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LAUNCH

X-431 PAD III User Manual

2.2 VCI Connector (Only for Passenger Vehicle Version)

Fig. 1-2 VCI connector

OBD-16 diagnostic
connector

To connect on vehicle’s OBD2 DLC.

Mini USB port

For connecting the USB cable to the tablet to
perform vehicle diagnosis.

Mode indicator



It illuminates red when the VCI connector is

connected to the vehicle’s DLC.



Blue indicates the VCI connector is working

in Bluetooth mode.

Содержание X-431 PAD III

Страница 1: ...NCH owns the complete intellectual property rights for the software used by this product For any reverse engineering or cracking actions against the software LAUNCH will block the use of this product...

Страница 2: ...istered 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 this manual are either tradema...

Страница 3: ...t attempt to replace the internal rechargeable lithium battery Contact the dealer for factory replacement CAUTION Please use the included battery and charger Risk of explosion if the battery is replac...

Страница 4: ...d that is harmful to skin In operation direct contact with the automotive batteries should be avoided Keep the ignition sources away from the battery at all times Precautions on Operating Vehicle s EC...

Страница 5: ...COMMERCIAL VEHICLE GASOLINE DIESEL VERSION 8 2 3 PACKAGE LIST 9 3 INITIAL SETUP 11 3 1 CHARGING X 431 PAD III 11 3 2 POWER ON OFF 11 3 3 SCREEN LAYOUT 11 3 4 ADJUSTING SCREEN BRIGHTNESS 12 3 5 CHANGIN...

Страница 6: ...5 3 Wi Fi communication 29 5 DIAGNOSIS 32 5 1 INTELLIGENT DIAGNOSIS AUTODETECT 32 5 2 LOCAL DIAGNOSIS 37 5 2 1 Health Report Quick Test 41 5 2 2 System Scan 43 5 2 3 System Selection 44 5 3 REMOTE DIA...

Страница 7: ...box accessories 74 9 3 SENSOR SIMULATION 75 9 3 1 Connections 75 9 3 2 Simulation test 76 9 3 3 Precautions on checking vehicle sensor 80 10 MULTIMETER TOOLBOX 82 10 1 MAIN MENU 82 10 2 TEST SAMPLE 83...

Страница 8: ...4 5 File management 113 12 4 6 Expert reference 114 13 AUTOMOTIVE IGNITION WAVEFORM TOOLBOX 116 13 1 SECONDARY DISTRIBUTOR IGNITION ANALYSIS 116 13 2 SECONDARY SIMULTANEOUS IGNITION ANALYSIS 119 13 3...

Страница 9: ...BROWSER 138 15 2 1 Open browser 138 15 2 2 Download files 139 15 3 TEAMVIEWER 139 15 4 SYSTEM OTA UPGRADE 140 15 5 FACEBOOK 141 15 6 WALLET 141 15 6 1 Registering Wallet 141 15 6 2 How to Obtain Walle...

Страница 10: ...entified vehicle to access its data including vehicle information historical diagnostic records from the cloud server to perform quick test Local Diagnosis VINscan quick test and manual diagnosis are...

Страница 11: ...HDMI interface is provided for connecting the external projectors or displays 4 Equipped with USB port for connecting USB devices and other add on modules such as Scopebox Sensorbox Batterybox and Vi...

Страница 12: ...emp 10 55 14 131 Storage Temp 20 70 4 158 Relative Humidity 20 90 1 3 2 VCI module Only for Commercial Vehicle Gasoline Diesel Version Working voltage DC 9 36V Power consumption 3W Communication Via B...

Страница 13: ...431 PAD III system X 431 PAD III Tablet the central processor and monitor for the system See Chapter 2 1 Fig 2 1 X 431 PAD III tablet VCI Device the device for accessing vehicle data See Chapter 2 3...

Страница 14: ...to any angle and work comfortable at your desk or hang it on automotive part 2 USB2 Port To connect the USB devices or add on USB modules Scopebox Sensorbox or Batterybox while extending X 431 PAD III...

