LAUNCH TECH X-431 PAD V Manual
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LAUNCH TECH X-431 PAD V Manual

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Version: V1.00.000
Revised date: Feb-27-2018
LAUNCH 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 and reserve the right to pursue their legal liabilities.

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Summary of Contents for LAUNCH TECH X-431 PAD V

  • Page 1 Version: V1.00.000 Revised date: Feb-27-2018 LAUNCH 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 and reserve the right to pursue their legal liabilities.
  • Page 2 LAUNCH X-431 PAD V User's Manual WARNING SYMBOLS AND DEFINITIONS Read all safety warnings and instructions. This safety alert symbol is used to alert you to potential injury hazards. Obey all safety *Note: Failure to follow the warnings and instructions may result in messages that follow this symbol to avoid electric shock, fire and/or serious injury.

  • Page 3: Table Of Contents

    1.3 Technical Specifications ..............2 when necessary. 13. Keep clothing, hair, hands, tools, test equipment, etc. away from 2 Knowledge of X-431 PAD V ............3 all moving or hot engine parts. 2.1 X-431 PAD V Tablet ............... 4 14. Store the tool and accessories in a locked area out of the reach of 2.2 Docking Station (Optional).............
  • Page 4 LAUNCH X-431 PAD V User's Manual 5.1.1 Preparation ................16 5.5.1 Interface Layout ..............34 5.1.2 DLC Location ............... 16 5.5.2 Add Friends................34 5.1.3 Vehicle Connection (For Passenger Vehicle Version) ..16 5.5.3 Start Instant Messaging ............35 5.1.3 Vehicle Connection (For Commercial Vehicle Version/Diesel 5.5.4 Launch Remote Diagnosis (Device-To-Device) ....
  • Page 5 LAUNCH X-431 PAD V User's Manual 6.12.2 Shop Information ............... 44 7.4.3 Secondary-direct ignition analysis ........77 6.12.3 Printer Set ................45 7.4.4 Waveform analysis mode ............ 78 6.12.4 Clear Cache ............... 46 7.5 Videoscope (Optional) ..............81 6.12.5 About.................. 46 7.5.1 Introduction ................

  • Page 6: Introduction

    1.1 Product Profile • Maintenance & Reset: All kinds of common maintenance and X-431 PAD V is an evolutionary smart solution for specialized reset items including Oil lamp reset, DPF regeneration, ABS automotive diagnosis and maintenance. It inherits from LAUNCH’s bleeding can be done.

  • Page 7: Technical Specifications

    LAUNCH X-431 PAD V User's Manual 1.3 Technical Specifications B. VCI Device A. X-431 PAD V Tablet Item Description Item Description Working voltage DC 9V ~ 36V Operating system Android 7.1 Battery 500mAh 8-core processor, 2GHz Memory 256MB Display 10.1 inch capacitive touch screen with...

  • Page 8: Knowledge Of X-431 Pad V

    2 Knowledge of X-431 PAD V There are three main components to the X-431 PAD V system: • X-431 PAD V Tablet -- the central processor and monitor for the system (For details, please refer to Chapter 2.1.) Fig. 2-3 Fig.

  • Page 9: Pad V Tablet

    LAUNCH X-431 PAD V User's Manual 2.1 X-431 PAD V Tablet Table 2-1 formulates ports and indicators of X-431 PAD V tablet: Name & Descriptions Memory Card Slot -- To store the memory card for storage expansion. Type C Charging Port -- Reserved for charging the X-431 PAD V tablet.

  • Page 10: Docking Station (Optional)

    X-431 PAD V User's Manual 2.2 Docking Station (Optional) Fig. 2-6 Docking Station Table 2-3 formulates ports of X-431 PAD V docking station Fig. 2-5 Rear view Name & Descriptions Table 2-2 formulates parts of X-431 PAD V tablet (rear): Charging Slot -- To charge the tablet.

  • Page 11: Vci Device

    OBD II extension cable to read the vehicle data vehicle’s OBDII DLC. and then send it to the X-431 PAD V handset via Wi-Fi or data cable. LED Indicators -- It is defined as follows: • Power: It illuminates solid red when the module is powered on.

