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LAUNCH

X-431 Throttle User Manual

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displays waveform. The sensor types are explained as below:
ECT: Coolant Temperature Sensor
EVP: EGR Valve Position Sensor
HO2S: Heated Oxygen Sensor
IAT: Intake Air Temperature Sensor
MAF: Mass Air Flow Sensor
MAP: Manifold Absolute Pressure Sensor
TP: Throttle Position Sensor
VAF: Volume Air Flow Sensor
VSS: Vehicle Speed Sensor
For example, tap “ECT” – “Warm (NTC Thermistor)” in Fig. 9-5, the right screen
will display the waveform of the sensor.

Fig. 9-6

In Fig. 9-6, tap the waveform, then the pre-defined waveform has been set.

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Содержание X-431 EURO TAB

Страница 1: ... 26 2018 Statement All information specifications and illustrations in this manual are based on the latest information available at the time of release LAUNCH reserves the rights to make changes at any time without notice User Manual ...

Страница 2: ...are used by this product For any reverse engineering or cracking actions against the software LAUNCH will block the use of this product and reserve the right to pursue their legal liabilities Trademark Information LAUNCH is a registered trademark of LAUNCH TECH CO LTD LAUNCH in China and other countries All other LAUNCH trademarks service marks domain names logos and company names referred to in t...

Страница 3: ...ng electromagnetic field y Keep X 431 Throttle far away from magnetic devices because its radiations can damage the screen and erase the data stored on X 431 Throttle y DANGER Do not attempt to replace the internal rechargeable lithium battery Contact the dealer for factory replacement y CAUTION Please use the included battery and charger Risk of explosion if the battery is replaced with an incorr...

Страница 4: ...equipment as necessary y Do not drive the vehicle and operate the test equipment at the same time Any distraction may cause an accident y Keep clothing hair hands tools test equipment etc away from all moving or hot engine parts y Before starting the engine put the gear lever in the Neutral position for manual transmission or in the Park for automatic transmission position to avoid injury y To avo...

Страница 5: ...ons near the ECU or sensors Ground yourself when you disassemble PROM otherwise ECU and sensors can be damaged by static electricity y When reconnecting the ECU harness connector be sure it is attached firmly otherwise electronic elements such as ICs inside the ECU can be damaged ...

Страница 6: ...ew 6 2 1 3 Rear view 7 2 2 DOCKING STATION 8 2 3 VCI CONNECTOR 8 2 4 PACKAGE LIST 10 3 PREPARATIONS 11 3 1 CHARGING X 431 THROTTLE 11 3 2 USING YOUR BATTERY 11 3 3 POWER ON OFF 11 3 3 1 Power on 11 3 3 2 Power off 12 3 4 TIPS ON FINGER OPERATIONS 12 3 5 LOCK UNLOCK SCREEN 12 3 5 1 Lock the screen 12 3 5 2 Unlock the screen 13 3 6 SCREEN LAYOUT 13 3 7 ADJUST BRIGHTNESS 13 3 8 SET STANDBY TIME 13 3 ...

Страница 7: ... wireless BT communication 23 4 4 2 USB cable connection 24 5 DIAGNOSIS 25 5 1 INTELLIGENT DIAGNOSIS AUTODETECT 25 5 2 MANUAL DIAGNOSIS 30 5 2 1 Health Report Quick Test 32 5 2 2 System Scan 34 5 2 3 System Selection 35 5 3 TECH TO TECH REMOTE DIAGNOSIS 42 5 3 1 Interface layout 43 5 3 2 Add Friends 43 5 3 3 Start instant messaging 45 5 3 4 Launch remote diagnosis Device To Device 46 5 3 5 Launch ...

Страница 8: ...D 60 7 5 ABOUT 60 7 6 EXIT FROM CURRENT ACCOUNT 61 8 SETTINGS 62 8 1 GENERAL 62 8 1 1 Units of Measurement 62 81 2 Expiration Reminder 62 8 1 3 Identifix Settings 62 8 1 4 Auto Update 62 8 2 VCI 62 8 3 VCI MANAGEMENT 62 8 4 ACTIVATE VCI 63 8 5 FIRMWARE FIX 63 8 6 ICON SIZE 63 8 7 COLOR THEME 63 8 8 PRINTER SET 63 8 9 PRINT INFORMATION 65 8 10 DATA STREAM SAMPLE 65 8 11 VEHICLE VOLTAGE 65 8 12 DIAG...

Страница 9: ...1 2 TEST ENVIRONMENT 80 11 2 1 Test environment 80 11 2 2 Battery status and description 80 11 3 BATTERYBOX STRUCTURE ACCESSORIES 81 11 3 1 Batterybox structure 81 11 3 2 Test accessories 81 11 4 CONNECTIONS OPERATIONS 81 11 4 1 Connection 81 11 4 2 Inside the vehicle test 82 11 4 3 Outside the vehicle test 85 11 5 PRECAUTIONS ON BATTERY TEST 85 12 OSCILLOSCOPE TOOLBOX 87 12 1 INTRODUCTION 87 12 2...

Страница 10: ... DISTRIBUTOR IGNITION ANALYSIS 102 13 2 SECONDARY SIMULTANEOUS IGNITION ANALYSIS 104 13 3 SECONDARY DIRECT IGNITION ANALYSIS 106 13 4 WAVEFORM ANALYSIS MODE 107 14 OTHERS 113 14 1 EMAIL 113 14 1 1 Configure an email account 113 14 1 2 Add an email account 113 14 2 BROWSER 113 14 2 1 Open browser 113 14 2 2 Download files 114 14 3 SYNCHRONIZATION 114 14 3 1 Connect to PC 114 14 3 2 Run on PC 114 14...

