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1. Wo fault code Figure 2 20 Click OK button to return to the function menu Diagnose Final Control Click Diag Final Ctrl in the function menu The screen will display the information as shown in Figure 2 21 X 431 User s Manual Speedometer Final controller can be performed combine Figure 2 21 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 Figure 2 22 Finished Figure 2 22 Click OK button to return to the function menu Basic Setting Basic setting is necessary for some systems after service is done LAUNCH Click Basic Setting in the function menu The display will be as shown in Figure 2 23 Channels 0 255 Figure 2 23 X 431 prompts user to input the channel No Click the number button to input the group No If wrong number is inputted click BACK SPACE to delete the wrong number and input the correct one After the correct channel No is inputted click OK button to perform the basic setting for the system Read Measuring Value Click Read Measuring Value in the function menu The screen will be displayed as shown in Figure 2 24 Channels 0 255 Figure 2 24 X 431 User s Manual X 431 prompts user to input the channel No of data stream Click the number button
2. Question Why can t the diagnostic program be downloaded to SMARTBOX Answer Please make sure that the SMARTBOX is well connected with X431 main unit Question Why does X431 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
3. icon will appear in the catalogue of My computer 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 49 X 431 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 32M CF card has not been fully copied Please delete the incomplete file and copy again 2 The CF card reader writer is not compatible with the CF card Monofunctional CF card reader writer is better in such situat
4. Answer There is a 3 icon at the lower right corner of the screen Click it to turn on the back light so as to see the displayed information Clearly Click the icon again for turning off the backlight Question Why cant activating Soft Keyboard input data after Answer The position where the cursor lies can t be edited Or you have not activated the 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 the saved data disappear Why does LAUNCH Answer There are two possible causes 1 Your CF card is damaged Itis 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 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 ca
5. 0 30 1 20 4 0 99 Block 11 1 820 920rpm 2 2 00 5 00ms 3 0 km h 4 0 5 1 50 I h X 431 User s Manual Vollast full load Schub rich Anreicherung O D idle speed idle speed idle speed rated M T idle intake air regulation idle regulator intake air volume 1 engine speed 2 idle intake air regulation idle regulator 3 Aregulator 4 ignition angle 1 A regulator control 2 A sensor voltage higher than 0 45V denote rich less than 0 45V denote lean 3 canister solenoid valve 1 duty ratio 4 Atrim with EVAP 1 injection time per cycle 2 idle A adaption value add 3 part load A adaption multiply 4 EVAP mode TE active canister solenoid active TE not active canister solenoid inactive adaption canister solenoid inactive A regulator active 1 engine speed idle rom 2 Aregulator 3 Asensor voltage 4 idleAadaption value add 1 canister solenoid valve 1 duty ratio 2 Amodification when the EVAP Is active 3 canister charge rate 4 EVAP purge rate 1 engine speed idle rom 2 engine load 3 vehicle speed 4 fuel consumption LAUNCH Block 14 1 820 920rom 2 1 00 2 50ms 3 0 15 0 KW 4 0 15 0 KW Block 15 1 820 920rpm 2 1 00 2 50ms 3 0 15 0 KW 4 0 15 0 KW Block 16 0 300 1 400V 0 300 1 400V 0 300 1 400V 0 300 1 400V Block 18 1 820 920rom 2 1 00 2 50ms 3 4 30 0 25 0 Block 19 1 820 920rpm 2
6. 30 KW 3 4 3 2 10KW Block 26 1 0 6800 mm 2 0 10 00ms 3 4 3 219KW Block 95 1 820 920rom 2 1 00 2 50ms 3 122 4 80 105 C Block 98 1 0 5 4 9V 2 0 5 4 9V 3 4 Block 99 1 820 920rom 2 80 105 C 3 10 10 4 PWN SP W N FF l J X 431 User s Manual finished normal the second and seventh digit not use minimal stop position of throttle regulator urgency operation stop position of throttle regulator maximal stop position of throttle regulator engine speed engine load ignition angle Cylinder 1 4 ignition retard angle engine working condition regulation error of Hall sensor working condition intake air manifold switch over camshaft regulation second digit by count down 1 long intake air path last digit denote camshaft regulation 1 advance enable the camshaft regulation engine speed engine load working condition intake air manifold switch over camshaft regulation enable the camshaft regulation engine speed idle rom engine load ignition angle coolant temperature throttle potentiometer voltage G69 throttle regulator sensor voltage G127 engine mode idle part load regulation mode adapting adaption finished adaption error engine speed coolant temperature 3 A regulation 4 control mode off on 64 LAUNCH X 431 User s Manual Passat B5 AT System Data Strea
7. A Lincoln L Mercedes Benz D Mercury M Nissan N Oldsmobile 3 Pontiac 2 or 5 Plymouth P Saturn 8 Toyota T Volvo V Third vehicle identification number digit indicates the vehicle type or manufacturing division Fourth through eighth vehicle identification number digit reveals the vehicle features such as body style engine type model Series etc The ninth vehicle identification number digit is a VIN accuracy check digit verifying the previous VIN numbers This is how the check digit works 59 X 431 User s Manual e STEP 1 Assign to each number in the VIN its actual mathematical value and assign to each letter the value specified for it in the following chart ASSIGNED VALUES A 1 G 7 P 7 X 7 B 2 H 8 R 9 Y 8 C 3 J 1 S 2 Z 9 D 4 K 2 T 3 E 5 M 3 U 4 F N 4 V 5 STEP 2 Multiply the assigned value for each character in the VIN by the position weight factor specified in the following chart VIN POSITION AND WEIGHT FACTOR Ist 8 10th 9 2nd 7 11th 8 3rd 6 12th 7 4th 5 13th 6 5Sth 4 14th 5 6th 3 15th 4 7Tth 2 16th 3 8th 10 17th 2 9th check digit STEP 3 Add the products from steps 1 and 2 and divide the total by 11 e STEP 4 The numerical remainder is the check digit which would appear in the 9th position in the VIN If the remainder is 10 then the letter X is used for the check digit Tenth vehicle identification number digit tells the mode
8. Click the number button to input the group No If wrong number is inputted click BACK SPACE to delete the wrong number and input the correct one After the correct channel No is inputted click OK button to perform the function of read individual measuring value For example when 1 is inputted for the channel No the screen will display the live value of the channel See Figure 2 29 Individual measuring value 255 Figure 2 29 Adaptation Click Adaptation in the function menu The screen will be displayed as shown in Figure LAUNCH 2 30 Channels 0 255 Figure 2 30 X 431 prompts user to input the channel No of data stream Click the number button to input the group No If wrong number is inputted click BACK SPACE to delete the wrong number and input the correct one After the correct channel No is inputted click OK button X 431 prompts user to input the service station code See Figure 2 31 nerve station code 0 655351 Figure 2 31 After the code is inputted click OK button X 431 prompts user to input the matched data See Figure 2 32 X 431 User s Manual Hatched data 0 65535 Figure 2 32 After the correct channel No is inputted click OK button to perform the function of adaptation When the adaptation is successful the screen will be displayed as shown in Figure 2 33 Adaptation succeed Figure 2 33 Code Control Unit
9. FIR to open the Chess Board 2 Click black or white chessman to begin the game The one who select the black chessman will start first See Figure 4 16 Rules for the game You must try to make your five chessmen line up and prevent your adversary from achieving this goal in the process The one whose 5 chessmen are lined up first is winner You can choose the black or white chessman at the bottom of the Chess Board before starting playing LAUNCH Click the chess to start PIM 1 2 3 Figure 4 16 Tum ott X 431 User s Manual first All black chessmen between two white chessmen will turn to white ones and all white chessmen between two black chessmen will turn to black ones So the player should be able to reverse adversary s chessmen in each step When the chessboard is full of chessmen the number of the chessmen for each color should be counted The one who conserve more chessmen on the chessboard Is winner Click Start button Select PIM in the pop up menu Select the function needed in the pop up list See Figure 4 18 Address To do Schedule Toa rr p Figure 4 18 The basic functions of Memo include add new memo view memo delete memo browse by Figure 4 17 Memo Reversi 1 In the pop up menu of Game select 1 Revers to open the Chess Board See Figure 4 17 2 Click New Game button to start 2 3 Click Undo button for pull back 4 Clic
10. PAGE UP PAGE DOM HOME BACK PRINT HELP Figure 2 09 X 431 User s Manual 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 to describe 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 Figure 2 10 Diaqnose system Engine electronics Em memory 262 Herve Station code 19411 Figure 2 10 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 go on the test PRINT to print the displayed information LAUNCH Figure 2 11 shows an example of printed report BLAA Renor La_f_ i 000077 qs NN O84 Read Feu Memory Nagnose syiiem Engine electronics ou memory 202 Serve Shandon code 19411 Figure 2 11 Click OK button The screen will display the function menu as shown in Figure 2 12 Pod cco woe Tia 1 imul nm nir y Lessee EmJ LE ceric Tira Tinali ri Dasic rectly Pad Les valur Em d die ial me asa iri
11. machine is turned off Do not turn on off the X 431 main unit too frequently CF card reader writer may be used when doing updating The CF card must not be pulled out when the CF card reader writer is being used Otherwise the data in the CF card will be lost Procedure for pulling LAUNCH out the CF card is as follows On the desktop of Windows open the window of My computer Click the right mouse button on Removable disk to pop up a menu Select Ejector 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 In case X 431 CF card is damaged and the program in the card can not be used please use the following procedure to remake the CF card lt Log onto the website www X 431 com Enter your username and password to log in Select the SMARTBOX No and then download the X 431 UPDATE TOOLS DISPLAY PROGRAM SYSTEM DATA and necessary diagnostic program into your computer lt Install the X 431 UPDATE TOOLS into computer lt Format the X 431 CF card lt Run the X 431 UPDATE TOOLS and write the display program system data and diagnostic programs onto CF card Consumption Material Printing paper Refer to the section Printer Operation for paper installation X 431 User s Manual Outline of X 431 Figure 1 01 Figure 1 01 shows the main parts of X 4
12. 1 00 2 50ms J 4 12 2 Block 20 1 820 920rpm Block 21 1 820 920rpm 2 1 00 2 50ms 3 80 105 C 4 Block 23 l 2 12 0 95 0 A W N e gt A W N e X 431 User s Manual engine speed idle rom engine load ignition delay of cylinder 1 due to the knock control ignition delay of cylinder 2 due to the knock control engine speed engine load ignition delay of cylinder 3 due to the knock control ignition delay of cylinder 4 due to the knock control cylinder 1 Knock sensor signal voltage cylinder 2 knock sensor signal voltage cylinder 3 knock sensor signal voltage cylinder 4 knock sensor signal voltage engine speed idle rom engine load without altitude regulation engine load throttle angle altitude regulation factor engine speed idle rom engine load working condition x1x without ignition delay x0x with ignition delay ignition angle engine speed idle rom Shift signal P N 2 3 4 R D AC mode compressor mode on off engine speed idle rom engine load coolant temperature Amodification mode off on adption requirement the first digit 1 adaption normally finished 0 adaption required the third to sixth digit 1 adaption not finished and abnormal 0 adaption 63 LAUNCH 3 67 0 83 0 4 18 0 54 0 Block 24 1 0 6800 mm 2 0 10 00ms 3 20 40 lt 0 4 0 72 00KW Block 25 l 2 30
13. 2 coolant temperature 3 B l 3 B l 2 3 81 111 C 3 A control current adaption value cylinder 1 3 0 75 1 25 4 control current adaption value cylinder 4 6 not use lock 08 1 N71 steps 10 60 2 coolant temperature 81 111 C 3 A control current adaption value cylinder 1 3 0 75 1 25 4 control current adaption value cylinder 4 6 not use 4 2 4 2 4 lock 09 81 111 C 1 coolant temperature 1 or 0 2 idle switch mode 0 0n 1 off not use 3 computed ignition angle 4 680 820rpm 4 engine speed Block 10 1 coolant temperature l 81 111 C 2 idle switch mode 0 0n 1 off loro 3 A control current adaption value cylinder 1 3 0 75 1 25 4 canister filter current adaption value not use Block 99 1 engine current practical rom l 2 engine current practical load 3 coolant temperature 4 regulation off on System basic setting function A regulation off Read data stream function A regulation on 72 LAUNCH X 431 User s Manual Appendix Ill Channel Function Table of Volkswagen Vehicle Audi 200 Channel Function 00 idlestablevalve o Audi A6 po Function Reset the service cycle after repair O 2 03 Fuelconsumption display adaption _ 04 Languageselection y O 09 Mileagedisplay S 18 Stop heating system adaption _ _ _ _ 30 Fuel meter sensor characteristic curve adaption _ __ 35 rpmrestriction adaption S a p48 OE Mi