  • Page 12: Accessory Checklist

    Cigarette Lighter diagnostic software, testing connectors) may vary. Please consult from Cable (To supply power to non-16pin the local agency or check the package list supplied with X-431 PAD V dongle via vehicle’s cigarette together. lighter receptacle.) Table 2-5 -- X-431 PAD V common accessories and descriptions...
  • Page 13 LAUNCH X-431 PAD V User's Manual OBD I Adaptor (A adaptor cable for connecting non-16 pin dongle.) Password Envelope (A piece of paper bearing Product S/N and Activation Code, which is required for your registration.) Non-16pin (Optional) Connector Kit...

  • Page 14: Preparations

    LAUNCH X-431 PAD V User's Manual 3 Preparations B. Charging with the Docking Station 1. Locate the charging slot on the 2. Align the charging slots, and 3.1 Charging X-431 PAD V bottom of the tablet and docking then dock the tablet into the station.

  • Page 15: Locator & Navigation Buttons

    LAUNCH X-431 PAD V User's Manual 3.3 Locator & Navigation Buttons 3.4 Wi-Fi Setup The tablet has dual built-in Wi-Fi communication modules. One is used to communicate with the tablet, and the other allows the tablet to get online. Once you’re online, you can register your tool, update diagnostic software &...

  • Page 16: Initial Use

    On the home screen, tap the application icon to launch it, and then tap “Login” to enter the login interface. 4.1 Getting Started For new users, please follow the operation chart shown in Fig. 4-1 to get familiar with and start using X-431 PAD V. Tap “Diagnose” Is VCI Fig. 4-2...
  • Page 17 LAUNCH X-431 PAD V User's Manual “Register”, a screen similar to the following will appear: Fig. 4-5 *Note: For detailed backup process, please refer to Chapter 8.6. Fig. 4-4 3. Activate VCI: After registering a wallet account, the system 2. Register Wallet: Input the password for the Wallet (An 8-20 mixture...

  • Page 18: Function Modules

    LAUNCH X-431 PAD V User's Manual *Note: The X-431 PAD V 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.

  • Page 19: Vehicle Menu Layout

    LAUNCH X-431 PAD V User's Manual To manage VCI, diagnostic reports & records, This option aims to help repair shops or User Info change password, configure Wi-Fi printer, technicians launch instant messaging and Remote Diagnose sample data and logout / login etc.

  • Page 20: Diagnostics Toolbar

    X-431 PAD V User's Manual History Button: Generally once a vehicle diagnosis is performed, X-431 PAD V will record the every details of diagnostic process. This function provides a quick access to the previously tested vehicles. Testing can be resumed from the previous operation without starting from scratch.

  • Page 21: Start Diagnostics

    A. Power adaptor: Connect one end of the included power adaptor label should be there telling location. For some Asian and European to Power interface of X-431 PAD V tablet, and the other end to vehicles, the DLC is located behind the ashtray and the ashtray must AC outlet.

  • Page 22: Vehicle Connection (For Commercial Vehicle Version/Diesel & Gasoline Version)

    X-431 PAD V User's Manual B. Internal battery pack: For details on how to recharge X-431 PAD Battery clamps cable To vehicle's battery V, see “Chapter 3.1 Charging X-431 PAD V”. For non-OBDII vehicle, proceed as follows: VCI device OBD I adaptor Non-16pin adaptor 1.

  • Page 23: Communication Setting

    VCI device OBD II extension cable Non-16pin adaptor communication. When all communication methods are applied at the same time, the X-431 PAD V system will use the USB communication as the default priority. To vehicle's DLC 5.3 Start Diagnostics Fig. 5-4 On the Diagnostics page, tap “Intelligent Diagnose”...
  • Page 24 LAUNCH X-431 PAD V User's Manual Follow the steps below to proceed. • In case the handset failed to identify it, tap to enter it manually. 1. Tap “VIN SCAN” to enter Fig. 5-4. *Note: In general, vehicle identification numbers are standardized - all contain 17 characters.
  • Page 25 LAUNCH X-431 PAD V User's Manual Fig. 5-9 Input the VIN, and tap “OK” to start decoding the vehicle VIN. 1. If the VIN can be found from the server database, a screen similar to Fig. 5-10 displays: Fig. 5-11 •...