Страница 11: ...e between the VCI device and X 431 Throttle handset it achieves full car model and full system vehicle trouble diagnosis which include Reading DTCs Clearing DTCs Reading Data Stream Actuation Test and Special Functions X 431 Throttle adopts a higher performance price ratio tablet which is equipped with Android 7 1 operating system 8 core 2GHz CPU and 10 1 sunlight readable capacitive touch screen ...

Страница 12: ...reset items including Oil lamp reset DPF regeneration ABS bleeding etc can be done y Diagnostic History Provides a quick access to the tested vehicles and users can choose to view the test report or resume from previous diagnostic session without the necessity of starting from scratch y Pre and Post Repair Result Comparison By comparing the pre repair and post repair report you can clearly determi...

Страница 13: ... 2GHz processor Battery 9000mAh rechargeable polymer lithium battery Charging via 5V DC power supply Memory 4GB Storage 64GB Screen 10 1 inch capacitive touch screen with a resolution of 1920 x 1200 pixels Camera Front facing 8 0MP camera rear facing 13MP camera Connectivity y WLAN 802 11b g n ac y Universal serial BUS Ports 1 x Type C 1 x Type A y Bluetooth 2 1 2 4 Sensor y Gravity Accelerometer ...

Страница 14: ...LAUNCH X 431 Throttle User Manual 4 Standby current About 25mA Working temperature 20 to 55 4 131 Storage temperature 30 to 70 22 158 ...

Страница 15: ... device for accessing vehicle data See Chapter 2 3 2 1 X 431 Throttle tablet The handset acts as the central processing system which is used to receive and analyze the live vehicle data from the VCI connector and then output the test result 2 1 1 Top view Fig 2 1 1 Memory Card Slot To store the memory card for storage expansion 2 Charging Port Reserved for charging the handset 3 Power Screen Lock ...

Страница 16: ...s such as Batterybox Scopebox and Sensorbox and other devices with similar port 2 1 2 Front view Fig 2 2 6 Microphone To adjust the volume 7 Charging indicator It illuminates red while the handset is charging Once charging is finished it will illuminate solid green 8 Touch Screen 9 Ambient Light Sensor 10 Front Camera ...

Страница 17: ...2 3 11 Rear Camera 12 Camera Flash 13 Audio Speaker 14 Charging Slot Align it with the charging slot on the docking station to charge the handset 15 Adjustable Kickstand Flip out it to any angle and work comfortable at your desk or hang it on automotive part ...

Страница 18: ...ower adaptor to supply power to the docking station through connection to AC outlet 5 Power LED Illuminates solid green when it is powered up 2 3 VCI Connector The VCI connector works as a vehicle communication interface device which is used to connect to the vehicle s DLC Data Link Connector socket directly or via OBD II extension cable to read the vehicle data and then send it to the X 431 Throt...

Страница 19: ...eless BT data cable communication indicator y It indicates wireless BT communication mode if the VCI is energized and illuminates blue default mode y It illuminates red when the VCI is connected to the diagnostic tool via data cable 4 ECU communication indicator It flashes when the VCI is communicating with the vehicle 5 Data Transmission port To connect to the handset to perform vehicle diagnosis...

Страница 20: ...s 1 4 OBD II extension cable To connect the VCI device to the OBD II vehicle s DLC 1 5 Power adaptor To charge the handset 1 6 OBD I adaptor An adaptor cable for connecting non 16 pin connector 1 7 Cigarette lighter cable To supply power to the non 16pin connector from the vehicle s cigarette lighter receptacle 1 8 Battery clamps cable To supply power to the non 16pin connector through connection ...

Страница 21: ...uminates solid red while charging 4 Once it illuminates solid green it indicates that the battery is fully charged Disconnect the docking station from the AC outlet 3 2 Using Your Battery If the battery remains unused for a long period of time or the battery is completely discharged it is normal that the tool will not power on while being charged Please charge it for a period of 5 minutes and then...

Страница 22: ...r area until a contextual menu pops up on the screen and then release it Slide To jump to different pages Drag Tap the desktop icon and drop it to other location Spread apart pinch together To zoom in manually place two fingers on the screen and then spread them apart To zoom out place two fingers apart on the screen and then pinch them together 3 5 Lock Unlock Screen Many screen lock modes are av...

Страница 23: ...to return to the previous screen y Home Tap to jump to the Android s home screen y Recent App Tap to view the recently launched applications and running applications y Screenshot Tap to capture the current screen y Downloadable Once some upgradable diagnostic software is detected the icon will turn highlighted y VCI Connection Shows whether the VCI device is properly connected or not 3 7 Adjust Br...

Страница 24: ...r X 431 Throttle has a built in Wi Fi module that can be used to get online Once you re online you can register your X 431 Throttle update the diagnostic software APK surf the Internet get apps and send email on your network 3 9 1 Connect to a Wi Fi network 1 On the home screen tap Settings WLAN 2 Tap or slide the Wi Fi switch to ON X 431 Throttle starts searching for all available wireless LANs 3...

Страница 25: ... chart shown in Fig 4 1 to start using X 431 Throttle Fig 4 1 Note If VIN Scan function is performed this step shall not apply 4 2 Register Download Diagnostic Software 4 2 1 User registration On the home screen tap the application icon to launch it a dialog box similar to the following will pop up on the screen ...

Страница 26: ...n Fig 4 2 to start your sign up Fig 4 3 a Create App Account In Fig 4 3 fill in the information in each field Items with must be filled After inputting tap Register a screen similar to the following will appear Fig 4 4 b Activate VCI In Fig 4 4 input the Serial Number and Activation Code ...