14. 36 Application It displays the application information contained in the Start menu including the group name the submenu etc Start Nenu Edit Ea Start 4 Information User About PIM Hema Address To do Schedule Tools Calculator Worldtime Minidict Picvien bane FIR File Fath Ter Pe E Cancel Figure 4 37 5 1 In the Control Panel interface click App icon to open the Application Manager interface 2 Then you can see the corresponding information in the list box of the interface See Figure 4 37 44 X 431 User s Manual Insert a new group Click Insert button and input the item name Then choose Start as its parent and click OK button Start Menu Edit Tor Start Information User About PIM Hema Address To do Schedule Tools Calculator Wor ldtinme Minidict Ficcien Figure 4 38 Inserta 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 Browser button See Figure 4 38 and Figure 4 39 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 b
15. AUR AME Hist DOM E R A 1 In the list box of the Address Book interface click the name that you want to view 2 Then the detailed information about the 2 Then the information about the person will person will be shown in the opened i Addres T aitintara ce ee in the opened Address Edit 3 a Fe Lennala A aOiees 3 Click Delete button to delete the it interface ae person s information and close the Edit Address Address Edit interface 1 In the list box of the Address Book interface click the name that you want to Search Address edit 1 In the Address Book interface click Find 2 Then the information about the person button to pop up the Find People interface can be edited in the opened Address Edit See Figure 4 25 interface See Figure 4 24 2 Activate Soft Keyboard and input the 3 After editing click OK button to save the name you want to search edited contents and close the Address 3 Click OK button and then you will see Edit interface 38 interface click the name that you want to delete that the name you search Is highlighted in the list box LAUNCH Address Book l Find Pecp OOH Figure 4 25 To Do The basic functions of To Do include add new To Do view To Do delete To Do and set To Do etc Figure 4 26 1 Inthe pop up PIM list select To Do item to open the To Do interface 2 The To Do list of corresponding items will be displayed in the list box
16. Click Code Control Unit in the function menu The screen will be displayed as shown in Figure 2 34 LAUNCH nerve Station code O0 65535 Figure 2 34 X 431 prompts user to input the service station code Click the number button to input the service station code If wrong number is inputted click BACK SPACE to delete the wrong number and input the correct one After the service station code is inputted click OK button X 431 prompts user to input the control unit code See Figure 2 35 Code control unit o s2000 BACK SPACE Click the number button to input the control unit code If wrong number is inputted click BACK SPACE to delete the wrong number and input the correct one After the correct control unit is inputted click OK button to perform the function of code X 431 User s Manual control unit If the control unit can be coded the screen will be displayed as shown in Figure 2 36 Can do Code control unit Figure 2 36 If the control unit can t be coded the screen will be displayed as shown in Figure 2 37 Can t do Code control unit Figure 2 37 End Output Click End Output in the function menu X 431 will return to the menu of tested systems Login Procedure Note Perform this function first before performing the functions like code control LAUNCH unit adaptation etc Click Login Procedure in the function menu The screen will be d
17. 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 Inthe list box of the To Do interface click the 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 Y button to the right of Group 40 X 431 User s Manual in the interface amp so that the type list pops up 2 Inthe type list select Edit Group to open the Edit Group interface See Figure 4 29 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
18. When installation is finished the screen will display the information as shown in Figure 3 20 Click Finish to exit ee ee Fl Sade m ke ET Pie a he pirn Figure 3 20 When the CF card reader writer is installed successfully a Removable disk icon will be added in the catalogue of My computer Note Do not unplug the CF card reader writer from the USB port while its LED is blinking otherwise data would be damaged X 431 User s Manual Data on CF card cannot be restored from the Recycle Bin once deleted 2 Pull out the CF card The CF card must not be pulled out when the CF card reader writer is being used Otherwise the data in the CF card will be lost Procedure for pulling out the CF card On the desktop of Windows open the window 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 Open the X 431 update folder and double click the iconL Then install the update tool according to the prompts on the screen When the installation is complete the X 431 Ly update tool icon ra will appear on the desktop Make sure that the X 431 CF card reader writer and the CF card are well connected to the compu
19. and the SMARTBOX program perform the whole process of diagnosis X 431 main program is to display the diagnostic result and interact with user Ports and Indicators See Figure 1 06 for X 431 connection ports and indicators LAUNCH X 431 User s Manual Figure 1 06 Printer SEL indicator printer readiness 19 Indicator to show SMARTBOX receiving data from ECU Printer power indicator Printer SEL button printer readiness SMARTBOX data port Printer FL button paper feed Printer Operation Parallel communication port connecting printer to main unit 6 Power input for printer can MINIPRINTER uses heat sensitive paper with ee uae a size of 30x 57mm internal hole P 7mm P ower output of main unit Refer to Figure 1 07a to Figure 1 07d for mounting the paper Hotkey of main unit are 1 Open the paper lid on the back of the printer See Figure 1 07a 14 Serial communication port SMARTBOX data to the main unit data from the main unit data to ECU Mounting Paper Figure 1 07a LAUNCH X 431 User s Manual 2 Take out the spindle and mount the paper 5 Push down the pressing r
20. ele pme O E cm kai Psh I Peak oft a 12 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 Figure 2 13 X 431 User s Manual Login procedure PAGE UP PAGE DOWN HOME BACK PRINT HELP Figure 2 13 Read ECU Memory Click Read ECU Memory in the function menu The screen will display the information on ECU of the tested system See Figure 2 14 Ecu memory 262 Seme station code 19411 Figure 2 14 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 return to the function menu Read Fault Memory Click Read Fault Memory in the function LAUNCH X 431 User s Manual menu X 431 starts to test the fault code The screen will display the test result when the test is finished Figure 2 15 is an example of a test 0076S Roheat exhanger temp Signal at sender G154 positive 00771 Fuel gauge sender G PAGE UP PAGE DOWN HOME BACK PRINT HELP Figure 2 15 Button descriptions HOME to return to the homepage of vehicle diagnosis BACK to return to the previous interface PRINT to print th
21. hardware 1 A computer that can access the Internet 2 ACF card reader writer and a CF card that need to be updated See Figure 3 01 for hardware connection Figure 3 01 1 CF card reader writer 2 USB cable 3 USB Port 4 Computer 5 CF card Insert the CF card into the CF card reader writer Connect one end of the USB cable to the port of the CF card reader writer and the other end to the USB port of the computer X 431 User s Manual User Registration Log on www X431 com See Figure 3 02 Figure 3 02 Select the favorite language in the pull down menu at the lower right of the interface to enter the homepage See Figure 3 03 Figure 3 03 Read Terms of Service Click Registe in the interface shown in Figure 3 03 to open the window as shown in Figure 3 04 ee ee a aT dr ir ESP U pip sad Et AARETE of STA Sard Doar Queer ibh is Ta n Figure 3 04 Note When the member purchases one or more products after registration he should log onto the member area and then click LAUNCH product control to register the newly purchased product Refer to the section Member login The terms of service is shown in the screen After reading and fully understand it click l accept button to enter the interface shown in Figure 3 05 Fill in Necessary Information Fill in the seral No of SMARTBOX registration No and dealer code in the interface shown in Figure 3 05
22. of battery and insert another end of the cable into the power connector of X 431 main cable From power adapter connect the 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 431 main cable X 431 User s Manual Operation Entering Function Menu After connection press POWER key to start X 431 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 Figure 2 03 LAUNCH QUIT decree HELP Figure 2 03 Button descriptions QUIT to exit the diagnostic program BOX INFO to display hardware and software version of SMARTBOX HELP to display help information START to start the diagnosis Click START button the screen will display the vehicle make menu as shown in Figure 2 04 LAUNCH Button descriptions BACK to return to the previous interface PAGE UP to display the previous page it is inactive if the current page is the first page PAGE DOWN to display the next page it is inactive 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 Figure 2 05 VYolksmagen V10 01 411l Systems Figure 2 05 Butto
23. on the midst of the Memo interface 3 Click Options button to open the To Do X 431 User s Manual Display interface See Figure 4 26 4 Click New button to open the To Do New interface Add New To Do To Do Nev iT oT Figure 4 27 1 Inthe To Do interface click New button to open the To Do New interface See Figure 4 27 2 Activate Soft Keyboard and fill in the Subject and contents 3 Click Detail button to open the To Do Detail interface See Figure 4 28 4 In the To Do Detail interface click the button to the right of Group to pop up the type list 5 Click the button to the right of Expired and select the data in the pop up list 6 Click the number to the right of Priority to set the priority of the To Do 7 Ifthe To Do has been finished please click the box to the right of Finished When the function is selected X will be marked in the box 8 Click OK button to save and close the To Do Detail interface 9 In the To Do Detail interface click OK button to save and close the To Do New interface LAUNCH To Do Detei OT Group Expired No Date Priority m2 3 4 5_ Finished J Figure 4 28 View To Do 1 In the list box of the To Do interface click the to do 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
24. only provides a new way of automotive diagnosis for vehicle service station but also becomes a favorable choice for DIYers Open Open operating system That is X 431 Is an open automobile diagnostic platform with multifunction and multi language based on LINUX operating system X 431 provides open interface to support the third party s development X 431 has all functions of PDA Handwriting input personal database vast vocabulary English Chinese dictionary The Super capacity database can realize multi purpose management of users information Flexible X 431 has a fire new modern design Each function can be combined with others at will or used independently The main unit and the diagnostic box can be used independently The main unit itself is equal to a PDA which has the functions of personal database etc The SMARTBOX can be connected to PC to perform automobile diagnosis when tt is demounted from the main unit The diagnostic software used by PC can even be downloaded on the LAUNCH website That is the SMARTBOX can be sold independently This is the important feature of X 431 A standard RS232 interface is used to connect the SMARTBOX and its upper unit So more BOXes can be designed to increase functions such as SENSORBOX REMOTEBOX etc This feature increases the value of X 431 MINIPRINTER is detachable User can use it to print out data As described above the independent
25. 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 indicators 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 o