  • Page 26: Manual Diagnosis

    LAUNCH X-431 PAD V User's Manual Fig. 5-12 listed on the screen. ) • Tap “Diagnostic” to launch the Local Diagnosis module and start a new diagnostic session. Refer to Chapter 5.3.2 for detailed diagnostic operations. • Tap “Scan VIN”, a screen similar to the following appears: Fig.
  • Page 27 LAUNCH X-431 PAD V User's Manual 5.3.2.1 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.
  • Page 28 LAUNCH X-431 PAD V User's Manual required information, and then tap “OK”. Note: To facilitate the comparison of the pre-repair and post-repair reports and get accurate test result, please make sure you saved the right type of the diagnostic report.
  • Page 29 LAUNCH X-431 PAD V User's Manual Compare Results: Tap to select the pre-repair report to compare. By 5.3.2.2 System Scan comparison of the pre- and post- repair reports, you can easily identify This option allows you to quickly scan which systems are installed on which DTCs are cleared and which remain unfixed.
  • Page 30 LAUNCH X-431 PAD V User's Manual A. Version Information This function is used to read the version information of system mode, vehicle VIN, software and ECU. In Fig. 5-25, tap “Version Information”, the screen displays as follows: Fig. 5-26 Fig. 5-24 Tap “OK”...
  • Page 31 LAUNCH X-431 PAD V User's Manual currently existing trouble code. *Note: Retrieving and using DTCs for troubleshooting vehicle operation is only one part of an overall diagnostic strategy. Never replace a part *Note: After clearing, you should retrieve trouble codes once more or turn based only on the DTC definition.
  • Page 32 LAUNCH X-431 PAD V User's Manual On-screen Buttons: • Value – this is the default mode which displays the parameters in texts and shows in list format. Select All: Tap it to select all items of the current page. To select certain data stream item, just check the box before the item name.
  • Page 33 LAUNCH X-431 PAD V User's Manual will display/remove the waveforms corresponding to these items immediately. Fig. 5-31 • Combine: This option is mostly used in graph merge status for data comparison. Fig. 5-33 Select Sample DS: Tap it to select the sample DS file, the values you customized and saved in process of DS sampling will be imported into the “Standard Range”(See below) column for your comparison.
  • Page 34 This option is used to access vehicle-specific subsystem and component tests. Available test vary by vehicle manufacturer, year, and model. During the actuation test, the X-431 PAD V handset outputs commands to the ECU in order to drive the actuators, and...

  • Page 35: Maintenance Reset

    “Completed” displays. Follow the instructions on the screen to operate 5.4 Maintenance Reset In addition to amazing & powerful diagnostic function, X-431 PAD V also features various service functions. The most commonly performed Select the service mode service functions contain: Select “Reset”...

  • Page 36: Electronic Parking Brake Reset

    LAUNCH X-431 PAD V User's Manual vehicle driving conditions and climate. 5.4.4 ABS Bleeding This function can be performed in the following cases: This function allows you to perform various bi-directional tests to check the operating conditions of Anti-lock Braking System (ABS).

  • Page 37: Immo Service

    LAUNCH X-431 PAD V User's Manual After the engine ECU, crankshaft position sensor, or crankshaft 5.4.8 Injector Coding flywheel is replaced, or the DTC ‘tooth not learned’ is present, tooth Write injector actual code or rewrite code in the ECU to the injector learning must be performed.

  • Page 38: Electronic Throttle Position Reset

    LAUNCH X-431 PAD V User's Manual DPF regeneration may be performed in the following cases: 5.4.14 Sunroof Initialization a) The exhaust back pressure sensor is replaced. This function can set the sunroof lock off, closed when it rains, sliding / tilting sunroof memory function, temperature threshold outside the car b) The PM trap is removed or replaced.

  • Page 39: Remote Diagnosis

    LAUNCH X-431 PAD V User's Manual 5.5 Remote Diagnosis Tap to slide the switch to ON, the X-431 PAD V keeps online and becomes visible on the web This option aims to help repair shops or technicians launch instant WEB Remote client.

  • Page 40: Start Instant Messaging

    LAUNCH X-431 PAD V User's Manual similar to the following: Fig. 5-40 Tap “Add”, a dialog box pops up: Fig. 5-42 Tap the input field and use the on-screen keyboard to enter the text message, and then tap “Send” to send it.

  • Page 41: Launch Remote Diagnosis (Device-To-Device)

    • Throttle should be in a closed position. will be created. Input your comments on this • The X-431 PAD V should be properly connected to the vehicle’s DLC and a report, and then tap “Send Report” to send it successful communication is required.

