAUNCH LAUNCH 1 1 4310 Users Manual USB cable to connect X 431Diagun main unit and PC used to upgrade on the network with wire connection Printer cable to connect X 431Diagun main unit and the printer Haversack to place X 431Diagun Optional main unit X 431Diagun connector etc non 16PIN for diagnostic Optional diagnostic connector of special connector model Optional Several 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 DCSV Printer Interface USB Display Screen 480X272 4 3 inch LCD with touch Rechar
15. h icon in the bottom Mame of data stream Unit right hand corner of the screen to switch to desktop as shown on the left Oe sensor Air flow sensor Intake air temperature sensor Battery voltage Crankshaft position 1187 rimin sensor PREM MEXT PACE PACE GRAPH RECORD RETUREN HOME HELP JEN DOF am r As shown on the left after clicking My Device Wire Diagnosis 29 A vehicle GF 11 40 am DA 32 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 oelect as the procedure order as reading the datastream of the first car for details to see 3 5 1 I MM Note xor 75 e Do select a car with the same maker or version e The Vehicle 2 in the taskbar mesns to diagnose the second car by wire connection Data stream uit The dynamic data of the second car mv datastream item will appear on the screen as shown on the left Crankshaft position 1125 rimin sensor ee hes GRAPH Fal icle 33 LAUNCH X 431Diagun User s Manual 3 5 3 Comparison and Analysis of Datastream Data steam 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 right hand corner of the
16. he diagnosis screen as shown on the left Note The diagnosis screen of different makers contains the tested models systems diagnosis connector and DLC location The operations are similar Button Descriptions RETURN returns the previous interface HOME resume the program HELP shows the help information PRINT prints the test result Click Engine on the tested system menu Note The test method for different systems is similar Here we take Engine for example After clicking Communication is Initialized screen will appear as shown on the left 19 LAUNCH Enq ine PAGE PAGE RETURN HOME HELP PRINT 7 wehicle Trouble cade Intake air temperature sensor HIP Lu b 30 2 n ut D a Wi o ul I ns m 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 1 Read faulty code 2 Erase faulty code 3 Read datastream 4 Actuation test 3 3 1 Read Fault Code Click Read fault code to perform this function The test result will be displayed on the screen as shown on the left Take some test for example Button Description PRINTER prints the test result with an external printer through USB port 20 LAUNCH X 431Diagun User s Manual Print Fault Code Printer connection connect one end Printer Port 20PIN Male o
17. herwise 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 LAUNCH X 431Diagun User s Manual contact LAUNCH by visiting Launch at www cnlaunch com or writing to LAUNCH TECH CO LTD Launch Industrial Park North of Wuhe Avenue Banxuegang Bantian Longgang Shenzhen Guangdong P R China to request written permission to use Materials on this manual for purposes or for all other questions relating to this manual General Notice e Other product names used herein are for identification purposes only and may be trademarks of their respective owners LAUNCH disclaims any and all rights in those marks There is a possibility that this unit is inapplicable to some of the vehicle models or systems listed in the diagnostic section due to different countries areas and or years Do not hesitate to contact LAUNCH if you come across such questions We are to help you solve the problem as
18. llograph With the maker screen displayed click CALL as shown on the left I i cw After clicking the datastream information documents in each time segment appear for different makers as shown on the left Click OK to view the recorded datastream for the time segment and model you selected 27 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 Cl crankshaft position sen the left Barometric sen Idle contact swit vl Power steering e Idle actuator step mo ral CUI TEENS EE i a m After selections click OK The recorded dynamic data will appear again as shown on the left Button Descriptions Left shows the hidden datastream on the left Right shows the hidden datastream on the right Eigene s 507 28 LAUNCH SF 11 40 AM AS 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 for details to see 3 1 3 3 5 1 Read the datastream of the first car After connecting the fist car by wireless connection double click the icon Wireless Diagnosis The maker screen will appear as shown on the lef
19. press again to return the normal state Charge through DLC Charge it under conditions of power off power on and stand by mode The power indicator always come on when charging and goes out when the battery is full Charge by PC Charge it by connecting to PC through the USB port 2 6 2 Description of the Battery State 1 Power on under conditions of being connected with charger or an external power supply The icon OF wil appear in the taskbar It indicates charging 10 LAUNCH X 431Diagun User s Manual in the power management interface as shown below Input Panel Backup battery Good Peete L CI LT Ww Lo wir Very Lo wis Main batteries Total time used 2 Power Prope 5 4 PM A Note Click the start button 49 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 You can also double click the battery indication icon to view the power management interface as shown above 2 When using this equipment without connecting an external power supply if the battery is more than 4096 no icon appears in the taskbar and the actual battery will be shown 3 When using this equipment without connecting an external power supply if the battery is less than 40 and more than 10 the icon in the taskbar It shows the actual battery in the power management in
20. r 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 1 Quantity 2 Partnumber 3 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 If your unit requires repair service return it to the manufacturer with a copy of the sales receipt and a note describing the problem If the unit is determined to be in warranty it will be repaired or replaced at no charge If the unit is determined to be out of warranty it will be repaired for a nominal service charge plus return freight Send the unit pre paid to Attn Customer Service Department LAUNCH TECH CO LTD Launch Industrial Park North of Wuhe Avenue Banxuegang Bantian Longgang Shenzhen Guangdong P R China 518112