26. 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 Figure 6 01 54 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 pressure 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 02 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 In steering control system steering vehicle acceleration vehicle speed sensors etc In susp
27. the function introduction page for the software The information on the page includes new function tested vehicle hardware requirement etc See Figure 3 16 Basin ae or a rl Figure 3 16 A new page will appear when user clicks Download button The pop up window will show the description for updating the downloaded software See Figure 3 17 24 If it is the first time to use the CF card reader writer you may have to install its driver Use CD ROM or floppy disk which are bought separately or delivered with the CF card reader writer to install the driver CF card reader writer can use the default 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 Insertthe CD ROM into CD ROM drive 3 Connect CF card to the USB port of the PC with the attached USB cable 4 Find and Double click on setup exe file in the catalogue of CD ROM The system will make preparation for the installation See Figure 3 18 5 When the preparation is complete the screen will prompt to continue the operation See Figure 3 19 Click Next to Start installation LAUNCH Preparing fo Install ee SE odes ce Vd peso dr Jk ki ee Pe ee ee SE ir ge Pe ee CMF gad lager Er ee ee ee er ey lin E eskil ranls bee 4 r hial mabi w nieh iml fie Cum rmn u wiii him Figure 3 19 6
28. to input the group No If wrong number is inputted click BACK SPACE to delete the wrong number and input the correct one After the correct channel No is inputted click OK button to perform the function of read measuring value For example when 1 is inputted for the channel No the screen will display the live value of data stream of the channel See Figure 2 25 2 00 ws 640 0 win A C High 149 75 116 PAGE UP PAGE DOWN GRAPHIC 1 HOME BACK PRINT HELP Figure 2 25 For seeing the waveform of an item click the item and then click GRAPHIC 1 Figure 2 26 shows an example of the waveform ae PAGE UP PAGE DOWN GRAPHIC 2 HOME BACK PRINT PECE Figure 2 26 LAUNCH Click GRAPHIC 2 to display the waveforms of 2 data stream items See Figure 2 27 It is convenient for the user to make live comparison between two correlative data stream items PAGE DOWN DIGITAL HOME BACK PRINT HELP Figure 2 27 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 Read Individual Measuring Value Click Read Individual Measuring Value in the function menu The screen will be displayed as shown in Figure 2 28 X 431 User s Manual asi Charmels 0 255 X 431 prompts user to input the channel No of data stream
29. via communication Block Diagram of X 431 Hardware Computer or POA which runs LINLLA operating system oeral COT SMARTBOA Cormmunication cable Vehicle ECU Figure 1 04 X 431 User s Manual As shown in Figure 1 04 The upper unit is a computer with Linux operating system which can run diagnostic program The lower unit is SMARTBOX which matches the voltage baudrate and other signal logic The upper unit and lower unit are connected via serial port The SMARTBOX is connected to vehicle ECU through cable and connectors Working Procedure of X 431 AF independent sxesutabla C AAST mAN pregranp 7 fille Far seleering vehicle makal medaltpaar and displaying result fe GU Ami exacta An independent executable file for 1 Bewnloading lower unit program Z Setting communication parkietecs of ismar urit 2 Qommunicating with bower unit Diagnests pregam 1 interaction with wer via inbertaca Serial ammuniestan Conmectte ECU cenmmunizaten channel L ShWATSO Program a and serd ECU data Figure 1 05 Figure 1 05 shows the working procedure of X 431 In the X 431 main program after user select vehicle make and diagnostic program X 431 main program downloads the SMARTBOX program for the vehicle to the SMARTBOX and makes the SMARTBOX run the program then creates the diagnostic procedure and calls out the Diagnostic program so that the Diagnostic program
30. 0 5 0 4 5 25 4 250VOT Block 02 1 820 900 rom 2 1 00 2 50ms 3 2 00 5 00ms 4 2 0 4 09 s Block 03 1 820 900rom 2 10 14 5V 3 80 105 C 4 90 C Block 04 IR E 2 1 0 1 709 s 3 1 70 1 709 s 4 WO O N DMD OT A W N FF coolant temperature engine load engine speed ECM voltage supply throttle angle idle regulator idle stable adaption value 02 excessive regulator mixture adaption value 10 mixture adaption value engine speed engine load injection duration per revolution throttle angle ignition angle engine speed engine load injection duration per revolution engine injection duration per cycle intake air volume engine speed idle speed ECM voltage supply coolant temperature intake air temperature throttle angle acceleration pedal depressed to the end75 95 lt 0 idle air mass adaption value N gear idle air mass adaption value drive gear 4 working condition Idling idle Teillast partload 61 Block 05 1 820 900rom 2 860rpm 3 10 0 10 0 4 2 0 4 09 s Block 06 1 0 2550 2 10 0 10 0 3 10 0 10 0 4 10 445 4 Block 07 1 10 0 10 0 2 0 1 100V 3 0 99 4 0 30 1 10 Block 08 1 2 00 5 00ms 2 10 0 10 0 3 8 0 8 0 4 Block 09 1 820 900rom 2 10 0 10 0 3 0 1 100V 4 10 0 10 0 Block 10 1 0 00 0 30 2 3 32 3
31. 10000 R 0010000 N 1010000 D 3 2 1 1H 1M 0010000 D 3 2 2H 2M 0110000 D 3 3H 3M 0000001 D 4H 4M 1100001 2 gear same as block 003 3 gear P R N D 3 2 1 4 vehicle speed 65 LAUNCH X 431 User s Manual 1 ATF temperature 2 shift output the first and second digit ignition timing regulation ON 1 OFF 0 the third digit shift lever lockup solenoid N110 ON 1 OFF 0 the fourth digit kickdown solenoid ON 1 OFF 0 the fifth digit CCS ON 1 OFF 0 the sixth digit AC ON 1 OFF 0 the seventh digit P N signal P N 1 R 0 D 3 2 1 1 0 3 gear Same as 003 4 engine speed 006 May be ignored l gear same as block 003 or depend on display area 2 2 lockup clutch slip 3 engine speed 4 acceleration pedal same as block 001 FL rom sensor wheel speed FR rom sensor wheel speed RL rom sensor wheel speed RR rom sensor wheel speed brake light switch 1 brake pedal depressed 0 released 1 pump generator voltage 1 with voltage abnormal 0 without voltage normal Solenoid relay 1 enabled 0 disabled not use engine speed with ASR engine torque with ASR 0 engine at thrust stage 20 30 engine idle 100 maximal engine torque 3 ASR button with ASR 1 button pressed 0 button not pressed not use Stop time EDS disconnected by too high braking temperature 0 EDS does not disconnect during 20 times igni
32. 11 am amp letzte lw bintm i Figure 4 02 In keyboard mode the key at the bottom left of the keyboard is Shift key Click it to 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 30 X 431 User s Manual key at the bottom right of the Soft Keyboard is Space key Figure 4 03 In writing board mode refer to Figure 4 03 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 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 Figure 4 04 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 LAUNCH User _Inforwati cr OT First Name TeliOi TeltHi Faxi Mobile E mail Comparr
33. 3 4 5 6 7 8 9 10 Block 01 1 80 820rom engine speed 2 29 59 intake manifold pressure 3 not use computed ignition angle 4 18 75steps N71 steps Block 02 l 0 85 throttle opening 2 not use intake air manifold pressure 3 81 111 C coolant temperature 4 environment temperature 4 intake air temperature Block 03 1 A control current adaption value cylinder 1 3 1 0 75 1 25 0 control adaption active AKF off 2 not use 1 engine temperature too low 3 0 75 1 25 4 idle rom too low 4 not use 5 Idle rom too high 6 A sensor inactive 7 A control system inactive 10 the rating adaption value not obtained 11 ignition angle retarded 12 ignition angle advanced 16 A control system inactive AKF active 2 A control current adaption value cylinder 4 6 3 A control cylinder 1 3 4 h control cylinder 4 6 Block 04 1 A control adaption mode l not use 2 canister filter control current adaption value 2 not use 3 A control cylinder 1 3 3 0 75 1 25 4 h control cylinder 4 6 4 0 75 1 25 1 680 820 rom 1 engine speed 71 LAUNCH X 431 User s Manual value 609 2 knock control not use 3 computed ignition angle 81 111 C 4 coolant temperature lock 06 2 3 4 B l 10 60 N71 position 2 18 75 idle stable control current adaption value 3 not use influence on idle stable control by other signal not use idle stable control Block 07 N71 position l 10 60
34. 31 They are X 431 main unit SMARTBOX and MINIPRINTER Each of the three parts has Independent function They may work separately or be connected together according to different requirement of configuration For easy operation the three parts are usually connected together and enclosed in a leather cover for preventing looseness or damage Additional parts such as main cable power cable power adapter CF card CF card reader writer diagnostic connectors and so on are equipped for vehicle diagnosis Function of the Three Main Parts X 431 Main Unit The X 431 main unit is like a PDA when it Is used independently It has all functions of a Standard PDA including personal information management control panel game etc SMARTBOX SMARTBOX is the main part for vehicle diagnosis It can be connected to PC for vehicle diagnosis if the X 431 main unit is not connected So the SMARTBOX can be sold independently and be used with PC that has LAUNCH X 431 User s Manual relevant software The software is available on our website at htto www X431 com This is an important feature of the product SMARTBOX is designed elaborately for future update The interface for connecting SMARTBOX and its upper unit is RS232 More BOXes can be developed to increase the function of the product such as SENSORBOX REMOTEBOX etc It makes the product more and more valuable MINIPRINTER It is connected with X 431 main unit via a
35. 4 41 2 In the Date Time interface click Set Time button to open the Set Time interface as shown in Figure 4 42 3 Click the characters to the right of Day to LAUNCH set AM and PM the selected one will be highlighted Activate Soft Keyboard and then you can set Hours Minutes and Seconds directly Click OK button to save and close the Set Time interface Day M Hours 02 14 51 16 Figure 4 42 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 Lal icon to the right of the month or year to select the next month or year See Figure 4 41 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 Inthe Date Time interface click Set Time zone button to open the Set Zone interface as shown in Figure 4 43 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 46 X 431 User s Manual set tine zon nor Time fone GMI 08 00 Beijing Chongqian Select Time Zone GNT 06 00 Colombo GNTI 07 00 Bangkok GNT 05 00 Beijing Chongglan GMT 10 00 Canberra Melboume Sydney GNT 11 00 Magadan Solom
36. 5 Central door lock system re Without anti theft alarm With anti theft alarm Safety device of central door lock SZV 19 4676 4686 LAUNCH X 431 User s Manual 4688 without SZV 4698 without SZV Locking of trunk lid when car is moving 4692 with SZV 4702 with SZV Automatic locking of car door when car is 4704 without SZV 4714 without SZV 6 Internal ultrasonic monitoring system 00 Padding bit insignificance r 0 Original state static 7 Combined instrument system we o O seere a selectable euiment oT te wearin oT seat waring system oe chering agente system s o e o pe o o o Terman a Free a sas C sadina Engine type TDL engine 2 3 LAUNCH X 431 User s Manual 8 Immobilizer 07602 9 Radio set and telephone 5 4 3 2 1 Position of decimal code displayed onscreen TT Type ofradioset S l l X with this part without this part Tire facustent 0 Banda Goseauo SS Nariberopassve speaker Naber postion o Wont passive speaker Bose audio system _ To ea 0 Standard 0 Standard a 10 Auxiliary heating system 1 Control unit J 162 Software version No is D47 or D48 Signification 00001 Power cut owing to undervoltage for adaptation when basic setting is reached 00002 Power cut owing to undervoltage when the inputted voltage for adaptation is reached Note Enter code 00001 only Code 00002 is entered according to customer s r
37. AUNCH Tool and GAMO wscaricsratsriicaasantioadiserddesnsesdvoeste 32 TOOS cenone N 32 Ca ME niini N 34 a r E E ET T 35 MEMO rainane 35 Delete Address scienee 38 Search Address siseses 38 TOD O a N 39 Sehe d lni i 41 E SIC AEE E 43 CONGOLP ANE heana 43 System Information 4 SUED OW aaar sedslanehauntenn 48 2 Ore eer eee rere creer E 49 About Update via Internet 49 About HardWare sesser 50 About System Setting 51 About Operation vi iarsdaveeatarssmensantreemensemans 52 Questions Related to Vehicle eee 53 A DOUCE G1 Merce een en nr ee Te 54 Composition and Working Principle of Computer Control System 54 SENS 0 i eateicasenty Ge asasnuchatiteahiehmnentateea teen 54 ECU a rey rr tr 55 ACUO aina a 59 Self diagnosis of Electronic Control System 56 Working Principle of Self diagnosis 56 R eadout of Fault Code in Automotive Self diagnosis SYSTEM 56 Basic Knowledge of ECU ereenn 57 Composition of Vehicle ECU 57 Precautions Related to ECU assen 57 Appendix 1 about VIN ssrin 59 Appendix Il Block and Parameter Definition of Volkswag n Vehicle ciririenninanneanaaa 6l Passat B5 Engine Data Stream Block Table 61 Passat B5 AT System Data Stream Block Table Passat B5 ABS Data Stream Block Table 66 ill X 431 User s Manual J etta Engine System Data Stream Block Table Golf Engine System Data Stream Block Table70 Audi 200 Engine System Data Stream Block TAD inaa A 71 Appendix Ill Channel
