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X-431 User Manual - Car Logic Bulgaria

1. cccccceeeee 55 SASO aaa 55 EOU 56 ACUTO AE 56 Self diagnosis of Electronic Control System 57 Working Principle of Self diagnosis 57 Readout of Fault Code in Automotive Self diagnosis System cccceeseeeeeeeees 57 Basic Knowledge of ECU c cece 58 Composition of Vehicle ECU 58 Precautions Related to ECU 58 Appendix X 431 TOOL Connectors and Sockets OCO tun tes testashicrtestantenacemicnienaiees 60 LAUNCH Safety Precautions Precautions on Operation Do not collide when operation For screen flicker occurs at just the moment of the engine ignition Be careful when connect the main cable and the diagnostic socket Tighten the screw and avoid disconnecting or destroying the interface Handle with care Avoid collision Unplug the power after operation When it is necessary to remove the leather cover pull out the CF card first and push in the ejector button to avoid scratching the leather cover Put the cables connectors and other accessories into box Hold the connector when plug or unplug it Do not pull the cable for unplugging The matched lithium battery is special for X 431 Tool otherwise it may cause explosion Do not use other battery Safety Precautions Automotive batteries contain sulfuric acid which is harmful to skin When operation direct contact with the automotive batteries should be avoided Pay attention not to splash the sulfuric acid into eyes Keep
2. 16 diagnostic SMART OBD 16 socket is often under OBDII instrument panel The location will be different connector as different model 1 MITSUBISHI HYUNDAI 12 16 diagnostic HYUNDAI aby ae 16 HYUNDAI socket is often under the angen Conneclor instrument panel by the driver s side g CANBUS diagnostic connector DAEWOO 12 socket is often under the steering wheel column in the compartment or DAEWOO DAEWOO 12 diagnostic under instrument panel by the passenger s side connector or other place SMART OBD 16 trapeziform socket is under instrument panel KIA 20 diagnostic connector KIA 20 socket is in the right of engine KIA SMART OBD 16 compartment diagnostic connector SMART OBD 16 trapeziform socket is CANBUS diagnostic often under the instrument panel connector HONDA 3 diagnostic connector HONDA SMART OBD 16 In left bottom of instrument panel diagnostic connector In the storage box under instrument panel CANBUS diagnostic connector TOYOTA 17F diagnostic connector TOYOTA 17 diagnostic TOYOTA 17F quadrate socket is often in the connector engine compartment TOYOTA SMART OBD 16 TOYOTA 17 semicircle socket is in left diagnostic connector bottom of instrument panel OBD 16C diagnostic SMART OBD 16 socket is often under connector the steering wheel column in the compartment CANBUS diagnostic connector NISSAN 14 16 diagnost
3. Usually it is listed after original disk drive For example if there were drives A B C and D originally the removable disk will be E If there were drives A B C D and E originally the removable disk will be F The rest may be deduced by analogy Question Some downloaded diagnostic program is not listed in the update tool what is the reason 50 X 431 Tool User s Manual Answer There 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 CF card Why Answer possible causes and solutions 1 The Display Program may have not been updated Please update the Display Program 2 The diagnostic program for the vehicle make is damaged Please re download the diagnostic program and update Question Why can t the main unit recognize the replaced CF card Answer There are two possible causes 1 The original CF card has not been fully copied Please delete the incomplete file and copy again 2 The CF card reader is not compatible with the CF card Monofunctional CF card reader is better in such situation Question How to make a new X 431Tool CF card when the data in
4. s Manual sensor into digital signal needed by CPU 2 CPU The digital signal is transferred to CPU for computation and logical operation so that correct air fuel mixture can be obtained CPU can also compute ignition timing and idle speed and control exhaust fuel and diagnostic systems 3 Power source The reference output signal 5V of ECU and the 12V voltage for control module are from vehicle battery Memory is also dependent on the power supplied by the battery 4 Memory ECU contains three types of memory ROM RAM and PROM or EEPROM 1 ROM ROM stores the programming information that can only be read by ECU The program in ROM is not editable Power cut will not damage the data in ROM 2 RAM It is for temporarily storing the inputted data fault code and computed result Power cut will make all information in RAM erased 3 PROM Its program is made by manufacturer to suit the application of transmission engine exhaust control driveability rear axle ratio etc PROM is can be detached from ECU and power cut will not damage the data in it 4 EEPROM Its function is similar to PROM The difference between EEPROM and PROM is that EEPROM can be re programmed by manufacturer with a special device Precautions Related to ECU The circuit inside the ECU is very accurate and may be easily damaged by overvoltage static electricity and or magnetic fields Pay more attention when diagnosing the devices
5. LAUNCH l hi ED Vise fone G Beijing Dhara Eslect Tine foe 100 oo Canberra Heleene Bene 100 Hyp El Ls 1500 Rack led HEll ugh 12 00 Pitt Kemchscke Ce Cm Arae mn E aL Fig 4 36 After finishing all settings click OK button in the Date Time interface to exit and close the interface Contrast It is for adjusting the contrast of the screen to make the interface clearer 1 In the Control Panel interface click Contrast icon to open the Contrast interface See Fig 4 37 2 In the Contrast interface click the position you want and then you can set it X 431 Tool User s Manual Language You can make selection among several languages for convenient operation of the system English piiki Ooh CAEM C Deutsch Franfais O Italiano Pyecewat 2 Esai Portagu s O Polaki Turkie O Nederand Arabic O Eits Hungary Fig 4 38 1 In the Control Panel interface click Language icon to open the Language interface See Fig 4 38 2 Select the language you want to use 3 Click OK button to confirm the selection and close the language interface and the Control Panel interface Note Before selecting language be sure to quit all applications System Information Calibrate Touch Screen It is for getting the desired accuracy of the touch screen Calibrating of touch screen can be divided into two steps The first step is to detect noise automatically If
6. Power Management Control Panel possible Clock Set To set the system time To adjust the contrast of display Language Set To select language to be used 33 LAUNCH System information User Information The user information is filled out by the user To register the information the rights and interests of the user will be more guaranteed See fig 4 2 Click start button In the pop up menu select system information In the pop up option from the system information select user register to open the user information interface In the user information menu active the soft keyboard to input user information Click ok to save and close user information About In the system information menu click about to display the corresponding information of the hardware and the software Click ok to close the about information See fig 4 3 34 X 431 Tool User s Manual Bec mij be Hos Cea re Beeld Sg lh re BAG ariaa start i g Al Tool X 431Tool provides some practical tools to solve some trouble Click start Inthe pop up menu select tool n the pop up options select the function you need Calculator This calculator can perform not only common calculations as a simple calculator such as addition and subtraction but also the function operations as a scientific calculator such as logarithm and factorial Refer to Fig 4 4 1 In the pop up menu of
7. Tools select Calculator to open the Calculator interface 2 Click the square overlap icon on upper left of the screen to switch between scientific calculator and simple calculator 3 Click Unit Conversion button to switch between unit conversion calculator and simple calculator LAUNCH LAUNCH Xaa1700 gyal am inig dag pra lndnvalua infor ir time rin ior riur gr pics wina contro paral ran Peeceeuie urn ah TAn E Click Start button Select Tools in the pop up menu Select the function needed in the pop up submenu LEJI apes Eee eoe e a a JO YeIL Je JIL JO Ee i STSEE my 14 Fig 4 5 35 X 431 Tool User s Manual Ls oon HEHE HS a ea a a Ie O ie Diep Calculator simple and calculator scientific refer to fig 4 5 and fig 4 6 1 2 3 Click numeral keys on the screen to input Or activate Soft Keyboard and click numeral key on Soft Keyboard to input The operation is the same as that for normal calculator Unit Conversion Calculator Refer to Fig 4 7 Click Unit type button at the top right corner to select unit type Input the number to be converted in the blank next to the unit name and then you will see the conversion result If you want to return to simple calculator please click X button at the top right corner to close the current interface X 431 Tool User s Manual Dictiona
8. power adapter to the 100 240V AC outlet with power cord Insert the 12V DC plug of power adapter into the power connector of X 431Tool main cable When the battery power of the main unit is insufficient the above methods can also be used to get power There is an input power port for the main unit Please refer to fig 2 2 Operation More and more vehicle models and systems can be tested by X 431Tool Please log on the LAUNCH htto www X431 com and update the latest software in time Entering Function Menu After connection press POWER key to start X 431 Tool After starting the main unit press HOTKEY or click Start button on the main menu and select GAG GD Scan on the pop up menu the screen will display the home page of vehicle diagnosis as shown in Fig 3 3 LAUNCH Xam _ START giin BI HFI HELF Fig 3 2 Button descriptions QUIT to exit the diagnostic program BOX INFO to display hardware and software version of DIAG Infinite HELP to display help information START to start the diagnosis Click START button the screen will display vehicle make menu as shown in Fig 2 04 X 431 Tool User s Manual FALE Card Fig 3 3 Button descriptions BACK to return to the previous interface PAGE UP to display the previous page itis inactive if the current page Is the first page PAGE DOWN to display the next page it is i
9. Click OK button to close the To Do Display interface Then you can see the corresponding To Do in the list box of the To Do interface Schedule The basic functions of Schedule include add new schedule view schedule delete schedule etc LAUNCH 5 Fig 4 24 In the pop up list of PIM select Schedule to open the Schedule interface Click the Date button on the upper left of the interface to open the Select Date interface In the list box in the middle of the interface all schedules on that day corresponding to the Date button will be displayed See Fig 4 24 Click New button and then the cycle list pops up You may select Common Daily Weekly Monthly and Annual In the cycle list select one item to open the Schedule New interface Add New Schedule Set the date of the schedule 1 In the Schedule interface click the Date button on the upper left to open the Select Date interface In the Select Date interface click 4 icon to the left of the month or year to select the previous month or year Click the La icon to the right of the month or year to select the next month or year See Fig 4 25 Click to select the date in the current month When it is highlighted it is selected Or click Today button to display the current year month and date directly Click OK button to save the date setting 43 jirar E Fig 4 25 X 431 Tool User s Man
10. Click OK button to save and close the Schedule New interface View Schedule 2 5 In the Schedule interface select the date that has been scheduled Refer to the section Add New Schedule gt Set the date of the schedule In the list box of the Schedule interface click Scrolling Bar to turn to next page and click the schedule you want to view Then the contents of the schedule will be shown in the opened Schedule View interface Click OK button to close the Schedule View interface Edit Schedule 1 In the Schedule interface select the date that has been scheduled Refer to the section Add New Schedule gt Set the date of the schedule In the list box of the Schedule interface click Scrolling Bar to turn to next page and click the schedule you want to edit Then the contents of the schedule will be shown in the opened Schedule View interface If the edited affair is Daily Weekly Monthly or Annual you can edit the repeat time in the textbox on the bottom of the interface After editing click OK button to save the edited contents and close the Schedule View interface Delete Schedule 1 In the Schedule interface select the date that has been scheduled Refer to the section Add New Schedule gt Set the date of the schedule In the list box of the Schedule interface click Scrolling Bar to turn to next page and click the schedule you want to edit