Страница 27: ...download page Tap No to download and install it later On the download page tap Update to start downloading To pause downloading tap Stop To resume it tap Continue Once download is complete the system will install the software package automatically Note In process of download please make sure the tablet has a strong Wi Fi signal It may take several minutes to finish it please be patient to wait B I...

Страница 28: ...ttle has an auto save function Once the username and password are correctly entered the system will automatically store it Next time you login the system you will not be asked to input the account manually b If you forgot the password tap Retrieve password and then follow on screen instructions to set a new password 4 2 2 Function modules There are two function modules available on the X 431 Throt...

Страница 29: ... Diag Feedback To feed back the recent 20 diagnostic logs to us for issue analysis Repair Info Provides quick access to various authorized automotive repair database Profile To manage personal information Vehicle Coverage To view all the vehicle models that the X 431 Throttle covers Diagnostic History Generally once a vehicle diagnosis is performed X 431 Throttle will automatically record every de...

Страница 30: ...se simulate vehicle ECU sensor trouble Multimeter To measure physical parameters such as voltage resistance frequency etc Note The function utilizes the same hardware device as the sensor module Battery To test whether vehicle s battery is good or not 4 2 3 Vehicle menu layout After downloading the diagnostic software you can go to Diagnose to check if all software are completely downloaded and in...

Страница 31: ...ccessfully identified the system will retrieve it from the remote server and then guide you to vehicle information page without the necessity of step by step manual menu selection 4 3 Connections 4 3 1 Preparation Normal testing conditions y Turn on the vehicle power supply y Throttle should be in a closed position 4 3 2 DLC location The DLC Data Link Connector is typically a standard 16 pin conne...

Страница 32: ...or into the vehicle s DLC socket It is suggested to use the OBD II extension cable to connect the VCI connector and DLC socket 3 Choose one of the two ways to obtain power from A Power adaptor Connect one end of the included power adaptor to DC IN port of X 431 Throttle tablet and the other end to AC outlet B Internal battery pack For non OBDII vehicle proceed as follows 1 Locate vehicle s DLC soc...

Страница 33: ...on 1 Connect one end of the USB cable optional to the Mini USB port of the VCI device 2 Connect the other end to the USB port of the PC The power indicator of the VCI lights up 3 Enter Bluetooth setting screen by tapping Settings Bluetooth slide the Bluetooth switch to ON and X 431 Throttle starts searching for all available Bluetooth device 4 Tap the desired VCI to pair and match By default the B...

Страница 34: ...le connection is a simple quick way to establish communication between the handset and the VCI device After properly connecting the USB cable from the handset to the VCI the VCI navigation button at the bottom of the screen becomes highlighted indicating the USB connection is successful Note The USB connection provides the most stable and fastest communication When all communication methods are ap...

Страница 35: ... without the necessity of step by step manual menu selection The vehicle information page lists all historical diagnostic records of the vehicle which lets the technician have a total command of the vehicle faults In addition a quick dial to local diagnosis and diagnostic function are also available on this page for reducing the roundabout time and increasing productivity Notes Before using this f...

Страница 36: ...ig 5 1 Note If the VCI connector is not paired up with the X 431 Throttle handset before doing this step a prompt message box will appear Fig 5 2 Check all the possible reasons of Bluetooth connection failure carefully and then tap Confirm ...

Страница 37: ...reen tap Settings Bluetooth Choose the desired VCI connector from the Paired list Tap and then tap FORGET to unpair it Tap Settings VCI Management Tap Deactivate matching Tap Scan to start searching for the VCI connector and pairing up with it Fig 5 4 2 Once pairing is complete the handset starts reading the vehicle VIN A If the VIN can be found from the remote server database a screen similar to ...

Страница 38: ... there are records available it will be listed on the screen in sequence of date If no records exist the screen will show No Record Fig 5 6 Tap View record to view the details of the current diagnostic report To perform other functions tap Quick access to directly go to the function selection screen Choose the desired one to start a new diagnostic session ...

Страница 39: ... VIN inside the viewfinder rectangle to scan it The most recognizable location for this number is in the top left corner on the vehicle s dashboard Other locations include the driver s door or post and the firewall under the hood If you have scanned the VIN of the vehicle tap to choose it from the record list In case the handset failed to detect it tap to enter it manually To turn the flash on tap...

Страница 40: ...e standardized all contain 17 characters VIN characters may be capital letters A through Z and numbers 1 through 0 however the letters I O and Q are never used in order to avoid mistakes of misreading No signs or spaces are allowed in the VIN Tap SKIP to go to Diagnostics main menu screen 5 2 Manual Diagnosis In this mode you need to execute the menu driven command and then follow the on screen in...

Страница 41: ...hancements Introduction Tap to check the software function list Note Tap to read some precautions on using the current diagnostic software Bluetooth Tap to search for the available VCI Bluetooth connector Notes No Bluetooth connection is required for DEMO program If a vehicle is tested and no Bluetooth connection is made before diagnosis tap Search Bluetooth a dialog box similar to the following a...

Страница 42: ...ceed Fig 5 12 5 2 1 Health Report Quick Test This function varies from vehicle to vehicle It enables you to quickly access all the electronic control units of the vehicle and generate a detailed report about vehicle health Tap Health Report the system start scanning the ECUs Once the scanning is complete a screen similar to the following appears Fig 5 13 In Fig 5 13 the tested system with fault co...

Страница 43: ...ch Highlight a certain DTC item and then tap it to launch the browser to search for more detailed information about the selected DTC online Report To save the current data in text format Fig 5 15 Choose the report type and input the required information and then tap OK ...