38. Figure 1 02 Standard parallel port for printing out the test To store diagnostic To connect CF card PORAN reader writer and computer CF card To read or write data on reader writer the CF card Dozens of connectors are Diagnostic equipped for various connector vehicles Here shows a typical one Main unit I O standard serial parallel port Main unit power source DC12V result Thermal printer paper size 30x57mm item Name Descriptions bore diameter P7mm is used X431 main 10 display operation 1 ani buttons test result help Specifications mformaton koo Operating system LINUX optional RAM 16M CF card 64M D Main unit power about 9W Printer high speed thermal mini printer Printer port standard parallel port Screen 240 320 LCD touch screen with back light us To connect the AC Configuration Main unit Smartbox and 7 Power cord 100 240V 50 60Hz outlet miniprinter and the power adapter Cigarette To get power from the lighter cable vehicle cigarette lighter Forme tapers sone cence eg 2 ees ecg For vehicle diagnosis some accessories e g w two clips vehicle battery connectors and cables should be used to Sa pet connect the X 431 main parts to the vehicle To connect the diagnostic diagnostic socket 11 Main cable connector and SMARTBOX X 431 configuration is as shown in Figure 1 02 SMARTBOX PAN vehicle LAUNCH X 431 User s Manual Layout of Thre
39. Function Table of Volkswagen Vehicle iis isiserthctinat tsbiinnacemcncusieas 73 AUO 200 icitats test text estan E eet tonw iia aaeaees 13 AUGA O enean A E 13 PSS SIU Dy D arna E T 73 Appendix IV Control Unit Code of Popular Volkswagen Vehicles seesseesessessessesrseeeesen 14 AUGA O inanan 74 PASS Al e e E E E A 78 EE Perera renee terre reer ere tern entre ener 19 LAUNCH X 431 User s Manual Integrative Introduction X 431 is a newly developed automobile diagnostic computer 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 Convenient to Update The function of software update via Internet makes it easy for customer to get the latest diagnostic program and keep pace with the development of automotive technology Multilanguage display makes operation convenient in different countries and areas Advanced X 431 is the most advanced automobile diagnostic unit in the world at present It is compactly designed and with large LCD touch screen Demountable printer makes the Operation easy The product is a combination of the automobile industry and the communication technology which starts the new development trend in the automobile diagnosis field This product not
40. LAUNCH Trademark Information LAUNCH is a registered trademark of LAUNCH TECH CO LTD short for LAUNCH 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 Xinyang Building Bagua 4th Road Shenzhen Guangdong Province P R C to request written permission to use Materials on this manual for purposes or for all other questions relating to this manual Copyright Information Copyright 2000 by LAUNCH TECH CO LTD All rights reserved No part of this publication may be reproduced stored in a retrieval system or transmitt
41. LaLa POSEE i a a d Figure 3 05 The serial No of SMARTBOX is marked on the back of SMARTBOX 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 Figure 3 06 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 HH at Figure 3 06 lf the filled serial No or registration No Is X 431 User s Manual invalid the screen will display the message as shown in Figure 3 07 Click OK button to return to the previous interface to re fill the correct numbers Microsoft internet Explorer x AN Sveren Info Yan hie nye il vari serial anli Figure 3 07 After information are filled in the interface shown in Figure 3 06 click Next step to enter the next interface See Figure 3 08 Figure 3 08 Fill in the username and password Then click OK button to enter the interface shown in Figure 3 09 Figure 3 09 Up to now the registration is completed Click Login to perform further operation or click Close to exit Note Only the registere
42. OF THE BUYER S BUSINESS LAUNCH electronic product is warranted against defects in materials and workmanship for one year 12 months from date of delivery to the user This warranty does not cover any part that has been abused altered used for a purpose other than for which it was intended or used in a manner inconsistent with instructions regarding use 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 Supplier Your order should include the following X 431 User s Manual information 1 Quantity 2 Partnumber 3 Item description Customer Service If you have any questions on the operation of the unit please contact us Tel 86 755 82269474 Fax 86 755 82264570 E mail overseasales cnlaunch com If your unit requi
43. age 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 MOA CUON enana aan 1 FEAU aurii in n unauicracatatiauetoaeds 1 Convenient to Update 1 PON GING Cs Saratrctstatalracatansts nie teetene armammmanuenaneate 1 OPa teeter rtercrneen ene errer ere 1 METIE ninina 1 FHC IID le aiaia A 1 Precaution ON Operation vce 1 Mantenan E caceria a 2 SOA O a a 2 Take Care of the SCre n sscsseesseseeees 2 Maintenance Of CF Card iccccssssseeeseeeerees 2 Consumption Material 3 OUUNE OXA Tenien 3 Function of the Three Main Pantser 3 X 431 Main Unit vsiaiteesiastebrttantiaslanamataets 3 SMAR TBO X nornin teen decencounts 3 MINIP RINTE Rsunitensnciniesmioinnim 4 Specifications s sssssssssesrsresreresrrrnresrrresrrrerirrerens 4 Hardware Configuration seseris 4 Layout of Three Main Parts cesssseerersen 5 Working Principle Of X 43 Lern 5 Block Diagram of X 431 Hardware 6 Working Procedure Of X 431 vse 6 Portsand IMAICAUONS iicn curenese vee nesta 6 Printer Operation 7 MOUNTING PAPEL sess 7 Printing Test Resulte 8 Explanation of BUMLONS rererere 8 VENICE DIGGNOSIS inince 9 Button Descriptions sesser 9 Conditions for TeSt 9 Select Diagnostic CONNE CHO sess 9 Diagnostic Socket Loc
44. al memo in the opened Memo Edit interface See Figure 4 20 After editing click OK button to save the edited contents and close the Memo Edit interface Nene Edit OR 3 ge HR 14 44 Figure 4 20 Delete Memo 1 Inthe 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 V 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 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 Figure 4 21 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 LAUNCH The interface a It represents the Memo Interface the New Memo interface and the Memo Edit interface Memo Edit crop O Dw ge WO lA Figure 4 21 Browse By Types Click the V button on the top right of the Memo interface so that the type list pops up Select the type in the list Then you can see the memo belonging to the type in the list box Note Only the memo belonging t
45. al function Vehicle model 0 front wheel drive without 0 5 gear manual ASR front wheel drive transmission without ESP eS L grade B e g Passat aa member countries E drive without ESP ie 04 EC member countries J J ll Engine Il without secondary air system Il WME II ie 01VTiptronic eS 78 LAUNCH X 431 User s Manual 2 Airbag system alpen dex Coe There is air bag at driver side 00065 There are air bags for driver front passenger B 00066 There are air bags for driver front passenger USA 00067 There are air bags for driver front passenger side air bag 00065 There are air bags for driver front passenger side air bag USA B 00066 3 A C 4 Comfort system Equipment Code Centrally controlled lock 2 Electric window Centrally controlled lock Centrally controlled lock Electric window Centrally controlled lock 4 Electric window and memory Centrally controlled lock 2 Electric window Centrally controlled lock Centrally controlled lock Etec window Centrally controlled lock 4 Electric window and memory 5 ABS system 00064 2 8L 6Cylinder 5V engine and manual transmission 012 00067 2 8L 6Cylinder 5V engine and automatic transmission 01V Jetta 1 Engine system 04000 2 MK20 I ABS system 03604 79 LAUNCH Warranty THIS WARRANTY IS EXPRESSLY LIMITED TO PERSONS WHO PURCHASE LAUNCH PRODUCTS FOR PURPOSES OF RESALE OR USE IN THE ORDINARY COURSE
46. ation 9 Pin Definitions sssssssrsrrrsrrrrrrrrrrrrrrrrnrerrrnn 9 CONNECHON s sanistotsmseintberbetininnneavanmennmaies 10 operato Mre a 10 li X 431 User s Manual Entering Function M Nu errer 10 Read ECU Memory 13 Read Fault Memory seerrere 13 Erase Fault MEMO 14 Diagnose Final Controlere 15 Basie SEUN ceia A 15 Read Measuring Value 16 Read Individual Measuring Value 17 ROAD QUO ienen anaa 17 Code Control UNE esessncanaissara 18 ENO OUDUC sne 19 Login Procedure 19 Update of Diagnostic Software sssr 21 Hardware Requirement serrrrrrrr 21 User Registration 21 Read Terms Of Servie ascese 21 Fill in Necessary Information 22 Member LOQ N s ssssssisrsrsrnrerrsrsrnrnrnrrrrrrnrerrrrsrns 22 MEMDE AO dnn A leads 23 Account Administration 23 Prod ct COMMON decansss sctecntsandcautmseihtosaean 23 User s Information Maintenance ss 23 Order MMO MATION vesereiniisisniwitibintathionndaenetes 23 Eiclolo Semmens treet ernment toe 23 Software Download oc 23 Software UC UC irasteacavesnsercsssnedadtamne eines 25 Flow Chart of X 431 Update for New User 27 Main UA erninniainni aa 28 TOG CUO ariaa 28 Mtende ninenin 28 LINO UE inenerin na tanareeteselenuneamiatbiass 30 Using the Soft Keyboard sereen 30 Input DY Keyboard eerren 30 Input by Writing Board 30 CONVO LOLADD orena taaatiatancrteantiameiian 31 CHECK BOX cansan 31 SCONO Dal darnaacinanstiaiteadnamanumouele 31 Common BURON sinaia 31 RETE E AAE E E 31 L
47. cket Please select the Audi 4 diagnostic connector for 4PIN diagnostic socket or Smart OBDII diagnostic connector for 16PIN diagnostic socket Diagnostic Socket Location The diagnostic socket of Volkswagen vehicle is located in the cab under the instrument at the driver side Pin Definitions 4PIN Diagnostic Socket The 4PIN diagnostic socket is as shown in Figure 2 01 Black Figure 2 01 PIN definition of 4P IN diagnostic socket Definition 3 Grounding SS 16PIN Diagnostic Socket The 16PIN diagnostic socket is as shown in Figure 2 02 Figure 2 02 LAUNCH PIN definition of 16P IN diagnostic socket OPN Definition 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 SMARTBOX 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 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 431 main cable From battery clamp the two clips of battery cable on the positive and negative poles
48. d be in the range of X 431 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 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 ForECU 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
49. d user can download and update the software Member Login The user becomes the registered member after registration Member can log in the website by filling LAUNCH username and password in the interface shown in Figure 3 03 Click if you forget your password and fill in necessary information in the pop up dialogue box shown in Figure 3 10 Figure 3 10 Note The E mail account is very important as our webmaster will send the username and password to the account Member Area When a registered member purchase one or more new products it is not necessary to click Register on the homepage to register the newly purchased product Instead he can enter username and password to log in and then click member in the interface shown in Figure 3 11 to get into the member area See Figure 3 12 Click here to enter E Member Figure 3 11 Figure 3 12 23 X 431 User s Manual The member can perform the following function Account administration Product control User s information maintenance Order management Logout Account Administration It is for changing password Product Control The following tasks can be performed for Product Control function Register newly purchased product Hand over the machine to other customer Click serial No to see the currently available software version User s Information Maintenance It is for renewing the users infor
50. ding data Stream What Is the reason Answer It may be caused by a slackened connector Please turn off the machine firmly connect the connector and switch on the machine again 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 52 X 431 User s Manual specified period of time Refer to the section Power management in Users 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 Users 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 Users Manual Question The displayed information can not be seen clearly when the ambient light is not good What should do