11. Then the schedule will be shown in the opened Schedule View interface See Fig 4 28 Click Delete button to delete it and close the Schedule View interface LAUNCH X 431 Tool User s Manual Application It displays the application information contained in the Start menu including the group name CF Really delece this T schedule the submenu etc te a Fi j Bme j Tools Ca loalenie Rodaice Delece Cael 4 tetas Fig 4 28 System Scarce fl Oy E ja Control Panel Fig 4 30 The control panel includes all interrelated software and hardware configurations It makes the software more custom built for you by configuring In the Control Panel interface click App icon to open the Application Manager interface 1 Click Start button 2 Then you can see the corresponding 2 Select Control Panel in the pop up menu information in the list box of the interface 3 Open the Control Panel interface See See Fig 4 30 a 3 Insert a new group a ape poy Clack OEMIDIE KE Langu Click Insert button and input the item name Then choose Start as its parent and click OK button LAUNCH Caloalacor er lis AEri Fimis Fig 4 31 Insert a new submenu Click Insert button and input the item name and the file path Then choose a group as its parent and click OK button The path can be inputted directly or found out in a dialogue box after clicking Brow
12. When the function is selected X will be marked in the box Click OK button to save and close the To Do Detail interface In the To Do Detail interface click OK button to save and close the To Do New interface X 431 Tool User s Manual iT Ox Cro Ha 7 Eqire Ho Pace j Priority Be 2 415 Fiurd2ted 0O Ws j Cancel jJ atj G a 5 yaa Fig 4 21 View To Do 1 In the list box of the To Do interface click the to do option that you want to view 2 Then the contents of the To Do will be shown in the opened To Do Edit interface 3 Click OK button to close the To Do Edit interface Edit To Do 1 In the list box of the To Do interface click the memo that you want to edit 2 Then the contents of the memo will be shown in the opened To Do Edit interface 3 Click Detail button to open the To Do Detail interface please refer to step 4 8 in the section Add New To Do 4 After editing click OK button to save the edited contents and close the To Do Edit interface Delete To Do 1 In the list box of the To Do interface click to do that you want to delete 2 Then the contents will be shown in the opened To Do Edit interface 3 Click Delete button to delete the To Do and close the To Do Edit interface Edit Type 1 Click the W button to the right of Group in the interface so that the type list 41 LAUNCH pops up 2 In the type list select Edit Group t
13. actuator can not work normally the monitoring circuit will transmit the message to the ECU ECU can make the message displayed and take measures to ensure the safe running of engine For example when the power tube in engine ignition system is out of order the ignition monitoring circuit sends feedback to the ECU ECU emits warning signal and sends commands to actuator for stopping injection so as to prevent the unburnt mixture from damaging the catalytic converter of exhaust system 3 For ECU There is no monitoring circuit but a monitoring clock in the ECU for resetting ECU regularly If ECU is out of order its program will not be run and the clock will not reset the ECU so that overflow may occur This situation is deemed as fault for displaying For preventing unexpected stopping of vehicle caused by problem with ECU there is a backup circuit in ECU When the backup circuit receives the signal of abnormality from the monitoring circuit a spare control program will be started for keeping the engine running as pre programmed Readout of Fault Code in Automotive Self diagnosis System The fault in vehicle electronic system is stored in KAM of ECU as fault code The fault code can be read out by the on board diagnostic LAUNCH system or external scan tool The on board diagnostic system in different vehicle may indicate the fault in different way In general the following ways are popular 1 Blinking of fault indica
14. 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
15. change the lowercase letter into the uppercase letter and the numeral key into special symbol same as the special characters corresponding to the numeral keys in normal keyboard The white key at the bottom right of the Soft Keyboard is space key rai ew In writing board mode refer to Fig 2 10 there are eight function keys at the lower left of the soft keyboard The four ones on the bottom implement the function to move the cursor X 431 Tool User s Manual leftward rightward upward or downward The other four functions are from left to right to delete the first character before the current cursor clear the hand writing section space and return Input by Keyboard 1 Open an interface such as User information 2 Click Soft Keyboard Icon in the tool bar to activate Soft Keyboard 3 Click the characters on Soft Keyboard to enter data Refer to Fig 2 11 Input by Writing Board 1 Open an interface such as Memo 2 Click New button 3 Click the function key to switch to Writing Board Refer to the section Use for Soft Keyboard 4 Write on the white board to the right of the Soft Keyboard Enter the information by function key operation ri Go LAUNCH Control of App Check Box E Ciapley Finished fea Disple Epir Bent E Display Expiry dre w Pisplsy Priority Fig 2 12 Click the check box to select the function When the function is selected X will be marked in
16. old one is lost or damaged Answer In case X 431Tool CF card is damaged and the program in the card can not be used please use the following procedure to make a new CF card 1 Log onto the website www X431 com Enter your username and password to log in Select the DIAGInfinite No and then download the following programs into your computer 1 Necessary programs for making CF card LAUNCH X 431 UPDATE TOOLS for writing the program from computer to CF card when doing X 431 update DISPLAY PROGRAIN for displaying the X 431 diagnostic information and managing the X 431 diagnostic programs 2 Optional programs that can be selected according to user s demand Diagnostic program for various vehicles 2 Install the X 431 UPDATE TOOLS into computer 3 Format the X 431 CF card 4 Run the X 431 UPDATE TOOLS and write the display program and diagnostic programs onto CF card About Hardware Question After X 431Tool downloads the diagnostic program from the CF card it prompts Please contact your local dealer What is the reason Answer It is because the license No in CF card does not match the DIAGInfinite It can be solved in the following way 1 Download the software that is corresponding to the DlAGInfinite so that the CF card can match the DIAGInfinite 2 Use the UPDATE TOOL that is provided on http www X431 com for update Never use WINZIP or other decompressing tool for upd
17. sensors actuators circuits and ECU in vehicle The computer assigns a numeric code for each specific problem that it detects and stores these codes in its memory for later retrieval and turns on the fault indicator on the dash panel to warn the driver The problem detected may be inputted outputted signal exceeds the specified range or some circuit is short circuited or open Now let s take gasoline injection control system as an example to describe the working principle of the self diagnosis system When problem occurs the process of diagnosis and treatment will be as follows 1 For sensor If the output signal from the sensor is out of the specified range of voltage when engine is running it will be deemed as fault For example the normal output voltage from coolant temperature sensor should be in the range of X 431 Tool User s Manual 0 3 0 4V If not the situation will be deemed as fault and fault code will be stored in memory Self diagnosis system can detect damaged sensor or short open circuit but it can not appraise the performance of sensor Occasional occurrence of abnormal signal will not be deemed as fault immediately For not being interrupted by the sensor fault the engine will be controlled by the pre stored normal coolant temperature e g 80 C from the self diagnosis system 2 For actuator When the engine is running ECU sends commands to actuators according to the practical situation If the
18. that is LAUNCH connected to ECU because most ECU s are operated under low voltage about 5V Whenever you work in the vicinity of ECU or engine control system please obey the following precautions NO oo pP O1 Never damage the lead or connector Prevent them from being grounded or contacting with an unexpected power source Never use the electrical test tool that is powered by 6V battery or over Strong current may cause the element in ECU broken or shorted For checking the engine control circuit only the multimeter with large internal impedance over 10MQ can be used Never try to disassemble or repair ECU if there are not necessary tools and information Any mistake may damage the component or increase the difficulty for service station The spark plug wire must be at least 25 4mm from any sensor circuit or control circuit Some unexpected fault in ECU circuit is caused by magnetic fields that transmit wrong signal to ECU High tension wire or transformer may interfere with ECU but the most common cause for such problem is that the spark plug is too close to ECU harness Be careful when moving ECU or working around ECU Remember that static electricity may cause strong electrical shock and damage ECU 59 X 431 Tool User s Manual LAUNCH X 431 Tool User s Manual Appendix X 431 TOOL Connectors and Sockets Location O Modd Connectors Socket Location Oow ISMART OBD
19. the check box and the function description will be displayed on the right of the check box You can select several functions at the same time Refer to Fig 2 12 Ct G tere 7 Ininom Lae Bical FOS f l ia e a os i kike sarci Bas To do as File Path Insert Delete Modi Of cancel iil i a 10 19 Fig 2 13 X 431 Tool User s Manual Scrolling Bar Scrolling Bar is usually at the right side of the touch screen You can click or drag it to operate If the content can t be displayed completely in one page moving the Scrolling Bar can turn to next page Refer to Fig2 13 Common Button 20 Button at top right corner of the interface After clicking it current interface will be closed When editing is being done clicking of the button will be treated as quitting the editing Py Button at top right corner of the interface _ After clicking it the help information will be shown Cancel Button in the interface After clicking it current interface will be closed Help Click ey button at the top right corner of the interface to get helpful tips for current interface LAUNCH Vehicle Diagnosis Conditions for Test Turn on the key The voltage of vehicle battery should be 11 14V The rated voltage of the X 431 Tool is 12V The throttle should be in the closed position X 431Tool works in the temperature range of 0 50 C 30 minutes of warming up may be necessary wh
20. to open the Address New interface See Fig 4 16 Activate Soft Keyboard and fill the detailed information on relatives and friends Click OK button to save and close the Address New interface Then the added name will be displayed in the list box of the Address Book interface Cancel i Fig 4 16 View Address 1 In the list box of the Address Book interface click the name that you want to view LAUNCH 2 Then the detailed information about the 2 person will be shown in the opened Address Edit interface 3 3 Click OK button to close the Address Edit interface Edit Address 1 In the list box of the Address Book interface click the name that you want to edit 2 Then the information about the person can be edited in the opened Address Edit interface See Fig 4 17 3 After editing click OK button to save the edited contents and close the Address Edit interface T Gat Leet Meme Joon First Femi Tel ico i del Ai Fanci a To Do Gan Tircle Addr OT 3 etc de Ry aie ciate 1 Cucel Delete ar in g Ea lo Fig 4 17 Delete Address 1 In the list box of the Address Book interface click the name that you want to delete 2 Then the information about the person will be shown in the opened Address Edit interface 3 Click Delete button to delete the person s information and close the Address Edit interface Search Address 1 1 In the Address Book interface click F