Страница 15: ...Slot To insert a memory card for memory extension 10 Earphone Jack 11 POWER Screen Lock Key In Off mode press it for 3 seconds to turn the handset on In On mode Press it to activate the LCD if the LC...

Страница 16: ...r 1 OBD 16 diagnostic connector To connect on vehicle s OBD2 DLC 2 Mini USB port For connecting the USB cable to the tablet to perform vehicle diagnosis 3 Mode indicator It illuminates red when the VC...

Страница 17: ...ad the vehicle data and then send it to the tablet via Bluetooth Wi Fi communication or USB cable connection The LED indicators enable you to easily identify the working status of the module Fig 1 4 V...

Страница 18: ...431 PAD III may vary For detailed accessory items please consult from the local agency or check the packing list supplied with X 431 PAD III together No Item Description Qt 1 X 431 PAD III tablet For...

Страница 19: ...ro USB cable For connecting the VCI connector to the tablet to perform vehicle diagnosis 1 10 Password envelope A piece of paper bearing Product S N and Activation Code which is needed for product reg...

Страница 20: ...ner of the screen If the power level drops below 10 while the tablet is on a Connect Charger notification will appear on the screen 1 Connect one end of the power adaptor to DC IN port of the tablet a...

Страница 21: ...built in light intensity sensor It can adjust the screen brightness according to the ambient light intensity automatically Alternatively you can also adjust it manually 1 On the Home screen tap Tablet...

Страница 22: ...ister the tablet browse the Internet get and update apps and send email on your network Note Once WLAN is set as ON the tablet will consume more power While WLAN keeps unused please turn it off to con...

Страница 23: ...operation chart shown in Fig 4 1 to start using X 431 PAD III Fig 4 1 Note If VIN Scan or Intelligent Diagnosis is selected to diagnose a vehicle this step shall not apply 4 2 Register Download Diagno...

Страница 24: ...the system directly In case you forgot password refer to C to reset a new password A If you are a new user tap New Registration to enter sign up page See Fig 4 3 Fig 4 3 1 Create an App Account Input...

Страница 25: ...special characters is recommended and then tap Create a Wallet account Note You are suggested to note the password down for future use Backup Wallet Address Keystore A wallet address is automatically...

Страница 26: ...e you can activate your VCI by tapping Activate VCI in Personal Center For details please refer to Chapter 14 4 Tap Activate to finish your registration A popup displays to ask you to update the diagn...

Страница 27: ...X 431 PAD III has an auto save function Once the username and password are correctly entered the system will automatically store it After initial setup it is no longer necessary to input the account...

Страница 28: ...e and APK Diagnostic History Generally when a vehicle diagnosis is performed X 431 PAD III records detailed diagnostic information This function provides a quick access to diagnostic reports from prev...

Страница 29: ...le menu layout After downloading the diagnostic software you can go to Local Diagnosis to check if all software are completely downloaded and installed Tap Local Diagnosis a screen similar to the foll...

Страница 30: ...vehicle OBD VIN and INPUT VIN are included This function does not apply to the commercial vehicles Note Before using this function the corresponding diagnostic software and Auto search file need to b...

Страница 31: ...reless printer following the steps described in Chapter 15 3 Testable Model Inquires the vehicle models that the X 431 PAD III supports Personal Center Quick access to personal center Exit Exit the di...

Страница 32: ...vehicle diagnosis via USB cable In this case the USB cable is required to connect the VCI connector and the tablet 4 3 Diagnosis Methods Only for Commercial Vehicle Gasoline Diesel Version X 431 PAD I...

Страница 33: ...al testing conditions Turn on the vehicle power supply Throttle should be in a closed position 4 4 2 DLC location The DLC Data Link Connector is typically a standard 16 pin connector where diagnostic...

Страница 34: ...extension cable to connect the VCI connector and DLC socket Fig 4 12 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...