51. e Main Parts Paper In Printer adjustor Ejector e i Serial Port 1 ss SESE TE CF Card Slot Touch Screen DATA I O Figure 1 03 know the trouble type cause location and Working Principle of X 431 troubleshooting solutions on vehicle according to the displayed information X 431 can also X 431 combines the technology of automobile clear the trouble code after vehicle is repaired and computer It uses computer technology to scan the trouble code in various systems of X 431 is based on Linux operating system and automobile The test result is displayed on the adopts SMARTBOX for vehicle diagnosis It can LCD screen in forms of characters digits diagnose vehicles made by different waveforms etc or is printed out User can manufacturers The test can be automatized LAUNCH and computerized X 431 features high automation powerful function large database multi language compact structure and easy operation All advantages are realized by the following techniques Advanced main unit circuit It includes CPU LCD keypad EPROM re programmable data memory universal interface some supplementary circuits Various diagnostic circuits One end is connected to the main unit and the other IS to vehicle diagnostic socket for diagnosing different vehicle model Specific diagnostic program for specific vehicle Splendid programming Programs font database and information are loaded from PC to X 431
52. e test result Click PRINT to print out the test result Figure 2 16 shows an example of printed report 4 437 Ula Kepari Hl SMART GUS AS PULMKDT 7 Salo 11 19 200 0946220 Ja codes WE 1 K heat exhanger madi gt temp sender posit li a4 OU ROO WA ele Sender Figure 2 16 If there is no fault code in the tested system the display will be as shown in Figure 2 17 Wo fault code Figure 2 17 Click OK button to return to the function menu Erase Fault Memory Click Erase Fault Memory in the function menu X 431 starts to erase the fault code The screen will display the residual fault code after erasing Figure 2 18 shows an example of the result after erasing OO768 Rvheat exhanger temp Signal at sender 6154 positive OOPFL Fuel gauge sender G PAGE UP PAGE DOWN HOME BACK PRINT HELF Figure 2 18 Button descriptions HOME to return to the homepage of vehicle diagnosis BACK to return to the previous interface PRINT to print the test result LAUNCH Click PRINT to print out the test result Figure 2 19 shows an example of printed report 4447 DLA Report LAURE SMART GUS AX NUMA r Jato 11 19 200 09 46 220 dtd COOES TE mar F temp sender ad Sw OEOO cd TUBE galiye sender posit v2 Figure 2 19 If all fault codes are erased or there is no fault code in the tested system the screen will be displayed as shown in Figure 2 20
53. ector when plug or unplug it Do not pull the cable for unplugging Maintenance Storage Store the X 431 on a flat and dry place with suitable temperature Never put the X 431 in direct sunlight or near the heating source Prevent smoke water and oil from X 431 User s Manual entering the X 431 Avoid shock dust moisture and extremely high temperature Do not disassemble the main unit Clean the outside surface and screen with soft cloth that is dipped with a little water if the main unit is dirty This should be done after the machine is turned off and the power cable is removed Periodically turn on the X 431 main unit if it Is not operated for long time to avoid moisture Take Care of the Screen Turn off the power if it is expected not to operate the X 431 for a long while It can extend the life of screen and save energy Do not put anything on the main unit to avoid damage to the internal parts Use the equipped stylus to click the screen Do not use fingernail or other Sharp object to touch the screen Dust may be accumulated on the LCD screen owing to electrostatic It is Suggested to buy the special LCD screen wiper to clean the screen gently Do not wipe the screen with bare finger Never use chemicals to clean the screen Maintenance of CF card Do not pull out the CF card when the X 431 main unit is working Pull out the CF card and store it in the place without magnetic field after the
54. ed in any form or by any means electronic mechanical photocopying recording or otherwise without the prior written permission of LAUNCH The information contained herein is designed only for the use of this unit LAUNCH is not responsible for any use of this information as applied to other units Neither LAUNCH nor its affiliates shall be liable X 431 User s Manual 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 problem as soon as possible Disclaimer To take full advant
55. edule 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 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 schedule will be shown in the 43 X 431 User s Manual opened Schedule View interface See Figure 4 35 4 Click Delete button to delete it and close the Schedule View interface Really delete this schedule Yes ge EEE Figure 4 35 System Control Panel The control panel includes all interrelated software and hardware configurations It makes the software more custom built for you by configuring 1 Click Start button 2 Select Control Panel in the pop up menu 3 Open the Control Panel interface See Figure 4 36 LAUNCH Control rane TT 4 app power clock contrast Figure 4
56. ension system vehicle speed vehicle height steering angle throttle position braking force sensors etc In A C system external temperature internal temperature sunshine coolant temperature refrigerant pressure and humidity sensors etc 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 circuit A D converter SMC output circuit etc See Figure 6 02 1 L a e hi i te Fae I apaa f i it Ti 4 ESA Lir O ETN Ss sg Lf La ERE TR cru ia i Figure 6 02 1 Sensor 4 A D 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 In instrument alarm and diagnosis systems 55 X 431 User s Manual into electrical parameter 2 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 r
57. equest For auxiliary heating device of which the spare part No is 4B0 265 105 index No is not higher than C and software version No is D47 or D48 the spare part No and software version No can be read out by our scan tool in the function like Read ECU memory Power cut will be caused by undervoltage whenever the code is 00001 and the voltage of auxiliary heating device is lower than the battery voltage for adaptation of basic setting Power cut will be caused by undervoltage whenever the code is 00002 and the voltage of auxiliary heating device is lower than the battery voltage inputted for adaptation If the fault message like Power cut owing to undervoltage constant value is displayed for auxiliary heating device code is 00001 please perform the following steps 1 Change the code of auxiliary heating device to 00002 and confirm the control unit code 2 Read out the inputted value constant value of uncervoltage power cut by means of the 7 LAUNCH X 431 User s Manual function Adaptation and then perform adaptation 3 Alter the constant value by means of the function Adaptation Specified value is below 10 5V 4 Change the code of auxiliary heating device to 00001 Confirm the control unit code 2 Control unit 162 software version No is D49 or over Po Signification S 00011 With recirculation pump V55 Power cut owing to undervoltage for adaptation when the basic setting is reached 00012 W
58. er G69 compare with the throttle regulator potentiometer 0 must compare 1 adaption not performed abnormal 8 not use throttle regulator V60 minimal compute value throttle regulator V60 emergency compute value throttle regulator V60 maximal compute value throttle potentiometer voltage idle regulator potentiometer voltage mode adaption mode ADP throttle control unit adaption engine speed coolant temperature 3 Aregulator 4 hregulation off on System basic setting function A regulation off Read data stream function A regulation on Golf Engine System Data Stream Block Table Block Block 1 about 800 rom 2 81 111 C 3 0 1 0V 4 XXXX XXXX Block 1 about 800 rpm 2 3 81 111 C 4 entiroment temperature intake air temperature Block 1 about 800 rpm Used by manufacturer 1 2 3 4 5 6 7 8 9 10 engine speed coolant temperature 02 sensor voltage engine mode engine speed injection pulse width battery voltage engine speed engine load throttle angle ignition timing 70 LAUNCH X 431 User s Manual abou 800 rom engine speed engine load signal km h speed signal 4 XXXX XXXX engine mode Block 05 1 about 800 rom engine speed 2 engine load 3 mixture calibrate 4 mixture adaption value Audi 200 Engine System Data Stream Block Table Display Block 00 Used by manufacturer 1 2
59. esult is transmitted through I 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 ithas 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 used 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 m
60. f 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 431 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 97 X 431 User 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 ma
61. ill be closed Help Click button at the top right corner of the interface to get helpful tips for current interface LAUNCH Tool and Game Tools PIN Gane t Worldtimne Control Panel Binidict Tum off Picvie ae k es es ee rs a q OoOO B 14 41 Figure 4 07 1 Click Start button 2 Select Tools in the pop up menu 3 Select the function needed in the pop up Submenu Refer to Figure 4 07 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 Figure 4 09 1 In the pop up menu of Tools select Calculator to open the Calculator interface Click the square overlap icon on upper left of the screen to switch between scientific calculator and simple calculator Click Unit Conversion button to switch between unit conversion calculator and simple calculator 32 X 431 User s Manual poB J eee ULILILIE Ib JEHA Soe Figure 4 08 Caculator Scienti tic ene Eh ee SE Oo Honana BOR Sooo ogee carrera Figure 4 09 Common Calculator Refer to Figure 4 08 1 Click numeral keys on the screen to input 2 Or activate Soft Keyboard and click numeral key on Soft Keyboard to input 3 The operation is the same as that for normal calculator Unit Conversion Calculator Refer t
62. ion knock sensor signal of Cyl 1 knock sensor signal of Cyl 2 knock sensor signal of Cyl 3 Knock sensor signal of Cyl 4 OJ I engine speed changes one time each 40 steps air flow meter engine load throttle angle engine load altitude calibration coefficient engine speed changes each 40 steps low octane number switch if the fuel is poor screen display as below 00000100EIN open AC High large AC power Low small AC power AC compressor on off always display Kompr Aus for vehicles without AC engine speed changes each 40 steps engine load coolant temperature Aregulation off on adaption requirement 1 notuse 2 throttle regulator potentiometer adaption minimal estimate value 0 adapted adaption normal 1 adaption not performed adaption abnormal 3 throttle regulator potentiometer adaption maximal compute value 0 adaption performed normal 1 adaption not performed abnormal 4 throttle potentiometer G69 adaption minimal compute value 0 adaption performed normal 1 adaption not performed abnormal 5 throttle potentiometer G69 adaption maximal compute value 0 adaption performed normal 1 adaption not performed abnormal 6 not use 69 LAUNCH part load ADP active ADP normal ADP abnormal 99 1 rom a 3 10 10 4 regulation off regulation on X 431 User s Manual 7 throttle potentiomet
63. ion Question How to make a new X431 CF card when the data in old one is lost or damaged Answer In case X431 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 SMARTBOX No and then download the following programs into your computer 1 Necessary programs for making CF card LAUNCH X431 UPDATE TOOLS for writing the program from computer to CF card when doing X431 update DISPLAY PROGRAM for displaying the X431 diagnostic information and managing the X431 diagnostic programs SYSTEM _ DATA used by X431 system system data 2 Optional programs that can be selected according to user s demand Diagnostic program for various vehicles 2 Install the X431 UPDATE TOOLS into computer 3 Formatthe X431 CF card 4 Run the X431 UPDATE TOOLS and write the display program system data and diagnostic programs onto CF card About Hardware Question After X431 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 SMARTBOX It can be solved in the following way 1 Download the software that is corresponding to the SMARTBOX so that the CF card can match the SMARTBOX 2 Use the UPDATE TOOL that is p