21. 12V DC Parallel communication port of main unit Hotkey button Bluetooth indicator of main unit ie Bluetooth indicator of DIAGInfinite CF card ejection key eo CF card slot ee Paper Out Data interface of DIAGInfinite Hardware Configuration For vehicle diagnosis some accessories e g connectors and cables should be used to connect X 431 Tool main part to vehicle diagnostic socket X 431 Tool configuration is as shown in Fig 2 4 LAUNCH X 431 Tool User s Manual Fig 2 4 o Description o Mef m 431Tool Main The screen of main unit can display the operation Unit buttons the test result and the help information DIAGInfinite Perform vehicle diagnosis Store diagnostic software and data USB cable Connect CF card reader and computer CF card reader Read or write data from to the CF card Diagnostic Dozens of connectors are provided available for connector various vehicles Here shows a typical one CAN BUS Test CAN BUS system diagnostic connector Connect the AC 100 240V 50 60HZz outlet and the Power cord power adapter Diagnostic Connect the vehicle diagnostic socket connector with cable LAUNCH X 431 Tool User s Manual Cigarette lighter Get power from the vehicle cigarette lighter cable 1 Battery cable Get power from the vehicle battery w two clips Power adapter Convert 100 240V AC power into 12V DC power Connect the diagnostic connector and DIAGInfinite Printer Operation Fig
22. 2 5 shows the back view of the X 431Tool Open the housing of X 431 Tool main unit and get out the main unit Haien ea pie Fig 2 5 Mounting Paper Miniprinter uses thermal paper with size of 30x 57mm internal hole 7mm Refer to Fig 2 5 for mounting the paper LAUNCH X 431 Tool User s Manual Fig 2 6 Method 1 Turn off the power of main unit 2 Open the housing of main unit and get out main unit 3 Open the paper lid on the back of the printer See Fig 2 6a 4 Take out the spindle and mount the paper scroll onto the spindle Put the paper spindle into the printer with correct direction The paper may not be fed if the direction is wrong See Fig 2 6b 5 Lead the paper into slot See fig 2 56c The paper will automatically lead out from the slot 6 Adjust the paper and attach the paper lid See fig 2 6d 7 Put main unit into housing Method II 1 Open the housing of main unit and get out main unit 2 Open the paper lid on the back of the printer See Fig 2 6a 3 Take out the spindle and mount the paper scroll onto the spindle Put the paper spindle into the printer with correct direction The paper may not be fed if the direction is wrong See Fig 2 6b 4 Open the side plate pull up the pressing rod and lead the paper into slot See fig 2 6c Turn the feed knob clockwise until the paper comes out of the outlet See fig 2 6d 5 Adjust the paper and attach the paper lid 6 Put main unit into h
23. 40 amp fig 3 41 Fig 3 38 Button deceptions click Resetting maintain oil indicator to execute OK to execute the login procedure this function function CANCEL to return the function menu BACK SPACE to delete the wrong tule inputted number Resettires maniam m indiai Note Seting samice code Perform this function first before performing the functions like code control unit adaptation etc CER a ehi After the login password is inputted click OK button X 431Tool starts to log in When the login is successful the screen will display the information as shown in Fig 3 39 Click OK to return the function menu Fig 3 40 23 LAUNCH Fig 3 41 The following is the resetting options of the maintain indicator a Resetting Maintain option a indicator 24139km 12m OLDINI 36209km 18 m Setting Service Code some functions for Volkswagen and Audi will be executed after setting service code If not these functions such as adaptation and control unit code function will not be done Click setting service code in the fig 3 42 X 431 Tool User s Manual Silbi serace code 0 65535 OBDII Diagnostic function Freeze Frame Data Freeze frame test of OBDII is used for the OBD I vehicle On the select vehicle make menu choose OBDII to enter freeze frame data for executing this function See fig 3 43 SELECT DIAG FUNCTION Read fault memory erase tau mem
24. 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 contact LAUNCH by visiting Launch at http 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 Copyright Information Copyright 2006 by LAUNCH TECH CO LTD All rights reserved No part of this publication may
25. N electronic control system SMART OBD 16 diagnostic connector for KINGLONG equipped with 63 Under left bottom of driver instrument panel FIAT 3 socket is in engine compartment SMART OBD 16 trapeziform socket is under instrument panel FIAT 3 socket is in engine compartment SMART OBD 16 socket is in left bottom of instrument panel in compartment CHERY ABS socket is under instrument panel Sockets for CHERY MOTOROLA K2 electronic control system next to firewall in engine compartment Sockets for CHERY MM electronic control system next to firewall in engine compartment Sockets for NISSAN system under instrument panel of front seat Sockets for DELPHI 491QE under driver s seat Sockets for passenger door Sockets for HINO system of KINGLONG saloon car behind left rear wheel DELPHI JM495 next to LAUNCH X 431 Tool User s Manual DELPHI electronic control system TOYOTA 17F diagnostic connector for KINGLONG equipped with TOYOTA electronic control system KING LONG 16 diagnostic connector ZHONGHUA CAR ZHONGHUA CAR _ 16 e ZHONGHUA CAR 16 socket is under right diagnostic connector side of steering wheel in compartment 64 LAUNCH 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 wa
26. OK to go on the test PRINT to print the information displayed Fig 3 9 shows an example of printed report TOO jI Eiir a LS Fig 3 9 Click OK button The screen will display the function menu as shown in Fig 3 10 1 Read ECU memory 2 Read fault memory 3 Read measuring value 4 Erase fault memory 5 Basic setting 6 Adaptation LAUNCH Read individual measuring value Diagnose final control Code control unit Login procedure End output CO N O brear brult ganony neg final ctrl Petel lini ieee eee Ley Lie PADE DIAN PARIT HELF Fig 3 10 Button descriptions HOME to return to the homepage of vehicle diagnosis BACK to return to the previous interface HELP to display the help information PAGE DOWN to display the next page Click PAGE DOWN button to display the second page of the function menu as shown in Fig 3 11 ie Samia watt X 431 Tool User s Manual Read ECU Information Click Read ECU Memory on the function menu The screen will display the information on ECU of the tested system See Fig 3 12 Diag system l engine system LODSI603 SA Lil SIMO SAW COaATSOCo4 Fou meman MONS SEET Sabon coe Dope Fig 3 12 Note The information is from the vehicle ECU If you have any question during test don t hesitate to contact LAUNCH to get answer as soon as possible Click OK button to r
27. Pay attention to connect the ECU terminal LAUNCH Introduction X 431Tool is a new generation of automobile diagnostic computer It features wireless communication and color screen It is based on the technology of open diagnostic platform the most advanced automobile diagnostic technology brought forward by LAUNCH The open diagnostic platform represents the highest level of automobile diagnostic technology and is the developing trend of this field in the future Features X 431Tool can diagnose almost all vehicle models in the world The function of software update via Internet makes it easy for customer to get the latest diagnostic programs and keep pace with the development of automotive technology The main unit communicates with the DIAGInfinite by means of Bluetooth technology This provides great X 431 Tool User s Manual convenience in operation X 431Tool is the most advanced automobile diagnostic unit in the world at present It is compactly designed and with large LCD multicolor touch screen The product is a perfect combination of the automobile industry and the communication technology X 431Tool is the first one in the world that provides the CAN BUS and CAN BUSI diagnostic function The product has perfect appearance large multicolor touch screen Its PDA function supports Multi language operation which provides convenience for people of all countries X 431Tool can continuously work at least 4 ho
28. ata 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 click the part to edit When the cursor twinkles you can input the data 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 Calibrate Touch Screen in User s Manual 52 X 431 Tool User s Manual Question the saved data disappear Why does Answer There are two possible causes 1 Your CF 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 How to know what applications interfaces are opened Answer Click the active taskbar icon then the pop up list will display the applications interfaces opened Question Why can t do operation in current interface Answer There are two possible causes 1 Your current interface has exited illegally In this situation you may not see the name of the application interface in the pop up list when you Click the active taskbar icon 2 The system is busy please wait patiently or click the active taskbar icon to switch to another application Question The listed icons of vehicle make occupy more
29. ate 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 Power can not be turned on with the power button on the main unit after the machine 51 X 431 Tool User s Manual is connected to vehicle diagnostic socket through cables and connectors What can do Answer Check the power pin of vehicle diagnostic socket with multimeter for power The power pin in diagnostic socket varies from one vehicle to another Please refer to the User s Manual of specific vehicle diagnostic program to find the power pin If there is no power supply from the diagnostic socket please get power in other ways such as from battery or cigarette lighter 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 Printer does not respond or its printed result is incomplete What should do Answer Check if the printer is well connected with the main unit Unplug the printer connector and re plug it again to check the printed result Question Why can t the diagnostic program be downloaded to DIAGInfinite Answer Plea
30. 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 X 431 Tool User s Manual 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 General Notice 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 diagnosis 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 proble
31. bottom of the interface input the name of the type 5 Click Add button to add a new type and it will be displayed in the list box of the Edit Group interface See Fig 4 14 6 Select one type in the list box and then click Delete button to delete it 7 Click Close button to close the Edit Group interface The interface a It represents the Memo Interface the New Memo interface and the Memo Edit interface LAUNCH ars wee ji caai 1 Fig 4 14 Browse By Types 1 Click the W button on the top right of the Memo interface so that the type list pops up 2 Select the type in the list 3 Then you can see the memo belonging to the type in the list box Note Only the memo belonging to the type can be displayed here If you want to browse all memos please select All in the steps 1 and 2 Address The basic functions of Address Book include add new address view address delete address to search address etc 1 In the pop up PIM list select Address to open the Address Book interface 2 It lists the name of persons whose communication information has been Stored 3 Click New button to open the Address New interface See Fig 4 15 4 Click Find button to pop up the Find People interface The operation guide for each function is described below X 431 Tool User s Manual Fig 4 15 Add New Address 1 In the Address Book interface click New button
32. cursor on the input position Use the stylus to click the part to edit When the cursor twinkles you can input the data Question What should do if am not able to switch from Active Taskbar to the running application interface Answer Please close interfaces related to the application such as the Help or Detail Question saved data disappear Why does the Answer There are two possible causes 1 Your CF card is damaged It is necessary to make a new CF card 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 What can do when the screen is confused LAUNCH Answer Please quit the current application interface and run it again If the problem still exists please restart the system Question How to know what applications interfaces are opened Answer Click the active taskbar icon then the pop up list will display the applications interfaces opened Question Why can t do operation in current interface Answer There are two possible causes 1 Your current interface has exited illegally In this situation you may not see the name of the application interface in the pop up list when you Click the active taskbar icon 2 The system is busy please wait patiently or click the active taskbar icon to switch to another application Questions Related to Vehicle Question Why does the screen flic