Страница 35: ...sel Version The method used to connect the VCI module to a vehicle s DLC depends on the vehicle s configuration as follows A OBD II Vehicle Connection Plug one end of the diagnostic cable into the veh...

Страница 36: ...ector 2 Connect the other end to the USB port of the PC The power indicator of the VCI connector lights up 3 Enter Bluetooth setting screen by tapping Tablet Settings Bluetooth slide the Bluetooth swi...

Страница 37: ...II system will use the USB communication as the default priority 4 5 Communication Setup Only for Commercial Vehicle Gasoline Diesel Version For Commercial Gasoline Diesel Version there are 3 ways ava...

Страница 38: ...pair it In case no Bluetooth setting is done before diagnostic software is launched you can also configure it in process of vehicle diagnosis 4 5 2 USB cable connection The USB cable connection is a s...

Страница 39: ...tion mode the system will search for VCI module automatically See Fig 4 17 Fig 4 18 Fig 4 17 Fig 4 18 3 Tap the desired VCI module and a pairing request similar to Fig 4 19 will appear Fig 4 19 4 Tap...

Страница 40: ...matically connect and form a LAN network to make communication In this case the tablet cannot surf the Internet Work as network adaptor Once enabled a Wi Fi connection dialog box appears Fig 4 21 Inpu...

Страница 41: ...l 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 availab...

Страница 42: ...VCI connector was once used with other devices you need to cancel the pairing of the connector first via either one of the following ways Tap Tablet Settings Bluetooth Choose the desired VCI connector...

Страница 43: ...n be found from the remote server database a screen similar to Fig 5 5 displays Fig 5 5 Tap Diagnostic to start a new diagnostic session Tap Maintenance record to view its historical repair record If...

Страница 44: ...t 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 B If the handset failed to access the VIN informa...

Страница 45: ...scanning the screen automatically displays the result Fig 5 9 If the VIN scanned is incorrect tap the result field to modify it and then tap OK If the VIN exists on the remote server the system will...

Страница 46: ...nostic software Choose any one of the following ways 1 VINSCAN enables you to access it more quickly In this case automatic scan OBD VIN and manual input INPUT VIN are available In Fig 5 10 tap VINSca...

Страница 47: ...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 recognize it tap to enter it manually To turn the flash on tap Once the test ve...

Страница 48: ...wed in the VIN Tap INPUT VIN and a screen similar to Fig 5 14 will appear Fig 5 14 Input the VIN and tap Confirm the system will automatically identify the vehicle model and directly navigate to the f...

Страница 49: ...h 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 diagnos...

Страница 50: ...es 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 scann...

Страница 51: ...the following appears Fig 5 19 In Fig 5 19 the tested system with fault code appears in red and the system with OK displays in black normally On screen Buttons Clear DTC Tap to clear the existing dia...

Страница 52: ...information it will be automatically generated every time you saved the diagnostic report All vehicle and workshop information will be appended to the diagnostic report To skip the workshop informatio...

Страница 53: ...ase 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 17 tap System Selection the screen displays as follows Fig 5...

Страница 54: ...ion information of system mode vehicle VIN software and ECU In Fig 5 24 tap Version Information the screen displays as Fig 5 25 Fig 5 25 Tap OK to confirm and exit B Read Fault Code This function disp...

Страница 55: ...about the current DTC online Report To save the current data in text format All reports are saved under the tab Diagnostic Report in My Report from Personal Center menu For details on report operatio...

Страница 56: ...e data and parameters from the vehicle s ECU In Fig 5 24 tap Read Data Stream the system will display data stream items Fig 5 28 On screen Buttons Select All Tap it to select all items of the current...

Страница 57: ...y modes available for data viewing allowing you to view various types of parameters in the most suitable way Value this is the default mode which displays the parameters in texts and shows in list for...

Страница 58: ...details on report operations please refer to Chapter 15 1 My Report Record Tap to start recording diagnostic data for future playback and analysis The saved file follows the naming rule It begins with...