64. isplayed as shown in Figure 2 38 Serye Station code 0 655351 Figure 2 38 X 431 prompts user to input the service station code Click the number button to input the service station code If wrong number is inputted click BACK SPACE to delete the wrong number and input the correct one After the service station code is inputted click OK button X 431 prompts user to input the password See Figure 2 39 Please input password 0 65535 Figure 2 39 Click the number button to input the login X 431 User s Manual password If wrong number is inputted click BACK SPACE to delete the wrong number and input the correct one After the login password is inputted click OK button X 431 starts to log in When the login is successful the screen will display the information as shown in Figure 2 40 Login Success Figure 2 40 Click OK button to return to the function menu LAUNCH Update of Diagnostic Software The Internet update function of X 431 provides user with a convenient and quick way to download the software from our website for update LAUNCH put the latest version of software to www X431 com and display the massage on the news page User can use computer to visit the Website in any part of the world After registration the latest version of software can be downloaded Then user can update his X 431 by unzipping and installing the software Hardware Requirement Necessary
65. ith recirculation pump V55 Power cut owing to uncervoltage when the inputted voltage for adaptation is reached Enter code 00011 Code 00012 is entered only if requested by customer For auxiliary heating device of which the spare part No is 4B0 265 105 index No is higher than D and software version No is D49 or over the spare part No and software version No can be read out by our scan tool in the function like Read ECU memory Power cut will be caused by undervoltage whenever the code is 00011 and the voltage of auxiliary heating device is lower than the battery voltage for adaptation of basic setting Power cut will be caused by undervoltage whenever the code is 00012 and the voltage of auxiliary heating device is lower than the battery voltage inputted for adaptation If the fault message like Power cut owing to undervoltage constant value is displayed for auxiliary heating device code is 00011 please perform the following steps 1 Change the code of auxiliary heating device to 00012 and confirm the control unit code 2 Read out the inputted value constant value of uncervoltage power cut by means of the function Adaptation and then perform adaptation 3 Alter the constant value by means of the function Adaptation Specified value is below 10 5V 4 Change the code of auxiliary heating device into 00011 Confirm the control unit code Passat B5 1 Engine system Country Emission rule Drive Addition
66. ive cars in USA _ Note New in Tiptronic mode when the speed selector is in Tiptronic channel the transmission will automatically accelerate or decelerate before reaching the speed limit so that engine can run between the idle speed and the decelerated speed The speed can also be slowed down When the accelerator pedal is fully depressed to kickdown Old in Tiptronic mode when the speed selector is in Tiptronic channel acceleration deceleration can be realized only by pushing the speed lever forward backward When the car is stopped after braking the transmission will be automatically shifted to the first gear of staring 3 ABS ASR system Engine Transmission Data transfer route ECU spare part No and index 4 2 4L 6 Cylinder 5 Valve 2 8L 6 Cylinder 5 Valve 1 8L 4 Cylinder 5 Valve Manual transmission 012 Manual transmission 01V Manual transmission 012 Manual transmission 01V Manual transmission 012 Air bag system CAN bus 8E0 614 111 00032 A AH CAN bus 8E0 614 111 00031 CAN bus 8E0 614 111 fii 00032 Single wire CAN bus 8E0 614 111 i 00031 e Cant 8E0 614 111 B F b coded Air bag system belt tensioners in the car and two rear seat belt tensioners in the car front seat belt tensioner and two rear seat belt tensioners in the car Air bag 8 there are two front seat air bags two front side air bags two rear side airbags 00204
67. k Close button to close the Chess Board 3 Rule The one who chooses white chessman can play 4 35 types etc In the pop up PIM list select Memo to open the Memo interface See Figure 4 19 After you click the V button on top right corner the type list will pop up Then you can select the type of the memo You can also select the Edit Group in the type list to open the Edit Group interface The memo list of corresponding type will LAUNCH 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 00l bluepoint Figure 4 19 Add New Memo In the Memo interface 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 36 X 431 User s Manu
68. ke 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 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 1 D gt U1 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 4
69. ke sure that the vehicle model year is selected correctly and the vehicle is equipped with the system LAUNCH X 431 User s Manual RT A About ECU ae Wein f PE D SEd a aee In the last two decades we have seen more ST ni O l oo and more extensive application of IT and electronic technologies in modern vehicles Many vehicle control systems typically EFI Electronic Fuel Injection ABS Ant 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 h r EIn bee i driveability fuel economy power performance tat m pa comfortability emissions safety and so on has beers ss et mc QM INLAYS ITEA T F a Lips hb Fi been made ae Composition and Working Figure 6 01 Principle of Computer Control System Sensor 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 drivers seat or behind the right kick panel Some manufacturers may stil position it in the engine compartment The sensors switches and actuators are devices Such as oxygen sensors coolant temperature
70. l year 1988 J 1989 K 1990 L 1991 M 1992 N 1993 P 1994 R 1995 S 1996 T 199 7 V 1998 W 1999 X 2000 Y 2001 1 2002 2 2003 3 1 LAUNCH Eleventh vehicle identification number digit reveals the assembly plant for the vehicle The twelfth to seventeenth vehicle identification number digits indicate the sequence of the vehicle for production as it rolled of the manufacturers assembly line Your VIN can be used to track recalls registrations warranty claims thefts and insurance coverage Common locations of the vehicle identification number VIN vary but the following are places to look Firewall of the vehicle Left hand inner wheel arch Steering column R adiator Support Bracket Dash by windshield Drivers door or post on passenger side Guarantee amp Maintenance Book Vehicle documents Machined Pad on front of engine Component parts as listed above eg engine frame etc Later model years most common area s of VIN Left instrumentation dash panel by window Drivers door or post Firewall 60 X 431 User s Manual LAUNCH X 431 User s Manual Appendix Il Block and Parameter Definition of Volkswagen Vehicle Passat B5 Engine Data Stream Block Table TA Block 00 1 170 204 2 17 44 3 82 99 4 142 206 5 0 12 6 123 133 7 120 136 8 717 179 9 115 141 10 117 138 Block 01 1 820 900rpm 2 1 00 2 50ms 3
71. le adaption after repair Drive time adaption after repair Minimal mile km adaption 46 Total fuel consumption adaption Z Z 21 Immobilizer Passat B5 Channel Function _ Y Fuel consumption indication calibration Language selection only applicable to top grade combination instrument panel O B 09 Mileage display match 10 Maximal mile km adaption 02 03 04 18 30 35 40 41 42 43 44 45 46 21 Replace oil service OEL mileage Mileage inspection INSP counter maintenance interval data Time unit 10 day interval inspection INSP maintenance data of the mileage counter 30 Gasoline storage indication match 03 04 10 11 12 30 73 LAUNCH X 431 User s Manual Appendix IV Control Unit Code of Popular Volkswagen Vehicles Audi A6 1 Enginesystem 04002 2 Transmission system 1 Vehicle without electronic throttle control Tiptronic mode DSP effective Front wheel drive cars Applicable to every or 4 wheel drive cars combinations of in USA or areas other transmission and than Germany engine with no a DSP ineffective it Front wheel drive cars electronic throttle should be keptON or 4 wheel drive cars control if possible in USA or areas other than Germany Old mode or Note New in Tiptronic mode when the speed selector is in Tiptronic channel the transmission will automatically accelerate or decelerate before reaching the speed li
72. li j TeltHi Fax Mobile E mail Comparry Title Address i Address iH zipcode Figure 4 47 About In Information list click About to display the information on system software and hardware then click OK button to close it See Figure 4 48 48 LAUNCH FAQ X431 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 X431 About Update via Internet Question Removable Disk icon does not appear in the catalogue of My computer after the CF card reader writer is connected to the USB port of computer Why Answer Possible cause there may not be driver for CF card reader writer 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 writer 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 writer When the CF card reader writer driver is installed successfully a Removable disk
73. lication Question The listed icons of vehicle make occupy more 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 X431 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 Users 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 Users 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 Users Manual to set correct time About Operation Question System halts when rea
74. m 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 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 notclick 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 User Register The user s right can be well protected after registration 1 Click Start button 2 Select Information in the pop up menu 3 Select User in the pop up list to open the User Information interface See Figure 4 46 4 Inthe User Information interface activate Soft Keyboard and input the user information See Figure 4 47 5 Click OK button to save the information and close the User Information interface LAUNCH X 431 User s Manual Serial Hardware gysten software G4G software of g Ra Control Panel ve eo oh ct ga T Tum off Sato at BY E 14 52 gt zE Figure 4 48 Shut Down Click Shut Down in the Start menu when you First Nane attempt to turn off the machine Te
75. m Block Table Shift position P R N D 3 2 1 throttle potentiometer voltage idle 156 0 8V throttle wide open 3 5 4 680V acceleration pedal idle 0 1 wide open throttle 99 100 wide open throttle position the first digit 1 pedal depressed 2 pedal released The second digit 1 TCS enabled 0 TCS disabled The third digit not use The fourth digit 1 kickdown switch enabled O kickdown switch disabled The fifth digit for multifunction switch F125 R N D 3 2 Is 1 P 1 is 0 The sixth digit for multifunction switch F125 P R 2 1 is 1 N D 3 is 0 The seventh digit for multifunction switch F125 R N D P is 1 3 2 1 is 0 The eighth digit for multifunction Switch F125 R N P is 1 N D 3 2 1 is 0 Solenoid valve 6 N93 rating current neutral wide open throttle 0 0A idle maximal 1 1A Solenoid valve 6 N93 rating current neutral wide open throttle 0 0A idle maximal 1 1A battery voltage 10 8 16 VSS G68 voltage stop 20 2 52V vehicle speed engine speed gear neutral 0 reverse R gear 1 hydraulic 1H gear 1 mechanical 1M gear 2 hydraulic 2H gear 2 mechanical 2M gear 3 hydraulic 3H gear 3 mechanical 3M gear 4 hydraulic 4H gear 4 mechanical 4M acceleration pedal idle 0 1 wide open throttle 99 100 Solenoid Solenoid 1 N88 1 solenoid 2 N89 2 Solenoid 3 N90 3 solenoid 4 N91 4 solenoid 5 N92 5 solenoid 7 N94 6 Shift position P 10
76. mation Order Information It is for checking the unpaid order Logout When clicking Logout the system will pop up a dialogue box as shown in Figure 3 13 Microsoft Internet Explorer N system into Signed out successfully Figure 3 13 Click OK button to return to the hompage Software Download Newly registered user can download free of charge the same software as that installed in the purchased main unit or the available later version of the software LAUNCH After filling in the username and password click Login to enter the interface as shown in Figure 3 14 Select the SMARTBOX No in Figure 3 14 and then click Next step to enter the web page of software download The screen will show a list of software and different versions for downloading See Figure 3 15 If no later version is released the item will be marked Not ready X 431 User s Manual Figure 3 17 Click Download button to save the software into the user s computer It is necessary to download the X 431 Update tool and put it in the same folder e g X 431 update folder as other downloaded software if it does not exist in your computer It is going to be used later during updating Precaution on operation of the CF card reader writer 1 Install the driver Figure 3 15 Select the latest version and language and then click Download icon 4 to open