33. display the live value of data stream of the channel See Fig 3 17 MEL 1 2 00 Ba am 0 fein T High Las 75 11s GAAPHIC 1 Fig 3 17 Note Refer to appendix M for the channel and parameter defined of Volkswagen Audi On the datastream display menu after clicking CHOOSE DATASTREAM OPTION then click GRAPHIC 1 The screen will display the chosen waveform as shown fig 3 18 X 431 Tool User s Manual Fig 3 18 Click GRAPHIC 2 to display the waveforms of 2 data stream items See Figure 3 19 It is convenient for the user to make live comparison between two correlative data stream items Figure 3 19 Note The screen will display the live value of data stream again if the DIGITAL button is clicked in the interface The three display modes DIGITAL GRAPHIC 1 and GRAPHIC 2 can be Switched in turn LAUNCH Read Measuring Value of other series On the function menu select read measuring value to enter the choose measuring option menu Click the measuring option to view See fig 3 20 SELECT MEASURING VALUE Faulk indicator Fuel system siale CALC toad Gonla nt lamp matam Short Tuel leet Long iiel learn Ei Engine iry Engine speed PAGE LILA Fig 3 20 Button descriptions PAGE DOWN to display the next page HOME to return to the homepage of vehicle diagnosis BACK to return to the previous interface As fig 3 21 shows the selected optio
34. driver in Windows Me 2000 XP and Mac OS 9 x Mac OS X However it is necessary to install the driver on Windows 98 The installation procedure is as follows 1 Boot Windows 98 2 Insert the CD ROM into CD ROM drive 3 Connect CF card to the USB port of the PC with the attached USB cable Find and Double click on setup exe file in the catalogue of CD ROM The system will make preparation for the installation See Fig 3 60 4 When the preparation is complete the screen will prompt to continue the operation See Fig 3 61 Click Next to Start installation Pieugiieg im malal Fig 3 60 LAUNCH X 431 Tool User s Manual of My computer Click the right mouse button on Removable disk to pop up a menu Select Ejector J in the menu Then pull out the CF card The written data may be lost if the CF card is pulled out discretionarily When you want to use the CF card again put it in Software Update Fig 3 61 Open the X 431Tool update folder and 5 When installation is finished the screen double click the iconL Then install the will display the information as shown in Fig update tool according to the prompts on the 3 62 Click Finish to exit screen When the installation is complete the X 431 Tool update tool icon will appear on the desktop Make sure that the X 431Tool CF card reader and the CF card are well connected to the computer Then double click the X 431 Tool u
35. e Display Program Download When download the diagnostic program users can also download the display program On the drop down menu users select the language then click down On the pop up menu click save to put the program into the X 431 Tool update Diagnostic Program Download On the drop down menu select the language and the version default version is the latest version 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 down the diagnostic program into the X 431Tool update Up to now the software that is for update is downloaded completely Connection of the Reader and Install the Driver Necessary Hardware 1 Acomputer that can access the Internet 2 ACF card reader and a CF card that need to be updated Connection of Reader See Figure 3 59 for hardware connection 29 X 431 Tool User s Manual Figure 3 59 1 CF card reader 2 USB cable 3 USB Port 4 Computer 5 CF card Insert the CF card into the CF card reader Connect one end of the USB cable to the port of the CF card reader and the other end to the USB port of the computer Install the Driver If it is the first time to use the CF card reader you may have to install its driver Use CD ROM or floppy disk which are bought separately or delivered with the CF card reader to install the driver CF card reader can use the default
36. en the ambient temperature is 5 C Select Diagnostic Connector Various diagnostic connectors are supplied with X 431Tool Select a specific connector according to the tested vehicle Refer to appendix I and appendix I Diagnostic Socket Location Different vehicles have different socket locations Please refer to appendix I and appendix II Connection Insert the CF card into the CF card slot keep the face labeled UPSIDE upward and make sure the card is fully seated Insert one end of the main cable into the diagnostic socket on DIAGInfinite Connect the other end of the main cable to the diagnostic connector Connect the other end of the diagnostic connector to the vehicle diagnostic socket For more details please refer to fig 3 1 X 431 Tool User s Manual Fig 3 1 1 DIAGinfinite 2 main cable 3 diagnostic connector 4 diagnostic socket Note If the power supply on vehicle diagnostic socket is insufficient or the power pin is damaged you can get power in the following ways From cigarette lighter insert one end of the cigarette lighter cable into the lighter socket in vehicle and connect the other end to the power connector of X 431Tool main cable From battery clamp the two clips of battery cable on the positive and negative poles of battery and insert another end of the cable into the power connector of X 431Tool main cable From power adapter connect the
37. en will be displayed as shown in Fig 3 24 No fault coda OK PRINT Fig 3 24 X 431 Tool User s Manual Button descriptions OK to return the function menu PRINT to print the test result Basic Setting Basic setting is necessary for some systems after service is done Click Basic Setting on the function menu Click the number button to input the group No See Fig 3 25 Button descriptions OK to execute the basic setting function CANCEL to return the function menu BACK SPACE to delete the wrong input number Adaptation Click Adaptation the function menu Click the number button to input the group No The screen will be displayed as shown in Fig 3 26 LAUNCH Chane Le iiis Note Refer to appendix V for the basic setting channel of Volkswagen Button descriptions OK to make sure the inputted channel CANCEL to return the function menu BACK SPACE to delete the wrong input number After the correct channel No is inputted click OK button X 431Tool prompts user to input the matched data See Fig 3 27 After the matched data are inputted click OK button to perform the function of adaptation See fig 3 28 20 X 431 Tool User s Manual Ghaninel fia 1 Matched data 2 Fig 3 28 Click OK If the adaptation is successful the screen will be displayed as shown in Fig 3 29 PPC Pier
38. erface click New button to open the New Memo interface 2 Activate Soft Keyboard and fill the subject and contents 3 Click the button on top right corner then select the type in the pop up list 4 Click OK button to save and close the New Memo interface 5 Then you can see the new memo in the list box of the Memo interface View Memo 1 In the list box of the Memo interface click the memo that you want to view 2 Then you can view the contents of the memo in the opened Memo Edit interface 3 Click OK button to close the Memo Edit interface Edit Memo 1 In the list box of the Memo interface click the memo that you want to edit 2 Then you can edit the contents of the memo in the opened Memo Edit interface See Fig 4 13 3 After editing click OK button to save the edited contents and close the Memo Edit interface 38 X 431 Tool User s Manual e tele j Stace il my 14 4 Fig 4 13 Delete Memo In the list box of the Memo interface click the memo that you want to delete 2 Then you can delete the memo in the opened Memo Edit interface 3 Click Delete button to delete the memo and close the Memo Edit interface Edit Type 1 Click the W button on the top right of the interface so that the type list pops up 2 In the type list select the Edit Group to open the Edit Group interface 3 In the Edit Group interface activate Soft Keyboard 4 In the text box at the
39. essure sensor air flow sensor position angular sensor gas concentration sensor rotary speed sensor acceleration sensor vibration sensor light sensor distance sensor electrical current sensor angular speed sensor shaft sensor liquid level sensor etc The commonly used sensors in corresponding control systems of vehicle are 1 In engine management system intake air pressure or air flow air fuel ratio crankshaft position knock RPM intake air temperature coolant temperature and O2 sensors 2 In transmission system vehicle speed throttle position RPM A T output shaft speed toque oil pressure temperature shift position sensors LAUNCH 3 In braking system vehicle speed wheel speed deceleration sliding rate braking pedal force braking pedal position sensors etc 4 In steering control system steering vehicle acceleration vehicle speed sensors etc 5 In suspension system vehicle speed vehicle height steering angle throttle position braking force sensors etc 6 In A C system external temperature internal temperature sunshine coolant temperature refrigerant pressure and humidity sensors etc 7 In instrument alarm and diagnosis systems remaining fuel coolant temperature oil pressure oil status intake air pressure windshield washer fluid level battery liquid level door lock braking fluid level sensors ECU The electronic control unit is composed of input circ
40. eturn to the function menu Read Fault Memory Click Read Fault Memory in the function menu X 431Tool starts to test the fault code The screen will display the test result when the test is finished Fig 3 13 is an example of a test result LAUNCH DIGS Eber ehenget Cee Sianal ot mene EL oa Eee tive DOTTI Fuel graye sender Fig 3 13 Button descriptions HOME to return to the homepage of vehicle diagnosis BACK to return to the previous interface PRINT to print the test result Click PRINT to print out the test result Fig 3 14 shows an example of printed report wagi Too Aeoort LALA GAGE Au aT oie fS db Li F I COOEOO Wiha A ee ERP Igal Al li Bj G14 Lea i E Fig 3 14 If there is no fault code in the tested system the display will be as shown in Fig 3 15 X 431 Tool User s Manual OF Fig 3 15 Click OK button to return to the function menu Read Measuring Value Read Measuring Value of Volkswagen On the function menu click read measuring value to read the datastream See fig 3 16 Click the corresponding number to choose the channel Chane Ls 255 2 CANCEL BACK SPACE Button descriptions LAUNCH OK to execute the read datastream memory function CANCEL to return to the function menu BACK SPACE to delete the wrong number For example when 1 is inputted for the channel No the screen will
41. i i DE Fig 3 29 Read Individual Measuring Value Click Read Individual Measuring Value from the function menu The screen will be displayed as shown in Fig 3 30 Click the number button to input the group No LAUNCH Chr Ls 25551 Fig 3 30 Button descriptions OK to make sure the inputted channel CANCEL to return the function menu BACK SPACE to delete the wrong input number For example when 1 is inputted for the channel No the screen will display the live value of the channel Click OK to return the function menu See Fig 3 31 Inti rides measuring vala 255 Fig 3 31 Click OK to return the function menu Diagnose Final Control Click Diag Final Ctrl on the function menu 21 X 431 Tool User s Manual The screen will display the information as shown in Fig 3 32 ee Cer al coanteollec can be primed COCs Fig 3 32 Button descriptions YES to perform the test for next component NO to quit the test and return to the function menu When the test for all actuators is finished the screen will display the information as shown in Fig 3 33 No Ging final ctrl Fig 3 33 Click OK button to return to the function menu LAUNCH Control Unit Code Click Control Unit Code the screen will display the information as shown in fig 3 34 X 431Tool prom