21. s Compared with other products it has high quality and performance The printer connected with X 431Diagun through USB port prints the diagnosis result in real time and the TF card with large capacity stores the diagnosis result Compared with other diagnostic tools it has better quality and performance X 431Diagun has an external printer to print the diagnostic result through a standard USB port And its TF card with large capacity can store the diagnostic result in real time Its features are smart design portable full color touch screen easy to operate supporting multiple languages and wide range use Also wireless connection and data communication are realized by Bluetooth and easy to operate LAUNCH X 431Diagun User s Manual 2 X 431Diagun 2 1 X 431Diagun Component Descriptions 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 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 Earphone Hole TF card slot Diagnostic Interface amp USB A Connector Ble tooth LED bie Power LED ed ops fof Touch screen 2 3 X 431Dia
22. s Manual to set correct time About Operation Question System halts when reading data stream What is the reason Answer t may be caused by a slackened connector Please turn off the machine firmly connect the connector and switch on the machine again 38 LAUNCH X 431Diagun User s Manual Warranty THIS WARRANTY IS EXPRESSLY LIMITED TO PERSONS WHO PURCHASE LAUNCH PRODUCTS FOR PURPOSES OF RESALE OR USE IN THE ORDINARY COURSE OF THE BUYER S BUSINESS LAUNCH electronic product is warranted against defects in materials and workmanship for one year 12 months from date of delivery to the user This warranty does not cover any part that has been abused altered used for a purpose other than for which it was intended or used in a manner inconsistent with instructions regarding use Ihe 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 No agent employee or representative of LAUNCH has any authority to bind LAUNCH to any affirmation representation or warranty concerning LAUNCH automotive meters except as stated herein Disclaimer THE ABOVE WARRANTY IS IN LIEU OF ANY OTHER WARRANTY EXPRESSED OR IMPLIED INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE LAUNCH X 431Diagun Use
23. t Select Benz and click OK Note Vehicle 1 in the taskbar means the first car connected by wireless connection 29 LAUNCH X 431Diagun User s Manual ith 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 Demo program v10 01 details to see relevant system This is the demo software for i functions and useage of X431 as operation introduction and here we following moduls provided ABS only take Benz demo program for example RETURN 5 BsAvehicte 1 07 11 46 am 5 Click Read datastream on the eH code function menu to read the datastream from ECU as shown on the left Actuaton test 30 LAUNCH X 431Diagun User s Manual KE g Click the datastream want displayed with blue as shown on the eft PREV MEXT OE PAGE PAGE RETURN HOME HELP vehicle 1 Bf 3 26 A zx Click OK and the dynamic data of the Name af data stream uit selected datastream items will appear 02 sensor 742 on the screen as shown on the left Mu Until now reading the datastream of the temperature sensor fi rst Car has com pleted Battery voltage ITI 4 Crankshaft position sens GRAPH RECORD 31 LAUNCH X 431 Diagun User s Manual 3 5 2 Read the datastream of the sencod car a Click the Switc
24. ted Please update the Display Program 2 The diagnostic program for the vehicle make is damaged Please re download the diagnostic program and update About Hardware 35 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 Question There is no character on the backlit screen What should do Answer Check if the power is well connected Turn off the machine unplug the power connector and re plug it Turn on the machine after it has been connected to the power for 1 second Question Why does X431Diagun fail in communication with ECU Answer Please make sure that the diagnostic connector and diagnostic program are matching vehicle make Question The screen keeps blank after flashing when the machine is turned on What should do Answer Take out the TF card and re start the machine to see if there is normal display If the display is normal when the TF card is taken out the TF card should be replaced If the screen is still blank please contact the local service engineer Question Why can t the data be inputted after Soft Keyboard is activated Answer The position where the cursor lies can t be edited Or you have not activated the cursor on the input position Please use the stylus to
25. terface 4 When using this equipment without connecting an external power supply 11 LAUNCH X 431Diagun User s Manual if the battery is less than 10 the icon HE appears and indicates the battery is too low 12 LAUNCH X 431Diagun User s Manual 3 Use X 431Diagun to Diagnose vehicle 3 1 Automotive Diagnosis Preparation and Connection 3 1 1 X 431Diagun preparations 1 General Test Condition e Ignition on The vehicle battery voltage is 11 14V 18 30V and the working voltage of X 431Diagun is 12V or 24V e Throttle is closed that is to say the throttle closed position switch is on e Ignition timing and idle should be in the valid range and the water temperature and transmission oil temperature must reach the normal operation temperature water temperature is 90 110 C and transmission oil temperature is 50 80 C 2 Test Connection Selection X 431Diagun is armed with an OBDII 16PIN connector Select the corresponding connector optional when testing the vehicle with non OBD 16PIN DLC 3 1 2 TF Card Installation LT ET EDT ou Lu MD Ot Hpi SJS ggi LUT Figure 3 1 TF Card Installation 13 LAUNCH X 431Diagun User s Manual Installation Procedure 1 Take out the TF card from the box as shown in Figure 3 1a 2 Insert the TF card into the X 431Diagun TF card slot perpendicularly Make sure that the printed micro is upward and in the right place as shown in Figure 3 1
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