Страница 59: ...ble test vary by vehicle manufacturer year and model During the actuation test the X 431 PAD III handset outputs commands to the ECU in order to drive the actuators and then determines the integrity o...

Страница 60: ...ch time when an operation is successfully executed Completed displays 5 3 Remote Diagnosis This option aims to help repair shops or technicians launch instant messaging and remote diagnosis making the...

Страница 61: ...the X 431 PAD III 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 PAD III remotely 5 3 2 Add friends Tap Co...

Страница 62: ...tically be listed in the Contact tab If a technician sent you a friend request you can tap Agree to confirm and his her name will appear in the friend list Contact Or tap Ignore to ignore this request...

Страница 63: ...d to send it Tap to send the voice message Tap to send the emoj Tap to call out more function options Fig 5 38 File Choose diagnostic reports or local files to send Picture Choose screenshots or pictu...

Страница 64: ...e properly connected to the vehicle s DLC and a successful communication is required In Fig 5 38 tap Remote Diagnostic a pull down menu including the following options appears Fig 5 39 These options a...

Страница 65: ...report Invite remote diagnostic assistant If you need support just use this option to invite a technician to perform a remote control on your tool Notes Remote diagnosis has the same diagnostic steps...

Страница 66: ...LAUNCH X 431 PAD III User Manual 57 Cancel To cancel this operation...

Страница 67: ...is 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...

Страница 68: ...device 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 cn When the partner opens the link the PC dis...

Страница 69: ...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...

Страница 70: ...te sequence Fig 5 44 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...

Страница 71: ...LAUNCH X 431 PAD III User Manual 62 Fig 5 45 Tap CONFIRM to choose the vehicle diagnostic record page Fig 5 46 A Tap the desired vehicle to enter the diagnostic log selection page...

Страница 72: ...ype and fill in the detailed failure description in the blank text box and telephone or email address After inputting tap Submit Result to send it to us B Tap History the diagnostic logs marked with d...

Страница 73: ...ystem Reset Gear Learning IMMO Service Injector Coding Battery Maintenance System Diesel Particulate Filter DPF Regeneration Electronic Throttle Position Reset There are two methods to reset service l...

Страница 74: ...for the car After service you need to reset the driving mileage or driving time so that the service lamp turns off and the system enables the new service cycle 2 After changing engine oil or electric...

Страница 75: ...function must be performed to bleed the ABS 6 5 Tire Pressure Monitor System Reset This function allows you to quickly look up the tire sensor IDs from the vehicle s ECU as well as to perform TPMS re...

Страница 76: ...column When the key is placed in the ignition the transponder sends a signal with a unique identification code to the reader which relays it to a receiver in the vehicle s computer control module If t...

Страница 77: ...battery power usage more accurately which can avoid an error message displaying on the instrument panel 6 10 Diesel Particulate Filter DPF Regeneration DPF regeneration is used to clear PM Particulat...

Страница 78: ...are Upgrade on the Home screen to enter the update center Fig 7 1 By default all diagnostic software is selected To deselect certain software tap Unselect and then check the box next to vehicle model...

Страница 79: ...arby car owners with attentive service to develop new business opportunities manage technicians and golo customers more efficiently monitor customer s vehicle running status in real time manner and pe...

Страница 80: ...matically To define the item Model specialized tap the icon to select the vehicle models After entering tap Submit to confirm Sign up successfully will pop up and the system will jump to golo main men...

Страница 81: ...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 statu...

Страница 82: ...ut 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 PAD III sensorb...

Страница 83: ...terminal of multimeter 7 V Hz Testing terminal of multimeter 9 2 2 Sensorbox accessories The sensorbox accessories include sensor test cable probe etc For detailed items please see the packing list Be...

Страница 84: ...Firstly power the tablet on 2 Connect the B shaped terminal of USB cable to the B shaped port of the Sensorbox and the other end to the USB port of the diagnostic tool 3 Plug one end of the sensor te...