42. i block Braking System SRS Air Bag TC Traction Control AT Automatic Transmission etc are computerized Computerization makes the control precisely quickly effectively and safely Consequently a significant progress in vehicle driveability fuel economy power performance comfortability emissions safety and so on has been made Composition and Working mare Principle of Computer Control Sensor system It is a device that converts non electric variable The Computer Control System consists of the on board computer and several related control devices sensors switches and actuators Most on board computers are located inside the vehicle behind the dashboard under the passenger s or driver s seat or behind the right kick panel Some manufacturers may still position it in the engine compartment The sensors switches and actuators are devices such as oxygen sensors coolant temperature sensors throttle position sensors fuel injectors etc that are located throughout the engine and are connected by electrical wiring to the on board computer As an example the diagram of engine control system is shown in Fig 6 01 55 into electric signal More than 50 types of sensor are used in modern vehicles most of which are found in powertrain chassis control systems body control system safety system etc According to the physical variables controlled sensors are sorted into following types temperature sensor pr
43. ic connector SMART OBD 16 l NISSAN diagnostic connector a a often in the left of radio under OBD 16C diagnostic connector CANBUS diagnostic 60 LAUNCH SSANGYONG CITROEN MITSUBISHI HYUNDAI 12 1 MITSUBISHI OPEL FIAT FIAT 3 FIAT 3 diagnostic connector connector MERCEDES BENZ connector 10 SSANGYONG 20 diagnostic connector 2 SSANGYONG 14 diagnostic connector CITROEN 2 diagnostic connector CANBUS diagnostic connector DAIHATSU 4 diagnostic connector 6 diagnostic connector CANBUS diagnostic connector ei ei connector SMART diagnostic connector CANBUS connector BMW 20 diagnostic connector BMW 16 diagnostic connector CANBUS diagnostic connector MERCEDES BENZ 38 diagnostic connector SMART OBD 16 diagnostic connector 16PIN quadrate socket amp 8PIN quadrate socket UNIVERSAL 3 diagnostic connector OBD 16C connector BENZ 14 diagnostic connector CANBUS diagnostic connector OBDF 16 OBDL 16 diagnostic diagnostic X 431 Tool User s Manual SSANGYONG 20 diagnostic connector socket is in the rear of the engine next to wiper SSANGYONG 14 diagnostic connector circle socket is in the head next to front seat Inthe left of engine in engine compartment Under instrument panel MITSUBISHI socket is under instrument panel by the driver s side Sockets are
44. ignition sources away from the battery at all times Engines produce various poisonous compound hydrocarbon carbon monoxide azote oxid etc which should be avoided Avoid contacting high temperature assembly such as water tank and vent pipe as the temperature of the running engine is very high Before starting engine put the speed lever in the neutral position or in the P position to avoid injury Wear an ANSI approved eye shield when testing or repairing vehicles If you are using the battery as a power source connect the RED battery clip to the positive vehicle battery terminal and the X 431 Tool User s Manual BLACK battery clip to the negative Precautions on Operating Vehicle ECU Do not disconnect the vehicle inner battery when connect the ignition switch When disconnection transient voltage is very high which causes the damage to the sensor and ECU Do not put the wireless reproducer near to the computer Do cut off the power supply of the ECU system before jointing on the vehicle Pay more attention to the ECU and sensor when operation is next to the ECU and sensor Do not use the pointer ohm meter instead of digital instrument for testing ECU and sensor without special explanation Do not test the electric device about the ECU with the test lamp without instrument People who get in and out the vehicle must wear the earthing metal strip with one end on the wrist and other on the vehicle body
45. in the left bottom of instrument panel of driver s seat OPEL socket is in compartment It will be in different location as different model under instrument panel under steering wheel column between cigar lighter and radio or under board behind shift column Under steering wheel 80 90 BMW socket is in the right of engine compartment 525i amp 535i socket is in the right or left of engine compartment 3258635 socket is under instrument panel BMW 735i socket is in the left of engine compartment 20PIN Benz A160 amp OBD 16 socket is under instrument panel by driver s side BenzC180 amp 202 chassis MERCEDES BENZ 38 socket is right behind of engine compartment Benz 320 220 chassis OBD 16 socket under instrument panel Benz 8320 140 chassis MERCEDES BENZ 38 socket under the right side lid of engine compartment Benz 560SEL 129 chassis MERCEDES BENZ 38 socket in the right side of engine compartment Benz 300SEL 140 chassis MERCEDES UNIVERSAL 3 connector Note for diagnostic BENZ 38 socket in the right side of engine compartment LAUNCH X 431 Tool User s Manual connect red end to power black to ground yellow to Signal cable MAZDA 17 diagnostic connector MAZDA 17 semicircle socket is in the left OBD 16C diagnostic side of engine in the engine compartment MAZDA es connector Next to brake main cylinder CANBUS diagnos
46. ind button to pop up the Find People interface 2 See Fig 4 18 40 X 431 Tool User s Manual Activate Soft Keyboard and input the name you want to search Click OK button and then you will see that the name you search is highlighted in the list box Fig 4 18 The basic functions of To Do include add new To Do view To Do delete To Do and set To Do Te Do fF Oe Opri lag we Hu i wt fl Fig 4 19 In the pop up PIM list select To Do item to open the To Do interface The To Do list of corresponding items will be displayed in the list box on the midst of LAUNCH the Memo interface 3 Click Options button to open the To Do Display interface See Fig 4 19 4 Click New button to open the To Do New interface Add New To Do j k j Cael j berati j fic oe RS Fig 4 20 In the To Do interface click New button to open the To Do New interface See Fig 4 20 Activate Soft Keyboard and fill in the subject and contents Click Detail button to open the To Do Detail interface See Fig 4 21 In the To Do Detail interface click the button to the right of Group to pop up the type list Click the button to the right of Expired and select the data in the pop up list Click the number to the right of Priority to set the priority of the To Do lf the To Do has been finished please click the box to the right of Finished
47. kers during engine starting Answer It is caused by the electromagnetic interference No problem with X 431 Tool Question Why is operation interrupted during diagnosis Answer It may be caused by electromagnetic interference or incorrect connection of connector Question Why is there no response from vehicle ECU at communication Answer Make sure that the voltage of vehicle battery ignition timer and idle speed are in standard range the throttle is in the closed position and all electric devices such as A C headlight stereos etc are turned off Refer to the section Conditions for Test Question Some systems can not be diagnosed Why 54 X 431 Tool User s Manual Answer The diagnostic socket for the system on some early vehicle may be separated Refer to the vehicle instruction manual Question No trouble code is found Why Answer It may be caused by the shared circuit Find the nearest trouble code and circuit for analysis Question Why are there too many trouble codes Answer It may be caused by poor contact or poor grounding Make sure that the vehicle model year is selected correctly and the vehicle is equipped with the system LAUNCH X 431 Tool User s Manual About ECU In the last two decades we have seen more and more extensive application of IT and electronic technologies in modern vehicles Many vehicle control systems typically EFI Electronic Fuel Injection ABS Ant
48. ly the screen will enter the download center interface See fig 3 57 Registered user can download the software that installed in the download center Before download users had better set up a new folder named X 431Tool update on the computer desktop and put the download file to the X 431Tool update according the next 28 X 431 Tool User s Manual Steps Note 1 Software update of free charge will be provided by LAUNCH for one year The free period is from the registration date on the website not the purchase date That is during one year after the registration users can free download the corresponding software 2 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 don t install in the download center In the update center users can buy the software that is beyond the free download period After purchase successfully the purchased software will be automatically added in the download center list Update Tool Download Before update users must download the update tools On the drop down menu users select the language then click download The screen will display the interface as shown in fig 3 58 i E E TS rei PE n E am s ag a ee E we i ia E i Pea Fig 3 58 LAUNCH Click save to put into the X 431 Tool updat
49. m as soon as possible Disclaimer To take full advantage of the unit you should be familiar with the engine All information illustrations and specifications contained in this manual are based on the latest information available at the time of publication The right is reserved to make change at any time without notice LAUNCH Table of Contents Safety PreCautiOns cccccsseeessssesseeeeeeeeee 1 Precautions on Operation 1 Safety Precautions ccccccseeeseseeeeeeeeeee 1 Precautions on Operating Vehicle ECU 1 MOOV UON sainia 2 FS UNS A tae tes tae Soe Saeed EAE 2 Outline Of X 431 TOO cee eeeeeeeeeeseeeeeeeeees 2 Structure and explanations 3 Ports ANd INICALOIS ccccceeseeseeeeseeseeseeseeeees 4 Hardware Configuration 4 Printer Operation ccccecsecsecsscseeseeseeseseeeeees 6 Mounting Papel cccessesseseseseesseseeeeerees 6 SPECHICATONS cise ede 7 First Use of X 431 TOO cc cesecscseeeteeseeeees 8 lal Uo EEA S A A aeons 8 TAKO N 8 Aae E AE ae ener E E A E ie eran ere 8 Control of App ssssssssrserserisrsererrrrsererrrerseens 10 FE Disan 10 Vehicle DIAGNOSIS itnninnnnennanncesakaearn 11 Conditions for TOSl cite eee 11 Select Diagnostic Connector ccceeeee 11 Diagnostic Socket Location c ccceceeeeees 11 COMME CUOM edini 11 DSP OM s sesiciat deci teatetedlSe sti desedustciesh tailed seat 11 Entering Function Menu ccccceeee 12 Contr
50. me zone of the system Gait Sec dare Set time J Ser Time zone Fig 4 34 Set Time 1 In the Control Panel interface click Clock icon to open the Date Time interface as shown in Fig 4 34 2 In the Date Time interface click Set Time button to open the Set Time interface as shown in Fig 4 35 3 Click the characters to the right of Day to set AM and PM the selected one will be highlighted 4 Activate Soft Keyboard and then you can 47 X 431 Tool User s Manual set Hours Minutes and Seconds directly 5 Click OK button to save and close the Set Time interface Pre ds Rinutes 5 sao Ls L E1 ds Fig 4 35 Set Date 2 In the Date Time interface you can set date directly 3 Click 4 icon to the left of the month or year to select the previous month or year 4 Click the La icon to the right of the month or year to select the next month or year See Fig 4 34 5 Click the date in the current month It will be highlighted when it is selected 6 Click Set Time button to save the setting 7 Click Quit button to exit Set Time Zone 1 In the Date Time interface click Set Time zone button to open the Set Zone interface as shown in Fig 4 36 2 Click Scrolling Bar to turn to next page of the list and select your zone It will be highlighted when it is selected 3 Click OK button to save and close the Set Zone interface
51. nactive if the current page is the last page HELP to display the help information Click the icon of Volkswagen on the vehicle make menu The screen will be displayed as shown in Fig 3 3 Select the version that you need or the latest version The latest version of the software is compatible with all the issued versions Note The test operation for different systems is similar Here we take Engine electronics as an example for demonstration purpose LAUNCH Ynikmapn VLOG ALI Apai Pee Yki T A raTa Prerrrrerererererrrrererererereret tear Fig 3 3 Button descriptions BACK to return to the previous interface HELP to display the help information Click Volkswagen V10 01 All Systems The display will be as shown in Fig 3 4 PMR AME V UD AN Seen Toe milua can tapas fhe elec ynol aye 22 BE wp to 200 inclodk Ei CASTE ey aed chet Peers Le arcsin Le the soe se ths OCl guna scan TMs Fig 3 4 Click OK button X 431Tool begins reset and check the DIAGInfinite and download the diagnostic program from the CF card After download the screen will be displayed as shown in Fig 3 5 X 431 Tool User s Manual Pesecting MAGiinit aCe Checking baii S Dumi poogies E Fig 3 5 Button descriptions OK to go on the test Control module Click OK button the screen will display the information as shown in Fig 3 6 Note The test operation for different sys