Страница 44: ...ion tap Skip to go to the next step All reports are saved under the Diagnostic Report tab in Reports on the Diagnostic function module For details on report operations please refer to Chapter 5 4 Compare Results Tap to select the pre repair report to compare By comparison of the pre and post repair reports you can easily identify which DTCs are cleared and which remain unfixed Note Before performi...

Страница 45: ... the test function selection page For detailed operations on test function please refer to Chapter 5 2 3 5 2 3 System Selection This option allows you manually select the test system and function step by step In Fig 5 12 tap System Selection the screen displays as follows Fig 5 18 Swipe the screen from the bottom to view the vehicle system on the next page Tap the desired system take ECM for examp...

Страница 46: ...Code This function displays the detailed information of DTC records retrieved from the vehicle s control system In Fig 5 19 tap Read Fault Code the screen will display the diagnostic result Fig 5 20 On screen Buttons Freeze Frame When an emission related fault occurs certain vehicle conditions are recorded by the on board computer This information is referred to as freeze frame data Freeze frame d...

Страница 47: ... from the vehicle and certain repairs have been carried out you can use this function to erase the codes from the vehicle Before performing this function please be sure the vehicle s ignition key is in the ON position with the engine off In Fig 5 19 tap Clear Fault Code a confirmation dialog box pops up on the screen Tap Yes the system will automatically delete the currently existing trouble code ...

Страница 48: ...em is out of the range of the standard reference value the whole line will display in red If it complies with the reference value it displays in blue normal mode 2 The indicator 1 X shown on the bottom of the screen stands for the current page total page number Swipe the screen from the right left to advance return to the next previous page There are 3 types of display modes available for data vie...

Страница 49: ...comparison In this case different items are marked in different colors On screen Buttons Single graph Tap it to view the waveform Fig 5 23 Min Max Tap Min Max to define the maximum minimum value Once the value goes beyond the specified value the system will alarm Graph Tap it to view the waveform Fig 5 24 ...

Страница 50: ...ed into the Standard Range column for your comparison Before executing this function you have to sample the values of data stream items and save it as a sample DS file Report To save the current data in text format All reports are saved under the tab Diagnostic Report in Report on the Diagnostics function module For details on report operations please refer to Chapter 5 4 Record Tap to start recor...

Страница 51: ...file Each time you run the data stream items you can call out the corresponding sample data to overwrite the current standard range Tap it to start recording the sample data Only data stream items with units will be recorded and the screen displays as below Fig 5 26 Once recording is complete tap to stop it and navigate to the data modification screen ...

Страница 52: ...ctuators and then determines the integrity of the system or parts by reading the ECU data or by monitoring the operation of the actuators such as switching a injector between two operating states In Fig 5 19 tap Actuation Test the system will display as follows Fig 5 28 Simply follow the on screen instructions and make appropriate selections to complete the test Each time when an operation is succ...

Страница 53: ...to ON the X 431 Throttle keeps online and becomes visible on the web client In this case inform the technician of your product S N and he she will control your X 431 Throttle remotely 4 Contact tab Tap to enter the friend list By default it appears blank 5 Message tab Once an incoming message reaches a red dot will appear on the upper right corner of the tab 5 3 2 Add Friends Tap Contact to enter ...

Страница 54: ...tches the keyword tap the desired one from the search result to enter the instant messaging mode Fig 5 30 Tap and select Add Friend from the option menu a dialog box pops up Fig 5 31 Tap CONFIRM to send your request Once the partner receives the request a beep will sound Tap the Message tab Once the partner agreed your request he she will automatically be listed in the Contact tab If a technician ...

Страница 55: ...adding your friends tap the desired one s photo to enter a screen similar to the following Fig 5 32 Tap the input field and use the on screen keyboard to enter the text message and then tap Send to send it Tap to send the voice message Tap to send the emoj Tap to call out more function options Fig 5 33 File Choose diagnostic reports or local files to send Picture Choose screenshots or pictures to ...

Страница 56: ...he X 431 Throttle should be properly connected to the vehicle s DLC and a successful communication is required In Fig 5 33 tap Tech to Tech a pull down menu including the following options appears Fig 5 34 These options are defined as follows Actions Results Send remote diagnostic reservation Tap it and input the reservation title or scheduled date of the remote diagnosis and then tap Confirm to s...

Страница 57: ...is option to invite a technician to perform a remote control on your tool Notes y Remote diagnosis has the same diagnostic steps as manual diagnosis y In process of remote diagnosis tap the button to send voice message y Once you received the report from the partner tap View Report to view details All diagnostic reports are saved under the Remote Diagnostic Reports tab of My Reports in User Info ...

Страница 58: ...LAUNCH X 431 Throttle User Manual 48 Cancel To cancel this operation ...

Страница 59: ...sis Device To PC Except that the remote diagnosis can be done between different Launch s diagnostic tools that come loaded with the module user also can ask for remote control from PC client technician Fig 5 35 Tap the Web Remote tab the screen displays as follows ...

Страница 60: ...ce to ON so that the partner can find and access to this device while using the PC 2 Notify the partner of the PC client website http remote x431 com When the partner opens the link the PC displays as below Note Before processing remote diagnosis please make sure the X 431 Throttle handset is properly connected to the vehicle Fig 5 37 ...

Страница 61: ... diagnosis 5 A popup displays to ask for your confirmation to allow remote control on your device 6 Tap Allow to accept or tap Deny to reject In process of remote diagnosis please note the following things 1 You are not suggested to execute any actions 2 The partner is not allowed to save any diagnostic reports or records on your handset The operations in remote diagnosis are same as those in loca...