Страница 85: ...e fault vanishes the fault is in the water temperature sensor If the fault still occurs input the signal to the corresponding terminals of ECU Consequently if the fault disappears the fault lies in th...

Страница 86: ...Fig 9 3 Tap the setting option tab then tap or to adjust the output After setting tap to perform the test 3 Predefined waveform simulation X 431 PAD III provides some common sensor waveforms which ha...

Страница 87: ...sensor types and the right area 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 Temperat...

Страница 88: ...m simulation test 4 Hand painted waveform simulation This option offers great convenience for users to simulate special waveform or fault wave Users only draw the shape of waveform which needs to be s...

Страница 89: ...e following operation 9 3 3 Precautions on checking vehicle sensor Hold the connector when plugging or unplugging it Do not pull the cable for unplugging At first check the fuse fusible line and termi...

Страница 90: ...hen measuring the voltage between the two terminals or the two leads Contact the red test probe to the terminal the cable to be measured and the black probe to the ground when measuring voltage of one...

Страница 91: ...Connections for details launch X 431 PAD III 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 a...

Страница 92: ...ecking 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...

Страница 93: ...er 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...

Страница 94: ...N 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...

Страница 95: ...attery 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 rejecte...

Страница 96: ...icators for the Batterybox No Name Descriptions 1 Power LED It keeps solid red after the Scopebox is powered on 2 B shaped USB port Connect to the diagnostic tool via USB cable so that the signal can...

Страница 97: ...the batterybox needs to initialize after connection is complete otherwise communication may fail 2 Red lamp on the batterybox means it has been successfully powered up If the green light is always on...

Страница 98: ...oating electricity is detected it will prompt you to turn on the headlamp 3 Follow the on screen instructions to turn on headlamp the system starts removing floating electricity 4 Once the floating el...

Страница 99: ...y model marked on battery 7 Tap and the testing result will appear on the screen Fig 11 7 Tap it to perform the charging system and starting system test Tap to test it again Tap it to reset the test 2...

Страница 100: ...ging system and start system test after finishing battery test but battery test must be done before undergoing charging system and starting system test 11 4 3 Outside the vehicle test It only applies...

Страница 101: ...of the value the best method is to collect the signals of starting and charging voltage and observe it on an oscillometer Generally the voltage is lower than 11V for the bad cell battery but it is po...

Страница 102: ...for test results The tolerance results from the resistance of connectors The greater the resistance value is the greater the tolerance becomes But generally the tolerance does not affect the test con...

Страница 103: ...hich 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 th...

Страница 104: ...d 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 It only applies if the Sc...

Страница 105: ...tc See the packing list attached to the product for the detailed accessories Table 12 2 Accessory checklist No Name Picture 1 BNC to 4mm Test Leads Test lead of a male BNC connector to 2 4mm connector...

Страница 106: ...able Connects the Scopebox and diagnostic tool so that the sampled signal can be displayed on the diagnostic tool 4 Power adaptor To supply power to the Scopebox through connection to AC outlet 5 Batt...

Страница 107: ...ng high voltage line near which has an attenuator equipped for high pressure attenuation to prevent the Scopebox from being impacted Notes 1 The high voltage clip should be clamped on the insulated le...

Страница 108: ...all circuit boards 12 3 Connection Initial Use 12 3 1 Probe Compensation Perform this function to match the characteristics of the probe optional and the channel input The probe that has not been comp...

Страница 109: ...to check whether the signal input output of other Channels are normal or not Check the shape of the displayed waveform to determine whether the probe is correctly compensated Correctly Compensated Ove...

Страница 110: ...he other two terminals to the vehicle s battery Red to and Black to respectively 2 Connect the B shaped terminal of the USB cable to the Scopebox USB port and the other end to the USB port of the diag...