52. ns will be displayed in white on the black background Button descriptions PAGE DOWN to display the next page OK to display the dynamic data of selected datastream HOME to return to the homepage of vehicle diagnosis BACK to return to the previous interface X 431 Tool User s Manual SELECT MEASURING WALUE Saah indicator Fuel system slate s E T jg ml La be PO Gog knt iempecsiure short iuel bear 7 Long tael learn 1 cnpine Speen PRISE LA A Fig 3 21 Click OK the screen will display the dynamic data of selected datastream See fig 3 22 DATA STREAM Ei amekaa iain pei lwp Vater gi UR SYGl Se die Gri CALG kag Looknt reies rae Shor el lesn 1 Long fael leam Fi HOME Bok FAINT Fig 3 22 Button descriptions GRAPH 1 to display the waveform of one datastream option HOME to return to the homepage of vehicle diagnosis BACK to return to the previous interface PRINT to print the test result LAUNCH Erase Fault Memory Click Erase Fault Memory on the function menu X 431Tool starts to erase the fault code See fig 3 23 ERASE FAULT CODE The oder of erase fowl code is already sei Fasi tha Laat code or ngt Fig 3 23 Button descriptions YES to execute read and erase the fault code NO to return the function menu If all fault codes are erased or there is no fault code in the tested system the scre
53. o open the Edit Group interface See Fig 4 22 3 In the Edit Group interface activate Soft Keyboard 4 In the text box at the bottom of the interface input the name of the type 5 Click New button to add a new type and it will be displayed in the list box of the Edit Group interface 6 Select one type in the list box and then click Delete button to delete it 7 Click Close button to close the Edit Group interface The interface It represents the To Do Detail Interface Refer to step 1 3 in the section Add New To Do and Edit To Do and the To Do Display interface Refer to step 1 in the section The Set of Display Fig 4 22 The Set of Display 42 r i Cy X 431 Tool User s Manual BANNE Frintity E Edapley Finished Been a Timple Expiry Event ie Display Equiey Dare x Dimple Priority j J j Cael ES j4 4 Fig 4 23 In the To Do interface click Options button to open the To Do Display interface In the To Do Display interface click the button to the right of Group to pop up type list and select the type in the pop up list Click the button to the right of Expired and select the data in the pop up list Click the number or All to the right of Priority to set the priority of the displayed To Do Click the box to the right of each function When X is displayed in the box the function is selected See Fig 4 23
54. ol MOCUIC cccecsseseeseseseeseteeeeees 13 Resetting Maintain oil Indicator 006 23 Setting Service Code cece 24 OBDII Diagnostic function cee 24 Freeze Frame Dat c cccccseeseeseseeees 24 Readiness TeSt cceccsssssssssssssesseeees 20 Diagnostic Socket Description 20 Update of diagnostic software cccee 26 User Registration ccccsesesssseseeeeees 26 Software Update 27 Flow Chart of X 431 Tool Update for New User X 431 Tool User s Manual A AE EE EPEE PE EE PET 32 POA TUNCIO Nadit 32 System information cceceeeseecseesseseteeeeeeees 34 User Information icnn 34 POOUIN e teat t eaten tahitian ede 34 TOOTE tatters tinestdestictdet eta tices 34 FL DRO erent ett aetney Aten andere t anata ORT 37 MeMO asinina 37 RAIES S anaa saneneaniere 39 Delete Address eee ere nee eee eee 40 ch Blo eerer tere creche tr etre ener ert 40 AC CLIC uraa 42 OVSCMM tt tet a ad ae ae oe 45 COMIC ae iiaa 45 System Information cccccccsceeee cece 48 SUE DOWN siscissssvnasenatightteladettantededtitsiars 49 PAQU Aerie ene te ta eee 50 About Update via Internet o an 50 About Hardware cccccccsscscsssssecseeseeees 51 About System Setting cc cesses 52 About Operation esesseeeieseeeererrerrrrern 53 Questions Related to Vehicle cccceee 54 PAD OUI CUa a ee a eee 55 Composition and Working Principle of Computer Control System
55. open the picture 36 LAUNCH Browse the pictures in current directory 1 In the Picture interface click icon on the top to browse the previous picture 2 In the Picture interface click icon on the top to browse the next picture Note This operation is needed only when more than one picture has been stored Zoom in and zoom out In the Picture interface click or icon on the top then you can zoom in or zoom out the current picture at will PIM 1 Click Start button 2 Select PIM in the pop up menu 3 Select the function needed in the pop up list See Fig 4 11 37 X 431 Tool User s Manual LAUNCH Xeaasio0 control panel tum off Memo The basic functions of Memo include add new memo view memo delete memo browse by types etc 1 In the pop up PIM list select Memo to open the Memo interface See Fig 4 12 2 After you click the W button on top right corner the type list will pop up Then you can select the type of the memo 3 You can also select the Edit Group in the type list to open the Edit Group interface 4 The memo list of corresponding type will be displayed in the list box on the midst of the Memo interface 5 Click one memo in the memo list to open the Memo Edit interface 6 Click New button to open the New Memo interface LAUNCH Hem Cy oe BLL _ J tat i q Ea l H Fig 4 12 Add New Memo 1 In the Memo int
56. ory Fead measuring value Read freeze kame data Readiness Tests Fig 3 43 Click the option that you want to view and then click OK Click BACK to return the function menu See fig 3 44 LAUNCH SELECT MEASURING VALUE Calcu te load ict Wel earn Hi Short fue earn Be Fuel pressure Engine speed Ignibon mini Air fiw Seon dary air request HOHE Paci HELP Fig 3 44 Click OK to view the freeze frame data See fig 3 45 MEASURING WALLE Short Tel leam Bz Fuel pressure Readiness Test On the select diag function menu choose readiness tests to enter the test The screen will display the select vehicle Click the tested option then click ok to check the test result Click back to return the function menu See fig 3 46 and fig 3 47 25 X 431 Tool User s Manual SELECT MEASUMING VALUE Fault memory guantity Fault mitat r Fesdiness Eats Evaluation mistire Evaluation fuel sy ster WValuanon inteorated Component LONtNUGUS Test mishre Cnitmugus et twel Sy ster HOWE BACE HELF Fig 3 46 MEASURING VALUE Fault indicator OFT Readiness tests CUE SASSA eYallation misire Tipae Evaluation fuel system eared DA heboa Haie apina wp ported Cae Lece Of Conhiucus Hsk mesire T HOME Fig 3 47 Diagnostic Socket Description X 431Infinte provides diagnostic description Choose diagnostic description to display the socket location of the selected
57. our e mail is valid click Next step then the screen will display the interface shown as fig 3 56 Click OK then the registration is completed at Fig 3 56 Note Only the registered user can download and update the software Software Update 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 shown in Fig 3 51 27 LAUNCH Note when choose the user type the common users may choose the customer If the dealer and the branch want to log to the website please use the user information given by LAUNCH head office After log successfully the screen will display the interface as shown in fig 3 5 default download center interface Fig 3 57 Download Center Refer to software download Purchase Center amp Update center Refer to software purchase and update Member Information to display and renew the current member information Product Registration Register newly purchased product Order Information to check or cancel the unpaid order Renew Password After entering the right old password then can renew the password Awarded collection for claim 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 Software Download After log successful
58. ousing Note the printer paper is thermal paper which should avoid being heated If being heated the paper will lose the efficiency or the printing result will lose Specifications Operating system LINUX CPU 32 bit MPU CF card 128M Main unit I O standard serial Main unit power source DC12V Main unit power about 9W Printer high speed thermal mini printer screen 240 320 color LCD with touch screen Configuration Main unit DIAGInfinite miniprinter Com Distance the maximal distance between DIAGInfinite and main unit is 25 meters by bluetooth DIAGInfinite power source DC 12V DIAGInfinite power about 3W Operation temperature 20 C 70 C Battery capacitance 2000mAH LAUNCH First Use of X 431Tool Start up Connect the power of main unit and click ia If you want to calibrate the touch screen please click hotkey If you don t want to please wait to enter the start up menu as fig 2 7 shows Press hotkey more than 2 seconds the main unit will be turned off LAUNCH sain Fig 2 7 Taskbar The taskbar is at bottom of the X 431Tool operation interface which has several icons and the functions as follow see fig 2 8 X 431 Tool User s Manual LAUNCH Xa 31 00 amp sherry Intur Mg Pro Personal infor Toi Contral Panel Tum Gti ae i r as T af Uf keyboard Fig 2 8 start JD The use of the icon is similar in the windows After clicking i
59. pdate tool icon to run the program The epe program will automatically check the Fig 3 62 downloaded update files including the diagnostic program and the display program See Fig 3 63 When the CF card reader is installed successfully a Removable disk icon will be added in the catalogue of My computer Precaution on Operation of the CF Card Reader 1 Do not unplug the CF card reader from the USB port while its LED is blinking otherwise data would be damaged Select the module for update in the interface shown in Fig 3 63 and click Update icon to update When the update is complete gt Pull out the CF card prompts will appear to notify successful l update The required space and available space are listed at the lower left of the interface If the available space is not enough to perform the Procedure for pulling out the CF card operation click to show the installed On the desktop of Windows open the window programs Select the programs that can be The CF card must not be pulled out when the CF card reader is being used Otherwise the data in the CF card will be lost 30 LAUNCH X 431 Tool User s Manual deleted and click Delete button to make some more space available Software Purchase lf the users can t find the software that he needed at this time users must buy the software in the Fig 3 66 purchase center Log on the www X431 com then enter the interface as
60. pts user to input the code control unit Click the number button to input the group No Coe cen unt 0 Button descriptions OK to make sure the inputted code CANCEL to return the function menu BACK SPACE to delete the wrong inputted number Click OK to enter the interface as shown in fig 3 35 Laan Code Control Unit Finehed Fig 3 35 X 431 Tool User s Manual Click OK to enter the interface about the ECU as shown in fig 3 36 Diagnosi spri 0 an pi ra me VEW IS HIA Ge BIND 528 ATSC Emu Cade Conie Unit DOS genic Sion code DOE or SAINT Fig 3 36 Note The information is from the vehicle ECU If you have any question during test don t hesitate to contact LAUNCH to get answer as soon as possible Button descriptions OK to return the function menu PRINT to print the displayed information lf the control unit can t be coded the screen will be displayed as shown in Fig 3 37 Can t 4p Cede cineal wait Fig 3 37 LAUNCH X 431 Tool User s Manual Click OK to return to the function menu Login Procedure Click Login Procedure on the function menu The screen will be displayed as shown in Fig 3 38 X 431Tool prompts user to input the password Click the number to input the password Flere iA porn dots Fig 3 39 Click OK button to return to the function menu Resetting Maintain oil Indicator On the diagnosis menu see fig 3
61. rranted 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 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 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 Order Information Replaceable and optional parts can be ordered directly from your LAUNCH authorized tool X 431 Tool User s Manual supplier Your order should include the following information 1 Quantity 2 Part number 3 Item description Customer Service If you have any questions on the operation of the unit please contact us Tel 86 755 8452843 1 84528822 E mail X431 cnlaunch com If your unit requires repair service return it to the manufacturer with a copy of the sales receipt