77. me of each working cycle intake air volume engine speed changes one time each 40 steps battery voltage coolant temperature intake air temperature throttle angle idle air flow adaption always display 0 for M T working mode idle part load full load acceleration O D cut off engine speed practical changes one time each 10 steps maximal 2550 rpm engine speed set changes one time each 10 steps idle regulator alr flow 67 X 431 User s Manual LAUNCH 06 800 880rom 10 10 10 10 6 12 V0T 07 10 10 0 1V 0 99 4 0 3 1 1 08 1 2 0 5 0ms 2 10 10 3 8 8 4 TE active or TE inactive 09 rpm 10 410 0 1 0V 10 410 10 0 99 0 3 1 2 3 32 0 00 0 30 11 800 880rpm 13 2 5ms Okm h 0 5 1 5 I h 1 idle speed changes one time each 10 steps 2 idle regulator 3 A regulator 4 ignition angle 1 A regulator 2 A sensor voltage 3 canister N80 solenoid valve 1 duty ratio 0 N80 closed 99 N80 full open 4 A calibration coefficient of EVAP 1 injection time 2 adaption at idle add 3 A adaption at full load Subtract 4 TE active denote the canister solenoid valve 1 on and off according to the time 6 to 16 minutes TE inactive denote the canister solenoid valve 1 always closed 1 minute 1 engine speed changes one time each 10 steps 2 A regulator 3 A sensor v
78. mit so that engine can run between the idle speed and the decelerated speed The speed can also be slowed down when the accelerator pedal is fully depressed to kickdown Old in Tiptronic mode when the speed selector is in Tiptronic channel acceleration deceleration can only be realized by pushing the speed lever forward backward When the car is stopped after braking the transmission will be automatically shifted to the first gear of staring 2 Vehicle with electronic throttle control Engine Tiptronic mode Match of every DSP effective 4WD cars in areas other than transmission and Germany effective engine New DSP ineffective 4WD cars in areas other than with electronic Germany o Nw ew throttle control DSP effective AWD cars in areas other than Germany DSP ineffective 4WD cars in areas other than Germany DSP ineffective 4WD cars in USA Old Old DSP ineffective 4WD cars in USA DSP effective 4WD cars in USA DSP ineffective 4WD cars in USA DSP effective 4WD cars in USA o od gt Old DSP ineffective Other areas in the world New DSP effective Front wheel drive cars in USA 74 New DSP effective AWD cars in USA DSP effective AWD cars in USA N LAUNCH Code Engine Tiptronic mode DSP_ Markt 00014 oo a DSP ineffective Front wheel drive cars in USA X 431 User s Manual Old DSP effective Front wheel drive cars in USA Old DSP ineffective _ Front wheel dr
79. mm 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 58 X 431 User s Manual LAUNCH Appendix 1 about VIN VIN is the abbreviation of Vehicle Identification Numbers A car s vehicle identification number VIN is the identifying code for your SPECIFIC automobile It is your car s fingerprint It sets your vehicles apart from the millions of vehicles out there Recently the VIN is reflected by 17 digit characters It displays a cars uniqueness and manufacturer and provides a method to trace your car from the factory to the junk yard Each character or digit has a particular purpose They are as follows First vehicle identification number digit identifies the country from which the vehicle was manufactured For example U S A 1 or 4 Canada 2 Mexico 3 Japan J Korea K England S Germany W Italy Z Second vehicle identification number digit specifies the manufacturer Audi A BMW B Buick 4 Cadillac 6 Chevrolet 1 Chrysler C Dodge B Ford F GM Canada 7 General Motors G Honda H J aguar
80. n descriptions X 431 User s Manual 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 Figure 2 06 Webs agen ow PO Lk All Gysalemsy he scare Tar diacemoe Fe ala cacsel mis 22 NB we co iii Dunk TMC OE Cta EOLA Se OTe patts Ie opeta A bc Je saris Lic Wed jini ULEI Lul hele UF Falk Oat DER Figure 2 06 The software can diagnose the electronic control systems of Volkswagen up to 2002 The operation is the same as that of the Original scan tool Click OK button X 431 begins reset and check the SMARTBOX and download the diagnostic program from the CF cartridge After download the screen will be displayed as shown in Figure 2 07 Resetting SMARTBOX SUCCESS Checking SMARTBOX SUCCESS Downloading program SUCCESS Figure 2 07 LAUNCH Button descriptions OK to go on the test Click OK button the screen will display the information as shown in Figure 2 08 Rapid data transfer PAGE UP PAGE DOWN HOME BACK PRINT HELF 8 Figure 2 0 Button descriptions HOME to return to the homepage of vehicle diagnosis BACK to return to the previous interface HELP to display the help information Click Rapid Data Transfer The screen displays the menu of test systems as shown in Figure 2 09 Engine electronics AC Heating electronics
81. n in the toolbar on the top See Figure 4 14 Select directory from the left list interface Select file from the right list interface Click Parent Dir button and you can see the directory of current directory s parent You can see the directory of the picture at the right side of Path LAUNCH 9 You can see the file name of the picture at the right side of File 10 Click OK button to open the picture m Intannation PIM Calculaiar all Cama Wu ldim cien Mlnidlct a Control Panel ahul Down ae av ol i Sali G E150 Figure 4 13 Picture Viever OD a cl mR Figure 4 14 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 X 431 User s Manual than one picture has been stored Zoom in and zoom out In the Picture interface click Fl or icon on the top then you can zoom in or zoom out the current picture at will Game OT a Oa en ao as ac ci wie a ai ws ie p wy oe oe A a w ach gt SEA 4 UNCH ie y we wy w ae A ere we w oe a ce Lt y Figure 4 15 1 Click Start button 2 Select Game in the pop up menu 3 Select the function in the pop up Submenu See Figure 4 15 1 In the pop up submenu of Game select
82. o Figure 4 10 1 Click Unit type button at the top right corner to select unit type LAUNCH 2 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 Unit Conversi cr One Init Type Linear Measure Heter Centimetre Kilometre Feet Inch Figure 4 10 World Time Horld Tine i On Howe Time World Time T a 6 29 2005 6 29 2005 le 43 07 04 43 07 1 Figure 4 11 In the pop up menu of Tools select world time to open the world time X 431 User s Manual 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 Figure 4 11 Dictionary 1 In the pop up menu of Tools select Dictionary to open the Dictionary interface See Figure 4 12 2 Activate Soft Keyboard and input words 3 Select the word from the list on the left 4 Click the word and then you can find the translation in the right list Figure 4 12 Picture View Click Start button Select Tools in the pop up menu See Figure 4 13 In the pop up Tools list select Picview to open the Picture interface In the Picture interface click fr ico
83. o setthe system time time To a u ooo contrast of display Language Set To select language to be used Vehicle diagnosis Professional function of vehicle diagnosis Vehicle maintenance Sensor test and To testthe sensor on vehicle and simulate the output signal from simulation the sensor Control Panel 29 LAUNCH Input Note To input data please activate Soft Keyboard with stylus and use the stylus in the subsequent operations Using the Soft Keyboard Activate and Hide You can click Soft Keyboard icon on the bottom of the touch screen to activate the soft keyboard and click again to hide it Input by Soft Keyboard You have two ways to choose One is to input by Soft Keyboard just like normal keyboard but with stylus instead of finger 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 Figure 4 02 The four function keys at the upper middle position are for moving the cursor leftward rightward upward or downward PEE Ed 12 3 4 5 6 7 8 9 0 A lajwlelr t ytulsfolp lt 14 Is Detja s d E ejb la
84. o 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 Figure 4 22 4 Click Find button to pop up the Find People interface 37 X 431 User s Manual The operation guide for each function is described below Address Bock E John Figure 4 22 Add New Address 1 Inthe Address Book interface click New button to open the Address New interface See Figure 4 23 2 Activate Soft Keyboard and fill the detailed information on relatives and friends 3 Click OK button to save and close the Address New interface 4 Then the added name will be displayed in the list box of the Address Book interface LAUNCH Address Book Last Name First Name TelfCo TeltHi Faxi Mobile E mail Comparry Title Addr CoO i Addr iH zipcode X 431 User s Manual ne DA Address Bock Edit AE Last Name John First Name Telco TeltHi Fai Mobile E mail Comparry Title Addr CO Addr iH zipcode Figure 4 23 Figure 4 24 View Address Delete Address Pe
85. od mount the scroll onto the spindle See Figure 1 07b Side plate attach the paper lid and then connect the printer to the X 431 main unit Printing Test Result There are two indicators on the printer 1 SEL to show the readiness of the printer 2 POWER the power indicator of the printer If the SEL indicator is not lit you can press the SEL button to turn it on and make the printer ready Figure 1 07b i When the SEL indicator is lit it shows that the 3 Put the paper spindle into the printer with printer is ready Click the PRINT button if it correct direction The paper may not be fed appears on the screen of X 431 main unit to if the direction is wrong See Figure 1 07b print the test result and Figure 1 07c Explanation of Buttons POWER HOTKEY Hot key Press it to calibrate the screen after the machine is turned on Or press it to enter the vehicle diagnosis interface after X 431 is started To select the printer When SEL indicator is lit the printer is ready to print If SEL f indicator is not lit the printer is Figure 1 07c not able to print 4 Open the side plate pull up the pressing FL Paper feed button rod and lead the paper into slot Turn the feed knob clockwise until the paper comes out of the outlet See Figure 1 07d Figure 1 07d LAUNCH Vehicle Diagnosis Button Descriptions The main buttons on the operation interface and their functions are as f
86. odern 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 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 Forsensor 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 shoul
87. of important information and ideas and make corresponding classification To store the detailed information of relative friends colleagues Address and business partners which can be easily edited retrieved and PIM searched Personal It is convenient for user to record the business to do or being Information To Do done to delete or add task records to arrange the priority of Management 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 Schedule 28 LAUNCH 4 U s Manual X 431 User s Manual An English Chinese dictionary embodies a large number of Mini Dictionary words which cover all fields to overcome your inconvenience in language To enjoy all kinds of pictures which can be zoomed in out Run To start executable applications which are based on the operating system of the unit Game LER It is a kind of chess Game Calculator Both simple and scientific calculators are available The time of many big cities in the world are offered It is a helpful none ME assistant for your travel Tools To play for a while in your leisure time Shs To link the application with the Start menu or delete it from the Power To preset the use of power to save on electricity as possible oo ClockSet Set To set the T
88. ollows BACK to return to the previous interface START to do the next operation EXIT to exit the diagnostic program OK to confirm and execute CANCEL to cancel present operation and return to the previous interface PAGE UP to display the previous page It Is inactive if the current page is the first page PAGE DOWN to display the next page It is inactive if the current page is the last page HOME return to the main interface PRINT to print the test result BOX INFO to show the version information of SMARTBOX HELP to display the help information RETRY to do the unfinished operation once again Conditions for Test Turn on the key The voltage of vehicle battery should be 11 14V The rated voltage of the X 431 Is 12V The throttle should be in the closed position X 431 can be operated in the temperature of 0 50 C 30 minutes of warming up may be necessary when the ambient temperature is 5 C Select Diagnostic connector Various diagnostic connectors are supplied with X 431 Select a specific connector according to the tested vehicle Let s take Volkswagen vehicle as example to describe the test procedure Note The test procedure for different vehicle make is similar Please refer to the X 431 User s Manual described procedure and the screen prompts when diagnosing other vehicle Volkswagen vehicle is usually equipped with 4PIN or 16P IN diagnostic so