Страница 111: ...C While testing Secondary direct ignition analysis 3 When the high voltage wire is exposed plug the BNC end of secondary ignition pickup into CH1 CH2 CH3 CH4 channel of Scopebox then connect the high...

Страница 112: ...lip to high voltage line and crocodile clips to ground The connection is as follows Fig 12 5 For detailed operations please refer to Chapter 13 12 3 3 Initial interface introduction Fig 12 6 displays...

Страница 113: ...and vertical scale factors of the channels A B icon indicates that the channel is bandwidth limited 2 Working mode 3 Horizontal trigger position marker 4 Edge trigger level marker 5 Displays the trig...

Страница 114: ...s File Provides save snapshot snapshot manager waveform record and waveform replay View Calibration and display settings are available Measure Includes signal source measurement horizontal measurement...

Страница 115: ...12 8 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...

Страница 116: ...some settings directly by tapping or next to options Fig 12 9 Options descriptions Menu Comments Settings Channel To select the channel source Volts DIV It is defined as Volts Division and mainly use...

Страница 117: ...ge trigger determines whether 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...

Страница 118: ...omments 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...

Страница 119: ...s to display the signal It automatically adjusts the vertical and horizontal scaling as well as the trigger coupling position slope level and mode settings 12 4 3 View Settings 1 Calibration This opti...

Страница 120: ...play The reference function will be available after saving the selected waveform to non volatile memory Tap and then REF to enter the REF setting screen Fig 12 12 Tap or to select the desired referenc...

Страница 121: ...nwards 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 15 will appear F...

Страница 122: ...save 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...

Страница 123: ...e 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...

Страница 124: ...d 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 som...

Страница 125: ...inder in specified time each cylinder has its independent ignition coil 3 Simultaneous ignition system two cylinders share one ignition coil when two cylinder pistons reach top dead center at the same...

Страница 126: ...3 V 6 engine generally speaking based on the person sitting on the driver cab if the right side cylinder numbers on the right side from the front to the back are as follows 1 3 5 and the cylinder num...

Страница 127: ...tion voltage pulse For the charge and discharge sections 5 Spark line The inductance discharge process i e the mutual inductance voltage of ignition coil maintains the conduction of secondary circuit...

Страница 128: ...n analysis The following connection should be made before performing it 1 Power the Scopebox on Power is provided to the Scopebox in either of the following ways Power adaptor Insert one end of the po...

Страница 129: ...ows 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...

Страница 130: ...Scopebox USB port and the other end to the USB port of the diagnostic tool 3 When the high voltage wire is exposed plug the BNC end of secondary ignition pickup into CH1 CH2 CH3 CH4 channel of Scopebo...

Страница 131: ...on off of primary circuit is not opening closing of mechanical contact but the conduction of transistor The primary voltage has no obvious oscillations within the duration but the voltage increases d...

Страница 132: ...ustion 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 wa...

Страница 133: ...tence of spark plug and the air fuel ratio of each cylinder In case that the mixing ratio is too lean the combustion voltage will be lower than normal value Combustion line Observe the spark or the co...

Страница 134: ...the primary voltage waveform shown on Fig 13 7 the damped attenuation cycles obviously reduced on the spark period the amplitude became lower which is evidently caused by capacitor leakage Fig 13 7 T...

Страница 135: ...it 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...

Страница 136: ...LAUNCH X 431 PAD III User Manual 127 failures Fig 13 12 just shows the major possible factors for the failures...

Страница 137: ...LAUNCH X 431 PAD III User Manual 128 Fig 13 12...

Страница 138: ...Code page the files will be listed under Diagnostic Report tab Fig 14 1 To select certain report check the box before the report To select all reports tap Select All To deselect all tap Unselect To s...

Страница 139: ...LAUNCH X 431 PAD III User Manual 130 Fig 14 2 Tap the desired one to enter Fig 14 3 Select the desired data stream items and tap Confirm to jump to the playback...