62. ry In the pop up menu of Tools select Dictionary to open the Dictionary interface See Fig 4 9 Activate Soft Keyboard and input words Select the word from the list on the left Click the word and then you can find the LAUNCH CT O edt Taye Lier Wase 1 Herer Cancieetre Fa lotto Feet 2 Teh 3 4 siart JE mh ES 14 42 Fig 4 7 World Time Haa Time Warid Tima rana Lia Ea be LS 4 m p a tl Beijing Rew fork stari L n B l Fig 4 8 1 In the pop up menu of Tools select world time to open the world time interface 2 Click the button under the Home Time icon to select region 3 Click the button under the World Time icon to select region 4 Then you can see the time directly See Fig 4 8 translation in the right list Fig 4 9 Picture View 1 Click Start button 2 Select Tools in the pop up menu 3 In the pop up Tools list select Preview to open the Picture interface 4 In the Picture interface click icon in the toolbar on the top See Fig 4 10 5 Select directory from the left list interface 6 Select file from the right list interface 7 Click Parent Dir button and you can see the directory of current directory s parent 8 You can see the directory of the picture at the right side of Path 9 You can see the file name of the picture at the right side of File 10 Click OK button to
63. se make sure that the DIAGInfinite is well connected with X 431 Tool main unit Question Why does X 431Tool 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 CF card and re start the machine to see if there is normal display If the display is normal when the CF card is taken out LAUNCH the CF card should be replaced If the screen is still blank please contact the local service engineer Question Why does the system prompt that no CF card is found when the machine is turned on Answer The possible cause is that no CF card is in the machine or CF card is inserted improperly or damaged If it is damaged it is necessary to make a new one Question What should do if can t get into the diagnostic interface during test Answer The possible cause is that no CF card is in the machine or CF card is inserted improperly or damaged If it is damaged it is necessary to make a new one Question Program is not run or screen is confused after glints What should do Answer Unplug the 9 pin connector on the main unit and re plug it Question What can do if the system halts or fails during self detection Answer Please make sure that cables and CF card are well connected Question Why can t the d
64. sed in the vehicle One is directly driven with linkage e g the magnetic switch of starter motor The other is for controlling pressure and flow by transferring the movement to relevant valves For example in engine intake air control electronically controlled automatic transmission Suspension control etc Motor DC motor is the most popular actuator used in automobile It can be divided into two types according to its use One is rotated by power e g windshield wiper seat adjuster etc The other is used in servo mechanism In this situation external force makes the rotor rotate around the stator e g the servo motor for LAUNCH damper Besides the two types listed above there are other types such as relay electronic switch etc Self diagnosis of Electronic Control System All modern cars are controlled by an Electronic Control Unit ECU The main purpose of the electronic control system is to provide maximum engine performance with the least amount of air pollution and the best fuel efficiency possible However the complexity of the system may increase the difficulty for its troubleshooting The function of self diagnosis is for solving such problem with electronic control system Working Principle of Self diagnosis The composition of self diagnosis system is similar to electronic control system The basic component is electronic control unit The main purpose of self diagnosis system is to diagnose the
65. ser button See Fig 4 31 and Fig 4 32 Click OK button after selecting an item in the list Then the selected file will be automatically copied to the edit box The submenu should be linked to a present group instead of the Start item or another submenu Delete a group or a submenu Select a group or a submenu and then click Delete button When a group is deleted all of its submenus will be deleted Modify a group or a submenu Click Modify button and then select the group or submenu from the list Now you can modify the item name file path and so on followed by clicking OK button Save the information After editing the application click OK button The modified information will be saved in the corresponding file If you want to quit the modification click Cancel button 46 X 431 Tool User s Manual Note Quit all other applications before saving the modification Pea fir Fig 4 32 Power Management In the Power Manager interface you can see the condition of memory and set the standby time See Fig 4 33 1 2 In the Control Panel interface click Power icon to open the Power Manager interface Click the button to the right of Standby time and select the time or None in the pop up list Click OK button to save the setting and close the Power Manager interface LAUNCH Pott MEE Tie jatter 30 Jisai Clock User can set the time and the ti
66. shown in fig 3 64 The operation for update center is the same as for the purchase center Fig 3 64 Click purchase center to choose the serial number and then tick in front of the serial number Fig 3 65 Click pay to buy the software The bought software will be automatically added in the user s download center Click clear to clear all the software in the shopping cart Click purchase other to buy other software See fig 3 66 31 LAUNCH X 431 Tool User s Manual Flow Chart of X 431Tool Update for New User Log on www X431 com Select language For unregistered user For member Click Register Enter username and PW Read terms of service click I accept Complete the registration Click Login Select DAIGInfinite Serial No Download software and update tool Connect CF card writer and CF card install CF card writer driver Install and run X 43 Infinite update tool Select module and perform update After update press ESC LAUNCH X 431 Tool User s Manual PDA function In the X 431Tool operation interface click start to pop up the menu that included the main PDA LAUNCH functions executed by equipped stylus See fig 4 1 The items and their respective functions in the menu are shown in the following table Xas TOO System Infor Lia Pro Personal infor Toal Contre Paral Turn Of PDA Function Summary Set the user name compan
67. t with the stylus the start menu is popped up which includes the main functions of X 431 Tool ay Active Task Icon Clicking the button can display the currently open interface The interfaces can also be switched E Soft Keyboard Icon To display or hide soft keyboard Click it to activate the soft keyboard Then you have three ways to choose 1 Input by hand writing 2 Input by English 3 Input by Chinese Current time setting current time please refer to this chapter clock Input Note To input data please activate soft Keyboard with stylus and use the stylus in the subsequent operations LAUNCH Using the Soft Keyboard Activate and Hide Input by Soft Keyboard You have two ways to choose One is to input by Soft Keyboard just like normal keyboard The other is to input by writing board Click En button it will switch from normal keyboard to writing board HW And click HW button it will switch back The Function Key There are four function keys on the upper right of the Soft Keyboard SBC DBC case punctuations Keyboard Writing board and the Soft Keyboard position can be determined by clicking one of the four keys for each of the functions from left to right Refer to Fig 2 9 The four function keys at the upper middle position are for moving the cursor leftward rightward upward or downward In keyboard mode the key at the bottom left of the keyboard is Shift key Click it to
68. tems is similar Here we take Engine electronics for Volkswagen as an example to describe Resettirss maniam g indiai Seting samice code CERP aa ehi Button descriptions HOME to return to the homepage of vehicle diagnosis BACK to return to the previous interface LAUNCH HELP to display the help information Click Control module The screen displays the menu of test systems as shown in Fig 3 7 Eine leirom 2 Egia alitone 4 Leathe elsect Drake electomice AL ee EELE Lo er Sen eb ee PARE Daw HOME RACE HELP Fig 3 7 There are several pages for the menu Click PAGE DOWN to see the next page Note The test operation for different systems is similar Here we take Engine electronics as an example for demonstration Button descriptions PAGE DOWN to display the next page HOME to return to the homepage of vehicle diagnosis BACK to return to the previous interface HELP to display the help information Click Engine electronics If the communication is successful the screen will display the information on vehicle ECU as shown in Fig 3 8 X 431 Tool User s Manual Diag Sen Engine electronics Bou mene De eee sory coche Tal ok FAINT Fig 3 8 Note The information is from the vehicle ECU If you have any question during test don t hesitate to contact LAUNCH to get answer as soon as possible Button descriptions
69. than one page of screen may have to turn several pages to find a specific icon of vehicle make How can it be simplified Answer X 431Tool can test many vehicle makes and the vehicle makes are still increasing We have considered the convenience when designing the software The system will count the clicks and move the icon with more clicks forward About System Setting Question The screen is too white and characters can not be seen What is the reason and what should do Answer It may be caused by improper contrast Please refer to the section Contrast to adjust the contrast LAUNCH 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 Calibrate Touch Screen 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 Calibrate Touch Screen in User s Manual Question The time displayed in the lower right corner of the screen is incorrect How to adjust it Answer It is because the time was set incorrectly Please refer to the section Clock in the User s Manual to set correct time About Operation Question System halts when reading data stream What is the reason Answer It ma
70. the information about system software and hardware Then click OK button to close it See Fig 4 41 Fl Fa TIAL Baer tee Sees Gi METRIS Shut Down Click Shut Down in the Start menu when you attempt to turn off the machine 49 LAUNCH FAQ X 431Tool 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 users 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 X 431 Tool About Update via Internet Question Removable Disk icon does not appear in the catalogue of My computer after the CF card reader is connected to the USB port of computer Why Answer Possible cause there may not be driver for CF card reader in the computer The default driver is with the operating systems like Windows Me 2000 XP Mac OS 9 x Mac OS X and Linux 2 4 X However there is no such default driver with Windows 98 Solution Check if there is the driver for CF card reader in the computer If the computer uses Windows 98 operating system it is necessary to install the driver into computer by using the CD ROM provided with CF card reader When the CF card reader driver is installed successfully a Removable disk icon will appear in the catalogue of My computer
71. the screen After reading and fully understand it click l accept button to enter the interface shown in Fig 3 52 Fill in Product Information Fill in the serial No of DlAGInfinite registration No and dealer code in the interface shown in Fig 3 53 Fig 3 53 The serial No is marked on the back of DIAGInfinite 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 information is filled click Next step to enter the next interface shown in Fig 3 55 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 If the filled serial No or registration No is invalid the screen will display the message as shown in Fig 3 54 Click OK button to return to the previous interface to re fill the correct numbers X 431 Tool User s Manual Pa Finan interiit Kephiret IN Jeren Info Yu hess hpk a reng ea umieri Fig 3 54 Fill User Information Fig 3 55 After information is filled in the interface shown in Fig 3 55 The red textbox must be filled After registration we will send the confidential information to your registered e mail so please make sure that y
72. tic Under instrument panel connector Sockets for PASSAT 1993 in the central control board 1994 96 next to steering AUDI 4 diagnostic column 96 09 00 next to parking brake under connector gasket VOLKSWAGEN 2 SMART OBDL 16 Sockets for POLO 10 99 under ashtray diagnostic connector 1994 in the glove box of driver Sockets for OBD 16C diagnostic 94 97 97 in the side glove box of driver connector Sockets for 08 97 09 99 in the combination instrument panel Beetle socket under side instrument panel AUDI 4 diagnostic Sockets for A2 A4 S42000 connector A6 Allroad1997 under instrument panel by SMART OBD 16 driver s side diagnostic connector Sockets for A3 S31991 2001 in the central OBDO _ 16C diagnostic board connector Sockets for 80 coupe Cabriolet 1991 2001 AUDI 16 K L Converter in the fuse relay box under engine hood diagnostic connector Sockets for A4 S41994 2000 behind central CANBUS diagnostic board AUDI connector Sockets for 100 A6 1997 in the relay box under engine hood Note for connecting sockets for A8 81991 2001 under front AUDI4PIN socket connect ashtray black end of diagnostic Sockets for 1T1991 01 under driver connector to black socket 7 instrument panel white to white Coupe S2 socket is under driver instrument VOLKSWAGEN socket is panel alive so it doesn t need AUDI 16 K L Converter socket