Страница 62: ...ll To deselect all tap Unselect To revise the filename of the report select the desired one and tap Rename To share the report with others select the desired one and then tap Share Select the desired report and then tap Delete to delete it 5 4 2 Remote Report This option lists all diagnostic reports generated in process of remote diagnostics 5 4 3 Playback If user records the running parameters or...

Страница 63: ... allowable limits Currently there are eleven OBD II Readiness Monitors or I M Monitors defined by the U S Environmental Protection Agency EPA Not all monitors are supported in every vehicles and the exact number of monitors in any vehicle depends on the motor vehicle manufacturer s emissions control strategy Continuous Monitors Some of the vehicle components or systems are continuously tested by t...

Страница 64: ...enance testing The purpose of the I M Readiness Monitor Status is to indicate which of the vehicle s Monitors have run and completed their diagnosis and testing and which ones have not yet run and completed testing and diagnosis of their designated sections of the vehicle s emissions system The I M Readiness Monitor Status function also can be used after repair of a fault has been performed to con...

Страница 65: ... on the Diagnose main menu screen all diagnostic records will be listed on the screen in date sequence Fig 5 41 Tap certain vehicle model to view the details of the last diagnostic report To delete certain diagnostic history select it and then tap Delete To delete all historical records tap Select All and then tap Delete Tap Quick access to directly navigate to the function selection page of last ...

Страница 66: ...stic feedback records Different process states are marked with different colors C Offline list Tap it to display all diagnostic feedback logs which have not been submitted successfully due to network failure Once the handset gets a stable network signal it will be uploaded to the remote server automatically 5 8 View Repair Information This feature provides a quick dial to some authoritative offici...

Страница 67: ... website to visit it To add certain website into favorites scroll the screen to until it reaches to the bottom tap a dialog box similar to the following appears Fig 5 43 Type in the full web site in the blank and tap OK it will be listed in the Favorites ...

Страница 68: ...ou may use this option to download it or keep it synchronized with the latest version Tap Software Upgrade to enter the update center Fig 6 1 By default the system enters the Downloaded page and all diagnostic software to be updated is selected Note If some software has not been downloaded yet tap Software Download to download it To deselect certain software tap Unselect and then check the box nex...

Страница 69: ...able for you to make payment PayPal and Subscription Renewal Card need to buy it from the local dealer where you purchased the X 431 Throttle A Using PayPal 1 Tap Renewal on the update page to navigate to the renewal type selection screen 2 Select PayPal and then follow the on screen instructions to finish the transaction 3 After payment go to update center to update the diagnostic software B Usin...

Страница 70: ...sed to create your personal profile 7 2 Email This option allows you modify your Email address 7 3 Change Password This option allows you change your login password 7 4 Free Upgrade Period This option lets you check the free update period of the diagnostic software 7 5 About Use this item to check the version of the App and disclaimer page ...

Страница 71: ...LAUNCH X 431 Throttle User Manual 61 7 6 Exit from current account To logout the current user ID tap Exit from current account To login the system again tap Login ...

Страница 72: ...entifix Settings This option is used to set whether the free 30 day trial Identifix shows or not 8 1 4 Auto Update This option is used to set whether automatic update function is ON 8 2 VCI This option allows you to manage all activated VCI devices If several VCI devices are activated on this tool a list of VCI devices will be displayed on the screen If your tool extends to support heavy duty truc...

Страница 73: ...mware During fixing please do not cut power or switch to other interfaces 8 6 Icon Size This feature allows you to set the size of the diagnostic software icon according to your preference Drag the slider to different size and the system will display the corresponding effect 8 7 Color Theme This item enables you to set the color theme of the App Once you changed it you have to reboot the system fo...

Страница 74: ... printer hotspot named with X 431PRINTER XXXX XXXX stands for 4 characters and then tap Connect to enter Step 2 Step 2 Join the printer into LAN Tap Scan to select the desired local Wi Fi network from the list and type in the security password If it is an open network password is not required and then tap Confirm 4 Once the Wi Fi network of the printer is connected and the printer is found tap Tes...

Страница 75: ...Once you saved the print information it will be entered automatically in the More Information box every time you save the diagnostic report 8 10 Data Stream Sample This feature allows you to manage the recorded data stream sample files 8 11 Vehicle Voltage This item is used to detect the voltage of the currently tested vehicle when the VCI is plugged into the vehicle s DLC 8 12 Diagnostic Software...

Страница 76: ...re This option lets you backup restore the important data to from external USB device A Backup 1 Insert the U disk into the Data Transmission Port of the handset 2 Tap Backup to select the data folder to be backed up 3 Tap Backup on the bottom of the screen to copy it to the U disk 4 Unplug the U disk from the handset B Restore 1 Insert the U disk into the Data Transmission Port of the handset 2 T...

Страница 77: ... RPM air flow throttle opening etc into the electronic signal for the vehicle computer who can optimize the engine running status per the above mentioned parameters to keep the engine working in a prime status Meanwhile it integrates the functions of automobile multimeter For detailed operations on multimeter please refer to Chapter 10 which enables users to perform voltage resistance and frequenc...

Страница 78: ...e 0 25KHz Input impedance 1000Gohm Input voltage 1 12V 9 2 Structure Accessories 9 2 1 Sensorbox structure Fig 9 1 Structural diagram of Sensorbox Table 9 1 shows the ports and indicators for X 431 Throttle sensorbox No Name Description 1 Data receiving indicator Indicator green for receiving data from main unit 2 Data sending indicator Indicator green for sending data to main ...