89. oltage 4 idle A adaption add canister AKF solenoid duty ratio EVAP Acalibration coefficient canister charging grade 3 denote no fuel smoke in Canister 32 denote the canister is full of fuel smoke 4 canister filter purging grade AKF 000 AKF input 0 30 30 of intake air comes from AKF engine speed changes one time each 40 steps engine load vehicle speed fuel consumption the all displayed values are applicable to the idle mode without extra load AC engine power steering reduce ignition angle of cylinder 1 by Knock regulation reduce ignition angle of cylinder 2 by knock regulation reduce ignition angle of cylinder 3 by knock regulation reduce ignition angle of cylinder 4 by knock regulation engine speed changes one time each 40 steps engine load injection time per revolution ignition angle reduction of cylinder 1 by knock regulation ignition angle reduction of cylinder 2 by knock regulation 68 LAUNCH 800 880rom 1 3 2 5ms lt MS 50 425 20 1 800 880rom 2 00000100EIN 00000000AUS 3 A C high A C low 4 Kompr EIN Kompr Aus 21 rom ms C regulation off regulation on 23 01000000 13 91 54 85 6 43 X 431 User s Manual engine speed changes one time each 40 steps engine load injection time each revolution ignition angle reduction of cylinder 3 by knock regulation ignition angle reduction of cylinder 4 by knock regulat
90. on 1s GMT 12 00 auckland Wellington GMI 1lz2 00 Fiji Kamchatka Figure 4 43 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 Figure 4 44 In the Contrast interface click the position you want and then you can set it LAUNCH Contras non Figure 4 44 Language You can make selection among several languages for convenient operation of the system Lane oe English O Hirik O pR O Aaa O Deutsch Italiano O Espafiol Frangais O Pyecrnii O Portugu s O Polski Figure 4 45 1 In the Control Panel interface click Language icon to open the Language interface See Figure 4 45 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 47 X 431 User s Manual 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 you click the touch screen at this step the noise value would be affected After detecting the noise the syste
91. r Enter username and PW Read terms of service click I accept Complete the registration Select module and perform update After update press ESC LAUNCH Main Unit Introduction Interface Turn on the power source and then press Power key on the machine The screen will display the prompts about touch screen calibration Press Hot key refer to the section Calibrate Touch screen for detailed Steps if you want to make calibration otherwise you can wait until it displays the Start interface as shown in Figure 4 01 A e cs Se o LPi ak or a of ALE BldePoink Figure 4 01 Functions X 431 User s Manual Note An interface for User Register will be displayed when the machine is started at first time Refer to the section User Register for detailed steps When you want to turn off the machine press and hold Power key for at least 2 seconds Start button Its function is the same as that in Windows Click it to pop up the start menu The items and their respective functions in the menu are shown in the following table H Active Taskbar Icon Click it by stylus to display and switch the executed programs 3 Back Light Icon Click it to turn on off back light E Soft Keyboard Icon Click it to activate the soft keyboard Then you have two ways to choose 1 Input by soft keyboard 2 Input by writing board Memo To record all Kinds
92. res repair service return it to the manufacturer with a copy of the sales receipt and a note describing the problem If the unit is determined to be in warranty it will be repaired or replaced at no charge If the unit is determined to be out of warranty it will be repaired for a nominal service charge plus return freight Send the unit pre paid to Attn Overseas Department LAUNCH TECH CO LTD Xinyang Building Bagua 4th Road Shenzhen Guangdong Province China
93. rovided on htto www X431 com for update Never use WINZIP or other decompressing tool for update 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 C In this situation it is necessary to warm up the machine for 20 minutes before test Question P ower can not be turned on with the power button on the main unit after the machine 50 X 431 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 Users 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
94. step 1 in the section The Set of Display To Do Edit crow or ge WO lide Figure 4 29 LAUNCH The Set of display To Do Disp1sy cone al FB Display Finished Event Display Expiry Event Display Expiry Date Display Priority Start ge WO lide Figure 4 30 1 In the To Do interface click Options button to open the To Do Display interface 2 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 3 Click the button to the right of Expired and select the data in the pop up list 4 Click the number or All to the right of Priority to set the prionty of the displayed To Do 5 Click the box to the right of each function When X is displayed in the box the function is selected See Figure 4 30 6 Click OK button to close the To Do Display interface 7 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 41 5 X 431 User s Manual Schedule lL 6 29 2003 Figure 4 31 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 Da
95. t Annual if it is done on a fixed day every year 7 After selecting open the New Schedule interface 42 X 431 User s Manual Schedule lL 6 29 2003 OF 00 06 00 O6200 08 59 meeting Figure 4 33 Set the content of the schedule Figure 4 34 1 In the Schedule New interface activate Soft Keyboard and fill the subject and contents 2 In the textbox on the top of the interface fill the time of the schedule 3 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 Figure 4 34 LAUNCH 4 5 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 off 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 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 Sch
96. te button will be displayed See Figure 4 31 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 P icon to the right of the month or year to select the next month or year See Figure 4 32 Click to select the date in the current month When it is highlighted it is selected Or click Today button to display the LAUNCH Current year month and date directly 6 Click OK button to save the date setting and close the Select Date interface 7 You may see the date you set on the button on the top right of the Schedule interface 5 Mo Tue Wed Tim Fri at ge WO E 14 49 Figure 4 32 Set the cycle of the schedule 1 In the Schedule interface click New button so that the Cycle list pops up See Figure 4 33 2 In the Cycle list select Common if it is done on the selected date 3 Select Daily if it is done every day 4 Select Weekly if it is done on a fixed day every week 5 Select Monthly if itis done on a fixed day every month 6 Selec
97. ter Then double click the X 431 update tool icon J to run the program The program will automatically check the downloaded update files including the diagnostic program and the display program See Figure 3 21 Figure 3 21 Select the module for update in the interface LAUNCH X 431 User s Manual shown in Figure 3 21 and click Update icon to update When the update is complete prompts will appear to notify successful update Description of icons at the lower left of the interface Source folder 4 amp to show the route that the update program is from The default one is where the last software from Target folder 4 to show the route that the update program will be installed It is CF card in this situation It is necessary to click this button to designate the removable disc when laptop computer is used 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 Operation click to show the installed programs See Figure 3 22 OCT O rovota 11 07 FIAT Y 11 01 UOLUO 11 05 O Ehu 11 06 Cancel Figure 3 22 Select the programs that can be deleted and click Delete button to make some more Space available 26 LAUNCH X 431 User s Manual Flow Chart of X 431 Update for New User Log on www x431 com Select language For unregistered user For member Click Registe
98. that cables and CF card are well connected Question Why can t the data be inputted after Soft Keyboard is activated Answer The position where the cursor lies can t be edited Or you have not activated the cursor on the input position Please use the Stylus to 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 Users Manual 51 X 431 User s Manual Question saved data disappear Why does the 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 app
99. tion 1 EDS disconnect during 20 times ignition EDS ASR disconnect 0 EDS ASR normal 1 EDS ASR abnormal not use 66 LAUNCH X 431 User s Manual Jetta Engine System Data Stream Block Table 00 1 170 210 2 26 50 3 80 88 4 176 212 5 4 12 6 118 138 7 112 114 8 78 178 9 2242 255bzw or 0 13 10 118 138 01 1 800 880 rom 2 1 3 2 5Ms 3 sy 4 6 12 VOT 02 800 880 rom 1 2 1 3 2 5mMS 3 2 0 5 0Ms 4 2 0 5 0g s 03 800 880rpm 12 15V 80 110 C ia C 04 bS 1 7 1 7g 5 0 009 s 4 idle 05 800 880rpm 840rpm 10 10 2 0 5 0 9 s coolant temperature about 80 110 C engine load about 1 3 2 5ms engine speed about 800 880rpm battery voltage aboutl2 14 5V throttle angle about 2 5 0 idle air flow regulation idle regulator about 2 5 2 5kg h idle air flow adaption about 4 4kg h 8 A regulation about 10 10 9 regulation adaption add about 0 64 0 64ms 10 A regulation adaption Subtract about 8 8 KH GW RN F B GW N a idle rom changes one time each 40 steps engine load throttle angle fuel pedal fully depressed 80 90 lt 0 when any throttle fault is detected 35 0 ignition angle idle speed changes one time each 40 steps theoretic fuel injection time per revolution of the crankshaft the calibrated injection ti
100. use of the main unit and the SMARTBOX or other diagnostic box is the extraordinary and creative feature of X 431 Precaution on Operation The X 431 is equipped with a leather cover for protecting the machine and firmly combining the main unit SMARTBOX and MINIPRINTER together Do not remove the leather cover during Operation Try your best to keep the screen facing upward and leveled LAUNCH Be careful when plugging and unplugging the main cable and diagnostic connector Tighten the screw before operation so as to avoid unexpected disconnecting and or damage to the port Hold the X 431 main unit during operation Do not hold the SMARTBOX or MINIPRINTER so as to prevent the SMARTBOX and MINIPRINTER from being disconnected Firmly hold the main unit when connecting or disconnecting MINIPRINTER or SMARTBOX to avoid dropping down Do not insert and pull out CF card too frequently Press ejector button before pulling out the CF card Insert the CF card into the CF card slot keep the face labeled UPSIDE upward and make Sure the card is fully seated Handle with care Avoid hitting Unplug the power after operation Put the stylus into the hole at back of X 431 main unit after operation And put the cables connectors and other accessories into box 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 Hold the conn
101. uses 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 flickers during engine starting Answer It is caused by the electromagnetic interference No problem with X431 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 53 X 431 User s Manual 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 not be diagnosed Why systems can 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 Ma
102. utton 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 LAUNCH 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 Note Quit all other applications before saving the modification tart Mem Edit Brose progran CF x Figure 4 39 Power Management In the Power Manager interface you can see the condition of memory and set the standby time See Figure 4 40 1 In the Control Panel interface click Power icon to open the Power Manager interface 2 Click the button to the right of Standby time and select the time or None in the pop up list 3 Click OK button to save the setting and close the Power Manager interface 45 X 431 User s Manual Power anager YODA Power off time after 30 seconds Start ge 14 51 Figure 4 40 Clock User can set the time and the time zone of the system Date Tine O ODA 6 29 2003 14 51 26 4 2003 P am Mon Tue Wed Tim Fri Chait Set date Figure 4 41 Set Time 1 Inthe Control Panel interface click Clock icon to open the Date Time interface as shown in Figure
103. y PEE 111213 AE Ee AEE em A lafwjelr tlyluli loje I spea s d f eln i l1 a e a a Figure 4 04 Control of App Check Box eo E Group Priority EME jjaja x Display Finished Event x Display Expiry Event x Display Expiry Date x Display Priority Check Box Figure 4 05 Click the check box to select the function When the function Is selected X will be marked in 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 Figure 4 05 31 X 431 User s Manual Start Nenu Edit O O Dw Start Intonation User About FIN Memo Address Scrolling Bar Calculator Worldtine Minidict Picvien bane FIR File Path Greer Delete Meaty e Cancel Figure 4 06 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 Figure 4 06 Common Button Oe 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 E 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 w

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