73. tors on the instrument panel 2 Swing of multimeter index 3 Blinking of red green LED on ECU 4 Shown by a special device The more intuitionistic way for showing the fault is by external scan tool The diagnostic system of modern cars is equipped with diagnostic socket or DLC data link connector Fault code in vehicle ECU can be read out by connecting a scan tool to the diagnostic socket In early time each vehicle system had its own type of diagnostic socket Since 1996 SAE has specified a uniform system called OBDII on board diagnostic system Each vehicle that is made in accordance with the system may have the same diagnostic socket same definition of pin and same description of fault code The control units of every system are connected to bus so only one diagnostic socket is needed for readout of fault code OBD provides the possibility of reading data stream and displaying working status of switches and actuators Moreover external scan tool can send commands to activate the actuators X 431Tool is such an external scan tool for vehicle diagnosis It not only has the diagnostic function like reading fault code reading data stream actuation test displaying sensor waveform coding control unit etc but also has PDA function Basic Knowledge of ECU Composition of Vehicle ECU Vehicle ECU consists of ALU CPU power source and memory 1 ALU It converts the electronic signal from each 58 X 431 Tool User
74. ual and close the Select Date interface You may see the date you set on the button on the top right of the Schedule interface Set the cycle of the schedule 1 In the Schedule interface click New button so that the Cycle list pops up See Fig 4 26 In the Cycle list select Common if it is done on the selected date Select Daily if it is done every day Select Weekly if it is done on a fixed day every week Select Monthly if it is done on a fixed day every month Select Annual if it is done on a fixed day every year After selecting open the New Schedule interface LAUNCH hele cr oe Eeu IE i DES eH weet Livi ras I j i L200 72100 kE iii i Ee TOC Bonchly Aral Ew j Start gg F 14 43 Fig 4 26 Set the content of the schedule From E lt E To i En Sub ject Remind E Cel Fig 4 27 In the Schedule New interface activate Soft Keyboard and fill the subject and contents In the textbox on the top of the interface fill the time of the schedule If the selected cycle is Daily Weekly Monthly or Annual you can input the repeat time in the textbox on the bottom of the interface See Fig 4 27 Remind function can be selected and the reminding time can be set in the interface The Remind function will not be available when the machine is turned 44 5 X 431 Tool User s Manual off
75. uit A D converter SMC output circuit etc See Fig 6 02 Fig 6 02 1 Sensor 4 AID converter 7 SMC 2 Analog signal 5 output circuit 8 Digital signal 3 Input circuit 6 Actuator 9 ROM RAM 1 Input circuit digital signal from sensor will enter the CPU directly However the analogue signal will be treated in the A D converter before getting into CPU The input circuit filters out the noise converts sine wave into rectangular wave and then 56 2 X 431 Tool User s Manual into electrical parameter A D converter it converts the analogue signal from the sensor into digital signal Then the digital signal can get into SMC SMC it consists of I O interface CPU RAM ROM etc The received digital signal is computed here with the pre programmed parameters from ROM The computed result is transmitted through O interface to the output circuit and then to the corresponding actuators The data in ROM is written by manufacturer and will not be lost when power is off However the data in RAM will be lost when power is off Output circuit it is to amplify the signal from SMC The weak current from SMC is not able to activate the actuator So it has to be amplified Actuator Actuator is to convert the electrical signal into force or displacement The popular actuators are listed below 1 Solenoid valve This actuator is to convert electrical signal into linear movement Two types of solenoid valves are u
76. under external power steering wheel SMART OBD 16 diagnostic connector GM GM VAZ 12 diagnostic Under instrument panel by driver s side next Ai connector to door CANBUS diagnostic connector FORD 6 1 diagnostic In the right of engine in engine FORD ee compartment CANBUS diagnostic ad Under instrument panel connector 62 LAUNCH 431 Tool User s Manual _ NCH CHRYSLER 6 diagnostic connector SMART OBD 16 diagnostic connector CANBUS diagnostic CHRYSLER connector Note 6PIN socket is only used for engine system 16PIN socket is used for all systems SMART OBD 16 diagnostic connector ee CANBUS diagnostic connector LANDROVER ed Oe a A Under instrument panel SUBARU Scien 3 pagnoslig Under steering wheel X 431 Tool User s Manual CHRYSLER 6 socket is in the engine compartment SMART OBD 16 socket is under instrument panel in the compartment Under instrument panel VOLVO GREAT WALL CHERY KINGLONG _ OBDO 16C SMART OBD 16 diagnostic connector diagnostic connector _ VOLVO CAN CONNECTOR diagnostic connector CANBUS diagnostic connector FIAT 3 diagnostic connector SMART OBD 16 diagnostic connector FIAT 3 diagnostic connector SMART OBD 16 diagnostic connector CANBUS diagnostic connector _ NISSAN 14 16 diagnostic connector for KINGLONG equipped with NISSA
77. urs with the lithium battery Repair records can be set up by connecting the computer with the corresponding X431PCLINK to store the diagnosis data LAUNCH X 431 Tool User s Manual Outline of X 431Tool X 431 Tool consists of five parts X 431 Tool main unit DIAGInfinite assembly box small toolbox and big toolbox The main unit communicates with DIAGInfinite by bluetooth The main unit can be separately used as a PDA which has the functions of personal data mini English dictionary etc DIAGInfinite is mainly used to diagnose vehicle Fig 2 1 shows the assembly box in which there are X 431 Tool main unit DIAGInfinite small toolbox and big toolbox Fig 2 1 outline of X 431 Tool assembly box LAUNCH X 431 Tool User s Manual Structure and explanations Fig 2 2 X 431 TOOL structure X 431TOOLmain unit Consists of main unit and main unit housing DIAGInfinite Consists of DIAGInfinite and DIAGInfinite housing 3 Small Toolbox There are two small toolboxes One is used to place DIAGInfinite and common connectors The other is used to place User s Manual and accessories Big Toolbox Used to place other connectors Assembly box Used to store main unit DlAGInfinite small toolbox and big toolbox LAUNCH X 431 Tool User s Manual Ports and Indicators See Fig 2 3 for X 431 Tool connection ports and indicators Fig 2 3 ports and indicators Power switch button of main unit Power input of main unit
78. vehicle You can click the glittery pane to get the details for description step by step See fig 3 48 socket socket LAUNCH X 431 Tool User s Manual DIAGNOSTIC SOCKET DESCRIPTION ee ee ee Tat wees OPA 2 2 Gagne socket gered in the cotter of face ports al 16AN GAD Hamiri sock he mpine cambis GPM dagr socio located in Ge lii iran d he eee eed or order Fiera or in the ir i of We Peon ar a ie lee of he ped BACK DE HELF Fig 3 48 Fig 3 50 If there is still the glittery pane you can continue Update of diag nostic software to click it till the diagnostic socket location is displayed See fig 3 49 User Registration Log on www X431 com Select the favorite language on the pull down menu at the lower right of the interface to enter the homepage See Fig 3 51 TGPIA dapoi socket located in fie leh own a he Heep wie of ander he igor of in ihe rant of ie inanes orn ele of Fie ped Fig 3 51 Read Terms of Service Fig 3 49 Click Register in the interface shown in Fig 3 92 to open the window as shown in Fig 3 52 At last the particular diagnostic socket location i will displayed See fig 3 50 Fig 3 52 Note When the member purchases one or more products after registration he should log 26 LAUNCH onto the member area and then click product control to register the newly purchased product Refer to the section Member login The terms of service is shown in
79. y and telephone number etc User Information System information by user Information About the main unit serial number hardware version and software information To record all kinds of important information and ideas and make corresponding classification To store the detailed information of relative friends Address colleagues and business partners which can be easily edited retrieved and searched PIM Personal onain It is convenient for user to record the business to do or To Do being done to delete or add task records to arrange the Management ie priority of tasks and to browse the classified tasks To arrange the appointments journeys and meetings in a whole day to check time schedule on business daily weekly monthly and or annually and to describe the place time and other details for each schedule record Tools Calculator Both simple and scientific calculators are available Schedule 32 LAUNCH X 431 Tool User s Manual The time of many big cities in the world are offered It is a World Time helpful assistant for your travel An English Chinese dictionary embodies a large number Mini Dictionary of words which cover all fields to overcome your inconvenience in language To enjoy all kinds of pictures which can be zoomed in out SEP To link the application with the Start menu or delete it Application from the Start menu To preset the use of power to save on electricity as
80. y be caused by a slackened connector Please turn off the machine firmly connect the connector and switch on the machine again Question Why is the screen inactive when the cross cursor is clicked during screen calibration Answer You may have touched the screen when the system is detecting noise before the cross cursor appears Please turn off the machine and then turn on Calibrate the screen after the cross cursor appears Question Why is the machine automatically powered off during standby Answer It is because the machine has been set for energy saving Automatic shutdown will take place if the machine is not operated for a 53 X 431 Tool User s Manual specified period of time Refer to the section Power management in User s Manual to set the Power off time to None or select a longer standby time Question Why can t the tested result be printed out Answer There may be no paper in the printer or the printer is not well connected Please mount a roll of new paper See the section Printer Operation in the User s Manual Question Why is there no character in the printed paper Answer The paper is mounted reversely Please take out the paper and mount it again See the section Printer Operation in the User s Manual Question Why cant input data after activating Soft Keyboard Answer The position where the cursor lies can t be edited Or you have not activated the O
81. you click the touch screen at this step the noise value would be affected After detecting the noise the system will come to the calibration step Then the cross cursor will be displayed 1 After switching on the machine follow the tips to press the hot key The calibration interface will be opened 2 Click the cross cursor on the screen LAUNCH accurately and wait until it changes Then one step of calibration is finished 3 After calibration is finished for all corners the system will automatically return to the Start up main interface Note Do not click the touch screen before the cross cursor appears In the calibration step if you fail to click the cross cursor accurately the cross cursor will be displayed on the screen again and again until the calibration is finished completely X 431 Tool User s Manual User Register The user s right can be well protected after registration 1 2 3 4 5 Click Start button Select Information in the pop up menu Select User in the pop up list to open the User Information interface See Fig 4 39 In the User Information interface activate Soft Keyboard and input the user information See Fig 4 40 Click OK button to save the information and close the User Information interface LAUNCH persoal arii HEEN piimal ariki Fig 4 40 About In Information list click About the screen will display

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