Страница 79: ...x accessories The sensorbox accessories include sensor test cable probe etc See Table 9 2 As the product configuration can be different the accessories included with the product may differ from the accessories listed on this manual Please see the packing list attached to the product for the detailed accessories Table 9 2 Accessory checklist No Name Picture 1 Sensor test cable 2 Sensor probe 3 Mult...

Страница 80: ...ode indicates the fault is in water temperature sensor itself But we need to confirm whether the fault results from water temperature sensor or the connections between ECU and sensors or ECU itself In this case we can make full use of simulation test to input the signal of simulating water temperature sensor instead of water temperature sensor to the microcomputer If the engine works better and th...

Страница 81: ...tting the desired voltage based on the working characteristics of sensor tap the button then the X 431 Throttle will begin to output the simulation voltages Please note the red probe is the output terminal of simulation voltage 2 Fixed frequency simulation This option enables you to simulate the square wave signal of pulse frequency of 0 1 15 kHz amplitude range of 5V 5V and duty cycle 10 90 In Fi...

Страница 82: ...litate users to simulate sensor signals As long as you call out the predefined waveform then tap to start simulating output of corresponding sensor waveform and no more parameter settings of simulation waveform are required In Fig 9 3 tap Predefined waveform simulation to enter the screen shown as Fig 9 4 Fig 9 4 Here tap button a screen similar to Fig 9 5 will appear Fig 9 5 In Fig 9 5 the left s...

Страница 83: ...en Sensor IAT Intake Air Temperature Sensor MAF Mass Air Flow Sensor MAP Manifold Absolute Pressure Sensor TP Throttle Position Sensor VAF Volume Air Flow Sensor VSS Vehicle Speed Sensor For example tap ECT Warm NTC Thermistor in Fig 9 5 the right screen will display the waveform of the sensor Fig 9 6 In Fig 9 6 tap the waveform then the pre defined waveform has been set ...

Страница 84: ...ust draw a complete periodic waveform when it is output the system will regard the waveform in the drawing area as a periodic one Users should draw as large as wave in drawing zone so that the system can sample more points to reduce tolerance In Fig 9 2 tap Hand painted waveform simulation a screen similar to Fig 9 8 will appear Fig 9 8 Button descriptions Save the current waveform Loads the previ...

Страница 85: ... more than 1MΩ no fault occurs y Before disassembling the engine electrical control system cable cut off the power supply that is turn the ignition switch OFF and disconnect the cables on the battery poles y Contact the test probe and the two terminals the two leads to be measured when measuring the voltage between the two terminals or the two leads y Contact the red test probe to the terminal the...

Страница 86: ...1 Connections for details launch X 431 Throttle application tap Toolbox Multimeter to display the test menu Fig 10 1 Tap the desired test to perform related test The operation method on Resistance Test and Frequency Test is identical to that of Voltage Test Here take Voltage test as an example for demonstration Tap Voltage Test a screen similar to Fig 10 2 appears Fig 10 2 ...

Страница 87: ...hecking for the output signal of knock sensor Unplug the wire connector of knock sensor check voltage between knock sensor connector terminal and ground wire of knock it should be output pulse voltage otherwise the knock sensor shall be replaced Coolant temperature sensor testing 1 Resistance test for coolant temperature sensor On vehicle testing Switch ignition OFF and unplug the wire connector o...

Страница 88: ...ter installing the coolant temperature sensor plug the wire connector of sensor and then switch ignition ON test the output signal voltage between the two terminals of wire connector The tested voltage shall be in inverse proportional with the coolant temperature When the harness of coolant temperature sensor is disconnected the voltage shall be about 5V if the ignition switch is ON ...

Страница 89: ... EN JIS SAE and GB etc It is specifically designed to help car owner repair workshop battery factory use battery test instrument properly and determine whether the battery is normal or not Battery test aims to check starting plumbic acid storage batteries for vehicles ship boats and aviations etc It can test all kinds of batteries complying with CCA DIN JIS EN GB and SA standards For detailed test...

Страница 90: ... Battery status and description There are mainly 5 states as follows No States Descriptions 1 Good battery Indicates battery is normal 2 Replace battery Indicates that battery is aged or becomes rejected or battery life cycle approaches to be exhausted In this case battery voltage appears to be normal but battery itself is not well i e battery polarity board has been completely vulcanized or aged ...

Страница 91: ...2 Test accessories Fig 11 2 Kelvin clip Fig 11 3 A B cable 11 4 Connections Operations 11 4 1 Connection Connect one end of the A B cable to the B type USB terminal of the batterybox and then connect the other end to the USB port of X 431 Throttle tablet This connection applies to outside the vehicle test and inside the vehicle Notes 1 Wait about 10 seconds and begin to communicate since the batte...

Страница 92: ...t the same but under inside the vehicle condition all loads in vehicles must be powered off for getting an exact test value 1 Firstly the system detects whether floating electricity exists or not before testing If yes turn on the headlamp to remove it Otherwise the system starts test program directly 2 Tap Inside the vehicle the system starts detecting floating electricity automatically If floatin...

Страница 93: ... and tap a screen similar to Fig 11 6 will appear Users can adjust capacity size by tapping on or or by dragging the slider on the bar Fig 11 6 If JIS is selected tap the system will enter Select testing capacity screen Users can select corresponding standard capacity value according to battery model marked on battery 7 Tap and the testing result will appear on the screen ...

Страница 94: ...age value and starting voltage can be obtained in case of engine starting and accelerating Based on the data the system will judge whether battery s charging and actuation status is normal or not Tap in Fig 11 7 a dialog box will pop up as Fig 11 8 Fig 11 8 After detecting engine starting follow the instructions on the screen to increase the speed The system begins to receive test data information...