Страница 140: ...nce it is in frame playback mode this button changes into Auto Playback Remote Diagnostic Report lists all diagnostic reports generated in process of remote diagnosis 14 2 VCI This option allows you t...

Страница 141: ...g the operation 14 3 VCI Management Only for Commercial Gasoline Diesel Version This option is used to set the communication method between the X 431 PAD III and the VCI module Fig 14 5 Note For detai...

Страница 142: ...ivate to activate it For details on how to obtain Activation Code tap the link below to get help 14 5 Firmware Fix Use this item to upgrade and fix diagnostic firmware During fixing please do not cut...

Страница 143: ...gin password 14 8 Settings It enables you to make some application settings and view software version information etc 14 8 1 Units of Measurement It is designed to configure the measurement unit Metri...

Страница 144: ...PAD III and the Wi Fi printer sold separately while performing printing operations Follow the steps below to connect the printer 1 Tap Printer Set Fig 15 2 A If it is the first time you have operated...

Страница 145: ...not required and then tap Confirm 4 Once the Wi Fi network of the printer is connected and the printer is found tap Printing test to test the printing Now you can use the Wi Fi printer to print If th...

Страница 146: ...14 8 5 Clear Cache This item is used to clear the App cache Tap Clear Cache a pop up window will appear on the screen Tap OK to clear cache and the system will restart the App 14 8 6 Login Exit from c...

Страница 147: ...account type 4 Input the password tap Next Note If Manual setup is selected please consult your email service provider for detailed parameter setting 5 Follow the on screen instructions to proceed un...

Страница 148: ...from trusted sources 15 3 TeamViewer TeamViewer is a simple fast and secure remote control interface which enables you to receive remote support from technician fellows colleagues or friends by allowi...

Страница 149: ...Deny to reject For more information please refer to the associated TeamViewer documents 15 4 System OTA Upgrade An Over the Air OTA update is the wireless delivery of new operating system software or...

Страница 150: ...For additional information on Facebook please refer to the associated Facebook documents 15 6 Wallet Wallet App is a point token management application tailored for healthy vehicle maintenance Those w...

Страница 151: ...and then inform the car owner to scan it to register Fig 15 4 Approach 3 Optimize the diagnostic reports Tap Reward for optimized report in User Info and then tap Optimize report to fill in the fault...

Страница 152: ...to the main menu screen of the Wallet App to check the tokens 15 6 4 How to Backup Wallet Tokens 1 If no Wallet App is installed on the device the system will prompt you to download the App before per...

Страница 153: ...LAUNCH X 431 PAD III User Manual 144 Fig 15 6 2 Tap Manage Wallets Fig 15 7 3 Tap Export Keystore...

Страница 154: ...and download manager Another excellent feature is support for cloud storage accounts This means you can download files directly to the folders you want without using a separate app The app has built...

Страница 155: ...AD III User Manual 146 1 Use the USB cable to connect the tablet and a computer 2 Swipe the screen from the top tap USB connected 3 Tap TURN ON USB STORAGE Now you can copy files between the tablet an...

Страница 156: ...een backed up 3 How to do if the system runs slow In this case please do the followings Check all running applications and stop the unnecessary applications Steps Settings Apps Running Tap the desired...

Страница 157: ...nd to use one of the VCI devices to diagnose or test a vehicle just switch to the corresponding VCI device 6 How to update the APK and diagnostic software 1 On the Home screen tap Software Upgrade 2 T...

Страница 158: ...email on your network Note Once WLAN is set as ON the tablet will consume more power While WLAN keeps unused please turn it off to conserve battery power 1 On the Home screen tap Settings Wi Fi 2 Tap...

Страница 159: ...LAUNCH X 431 PAD III User Manual 150 3 Input product S N and follow the on screen prompts to retrieve the password...

Страница 160: ...thority 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 expresse...

Страница 161: ...s without notice The actual object may differ a little from the descriptions in the manual in physical appearance color and configuration We have tried our best to make the descriptions and illustrati...

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