Страница 95: ...ime required for charging system and actuation system test varies from person to person If the engine does not start or accelerate within 30 seconds the system will prompt you receiving timeout and return to the initial status Whether Engine is off or not has no influence on charging and actuation test result after increased speed is detected but other loads need to be powered off The accuracy of ...

Страница 96: ...le is accelerated or not the output voltage only differs within 0 2V While doing inside the vehicle test Kelvin clip is always found to be in poor contact To remain it in good contact please shake it several times before testing Take down the battery connector and test it again the value probably varies The deviation may arise from battery connector Pay more attention to connect the clip The batte...

Страница 97: ...ch can be recalled to observe for the fast signal having great convenience to failure analysis Either high speed signal e g Injection nozzle intermittent fault signal or the slow speed signal e g the throttle position change and the oxygen sensor signal can be observed through automotive oscilloscope in an appropriate waveform The electronic signal can be compared and judged via measuring five par...

Страница 98: ...ixed signal generator Generate a square signal with fixed 1K frequency 2 CH1 Channel 1 3 CH2 Channel 2 4 CH3 Channel 3 5 CH4 Channel 4 6 External trigger External trigger signal 7 B shaped USB interface Connect main unit via USB cable as separated individual USB devices 8 Power interface Connect to power supply via the power adapter 9 Communication indicator It blinks in process of data communicat...

Страница 99: ...oscope etc See Table 12 2 As the product configuration can be different the accessories included with the product may differ from the accessories listed on this manual Please see the packing list attached to the product for the detailed accessories Table 12 2 Accessory checklist No Name Picture 1 Secondary ignition pickup for 4 channel oscilloscope 2 Crocodile clips for 4 channel oscilloscope 3 Di...

Страница 100: ...x into external trigger channel GND and the other end should be grounded 3 Connect one end of probe cable to the CH1 CH2 CH3 or CH4 on the Scopebox and the other end to related signal terminal Warning Please use the specific capacitance probe when diagnosing the ignition high voltage line Never connect the Scopebox to the ignition secondary circuit directly 12 3 2 Initial interface introduction Fi...

Страница 101: ...ve snapshot snapshot manager waveform record and waveform replay View Calibration and display settings are available Measure Includes signal source measurement horizontal measurement vertical measurement and clear measurement Settings Shows hides the parameter settings area including horizontal settings vertical settings and trigger settings Start Stop Starts stops collecting waveforms 12 4 Operat...

Страница 102: ... 4 Options descriptions Menu Comments Settings Time DIV Horizontal scale If the waveform acquisition is stopped using the button the Time DIV selector expands or compresses the waveform Y T format The conventional oscilloscope display format It shows the voltage of a waveform record on the vertical axis as it varies over time on the horizontal axis Vertical Settings The trigger determines when the...

Страница 103: ...ome settings directly by tapping or next to options Fig 12 5 Options descriptions Menu Comments Settings Channel To select the channel source Volts DIV It is defined as Volts Division and mainly used to change the resolution Coupling Trigger coupling determines what part of the signal passes to the trigger circuit AC DC and Ground are included AC Blocks the DC component of the input signal DC Pass...

Страница 104: ...r the Scopebox finds the trigger point on the rising or the falling edge of a signal Menu Comments Settings Sweep The sweep mode determines how the Scopebox behaves in the absence of a trigger event The Scopebox provides three trigger modes Auto Normal and Single Auto It allows the Scopebox to acquire waveforms even when it does not detect a trigger condition If no trigger condition occurs while t...

Страница 105: ...ow the Scopebox behaves in the absence of a trigger event The Scopebox provides three trigger modes Auto Normal and Single Auto It allows the Scopebox to acquire waveforms even when it does not detect a trigger condition If no trigger condition occurs while the Scopebox is waiting for a specific period it will force itself to trigger When forcing invalid triggers the Scopebox can not synchronize t...

Страница 106: ... horizontal scaling as well as the trigger coupling position slope level and mode settings 12 4 3 View Settings 1 Calibration This option adjusts the Scopebox s internal circuitry to get the best accuracy Use this function to calibrate the Scopebox s vertical and horizontal systems Tap and then tap Calibration a dialog box similar to Fig 12 7 will appear Fig 12 7 Check the box before the channel t...

Страница 107: ...ble after saving the selected waveform to non volatile memory Tap and then REF to enter the REF setting screen Fig 12 8 Tap or to select the desired reference value for time DIV and volts DIV To show or hide the REF just check uncheck the box before On Off 3 Display settings Tap and then Display settings to enter the setting screen Fig 12 9 Select Vectors or Dots to display waveforms as vectors or...

Страница 108: ...ards to control voltage Move A line left or right to fine tune timebase A line is a solid line and B line is a dotted line Tap and then Horizontal Measure a screen similar to Fig 12 11 will appear Fig 12 11 Note If no desired channel is selected the system will take the current source as the default channel 3 Clear measure Tap and then Clear Measure the system will clear the measurement result on ...

Страница 109: ...ve it as waveform file which can be recalled in future It can be performed only when the Scopebox is collecting data in Normal mode Tap then select Record from the pop up menu to start recording Fig 12 12 Tap Start to start recording with a minimum record length of 10 frames and Stop to stop recording While recording the recorded pages will be shown on the screen 4 Load waveform for playback The I...

Страница 110: ...waveform file tap Tap to return to the previous screen 12 4 6 Expert reference 1 Expert Reference By default it appears blank As a matter of fact Expert reference database is generated by doing the following 1 Open and edit a snapshot 2 Select Joint the expert database refer to the following illustration and then tap to save the waveform being displayed on the screen as REF ...

Страница 111: ...then Expert Reference to enter the following operation can be done To load and recall the selected file To delete the selected file To edit the selected file 2 Base Reference Preset waveforms of some sensors are available for your reference Fig 12 16 ...

Страница 112: ...ependent ignition coil 3 Simultaneous ignition system two cylinders share one ignition coil when two cylinder pistons reach top dead center at the same time one is compression another is the exhaust two spark plugs will be ignited at the same time at this time the ignition for the former cylinder is in high pressure low temperature gas mixture the ignition is valid while for the latter one is in l...

Страница 113: ...al ignition waveform of distributor ignition system the upper one is the secondary waveform and the lower one is the primary waveform The secondary waveform A section is contact open period B section is make contact period which is the magnetizing field of ignition coil Fig 13 1 1 Contact break point the primary circuit of ignition coil cut off the secondary voltage was sensed and increased sharpl...

Страница 114: ...rm the amplitudes of breaker contact closed angle break angle and breakdown voltage and spark voltage are very clear besides the spark delay period and two oscillations can also be tested For the ignition system without faults compared with the whole cycle the contact closed angle just 45 50 four cylinder 63 70 six cylinder or 64 71 eight cyliner the breakdown voltage is over 15kv the spark voltag...

Страница 115: ...s the valid and invalid ignition waveforms Under the working status of valid ignition the breakdown voltage and spark voltage are higher because the cylinder is filled with fresh combustible mixture gas which has a lower ionization level and vice versa Fig 13 3 ...

Страница 116: ...oint with spark plug Then plug the BNC end of secondary ignition pickup into CH1 CH2 CH3 CH4 channel of Scopebox then connect the high voltage clip to high voltage line and crocodile clips to ground Connections are shown in Fig 13 4 Fig 13 4 Fig 13 5 shows the normal secondary the upper one and the lower one primary ignition waveform of direct ignition system Beause the on off of primary circuit i...

Страница 117: ...tion line This test can provide very meaningful information about the combustion quality for each cylinder If necessary this test can also be performed during driving Since the secondary ignition waveform is significantly affected by different engines fuel systems and ignition conditions it is useful for detecting the faults of engine mechanical parts fuel system components and ignition system com...

Страница 118: ...ng ratio is too lean the combustion voltage will be lower than normal value Combustion line Observe the spark or the combustion line which shall be clean with few clutter as lots of clutter indicates the cylinder has poor ignition due to ignite too early damaged nozzle pollutant spark plug or other reasons The duration of combustion line indicates the mixing ratio of the cylinder is abnormal lean ...

Страница 119: ...iously reduced on the spark period the amplitude became lower which is evidently caused by capacitor leakage Fig 13 7 The waveform on Fig 13 8 shows the accidental pumping during contact closing period The irregular beating is caused by insufficient spring force Fig 13 8 The curve on Fig 13 9 shows the contact angle is too small during the magnetizing period which is caused by too large contact ga...

Страница 120: ... failed and no components on distributorless ignition system can be adjusted When this waveform is abnormal you can only replace the ignition coils igniter ignition signal generator and cam position sensor etc one by one to find out the faulty component or module Fig 13 11 The secondary waveform is also affected by the spark plug the combustion process mixture gas composition the engine thermal st...

Страница 121: ...X 431 Throttle User Manual 111 failures Fig 13 12 just shows the major possible factors for the failures ...

Страница 122: ...X 431 Throttle User Manual 112 Fig 13 12 ...

Страница 123: ...l address and password tap Next Note If Manual setup is selected please consult your email service provider for detailed parameter setting 4 Follow the on screen instructions to proceed until the system prompts you that the account setup has been finished 14 1 2 Add an email account 1 Tap Settings Accounts 2 Tap Add account 3 Choose the desired account type 14 2 Browser 14 2 1 Open browser On the ...

Страница 124: ... image from pop up menu to download it To download a link tap and hold it and then choose Save link To protect your X 431 Throttle and personal data please download applications from trusted sources To configure it tap Settings Security and then slide the Unknown sources switch to off 14 3 Synchronization You can transfer media files and APK between the PC and X 431 Throttle 14 3 1 Connect to PC 1...

Страница 125: ...creen tap OK to confirm 3 Set the tool as Connected as a media device and copy the APK file from the PC to the tool 14 4 Clear Cache Doing so clears all browsing records and accounts and enables X 431 Throttle to run smoothly and quickly 1 Tap Settings Apps 2 Tap and select Sort by size to arrange all applications in size order 3 Tap certain application then tap Clear Cache to release the space th...

Страница 126: ...n I use any other power adaptor other than the included power adaptor to charge the handset No Please use only the included power adaptor to charge the handset We assume no responsibility for damage or loss resulting from the use of the any other adaptors 4 How to save power Please turn off the screen while X 431 Throttle keeps idle Set a shorter standby time Decrease the brightness of the screen ...

Страница 127: ...ore doing so please make sure important data and information has been backed up Do the following to reset X 431 Throttle 1 Tap Settings Back Reset 2 Tap Factory data reset 3 Tap Reset tablet 4 Tap Clear all data to start resetting until the tool automatically reboots 7 The diagnostic application is failing 1 Press the Home key on the tool 2 Select Settings Apps 3 Select the application name from t...

Страница 128: ...termination 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 mercha...

Страница 129: ...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 LAUNCH Tech USA 1820 South Milliken Ave Ontario CA 91761 ...

Страница 130: ...couraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help The SAR limit of USA FCC is 1 6 W kg avera...

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