  • Page 42: Launch Remote Diagnosis (Device-To-Pc)

    LAUNCH X-431 PAD V User's Manual If you need support, just use this option Cancel To cancel this operation. to invite a technician to perform a remote control on your tool. 5.5.5 Launch Remote Diagnosis (Device-To-PC) *Notes: Except that the remote diagnosis can be done between different •...
  • Page 43 LAUNCH X-431 PAD V User's Manual Fig. 5-45 Tap the “Web Remote” tab, the screen displays as follows: Fig. 5-47 3. Tell the partner to input his own official technician account and Fig. 5-46 password, and then tap “Login” to navigate to the following figure.

  • Page 44: Diagnostic History

    Generally once a vehicle diagnosis is performed, X-431 PAD V will synchronized with the latest version.

  • Page 45: Set Frequently Used Software

    Once download is finished, the software packages will be installed Subscription Renewal Card (*need to buy it from the local dealer automatically. where you purchased the X-431 PAD V). 5.7.2 Set Frequently Used software A. Using PayPal To easily locate and quickly update some frequently used software, 1.
  • Page 46 LAUNCH X-431 PAD V User's Manual 1) Tap “Choose File” to open the target folder and choose the desired diagnostic logs. 2) Choose the failure type and fill in the detailed failure description in the blank text box and telephone or email address. After inputting, tap “Submit Result”...

  • Page 47: User Info

    LAUNCH X-431 PAD V User's Manual 6 User Info If user records the running parameters while reading data stream, it will be saved as .x431 file and appear under Diagnostic Record tab. 6.1 My Report This option is used to view, delete or share the saved reports.

  • Page 48: Vci

    LAUNCH X-431 PAD V User's Manual On-screen Buttons: Graph – displays the parameters in waveform graphs. Value – this is the default mode which displays the parameters in texts and shows in list format. Combine – this option is mostly used in graph merge status for data comparison.

  • Page 49: Firmware Fix

    LAUNCH X-431 PAD V User's Manual Input the Serial Number and Activation Code, and then tap “Activate” • Tap the user image to change it. to activate it. • Tap > next to “Free Upgrade Period” to check the due date of all For details on how to obtain Activation Code, tap the link below to get diagnostic software.

  • Page 50: Printer Set

    LAUNCH X-431 PAD V User's Manual Fig. 6-8 A. If it is the first time you have operated this printer, please proceed the following: Fig. 6-7 2. For initial use, you are suggested to reset the printer: Press and After inputting, tap “Save”.

  • Page 51: Clear Cache

    LAUNCH X-431 PAD V User's Manual 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 “Printing test” to test the printing. Now you can use the Wi-Fi printer to print!

  • Page 52: Toolbox

    0~15KHz Square-wave signal duty ratio 10%~90% 7.1 Sensorbox & Multimeter (Optional) 7.1.1 Product summary Multimeter X-431 PAD V provides an optional function of automotive sensor Parameters Scope simulation test. “Sensor” function is specially designed to diagnose Precision ±5% and simulate vehicle sensor faults quickly and conveniently, including “DC voltage simulation”, “Fixed frequency simulation”, “Predefined...

  • Page 53: Structure And Accessories

    LAUNCH X-431 PAD V User's Manual 7.1.2 Structure and Accessories Connect to power supply through the Power Interface power adaptor. 7.1.2.1 Sensorbox structure Common terminal of multimeter VΩHz Testing terminal of multimeter 7.1.2.2 Sensorbox accessories The Sensorbox accessories include sensor test cable, probe etc. For detailed items, please see the packing list.

  • Page 54: Sensor Simulation

    LAUNCH X-431 PAD V User's Manual 7.1.3 Sensor Simulation 7.1.3.1 Connections 1. Firstly, power on the diagnostic tool. Power adapter 2. Connect the B-shaped terminal of data cable to the B-shaped port of the Sensorbox, and the other end to the Data I/O port of the To supply power to the diagnostic tool.
  • Page 55 LAUNCH X-431 PAD V User's Manual launch Maximus 3.0 application and enter the function menu interface, then tap “Sensor” to enter the test selection screen. Fig. 7-3 Tap the setting option tab, then tap “+” or “-” to adjust the output,After Fig.
  • Page 56 LAUNCH X-431 PAD V User's Manual 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)”, the right screen will display the waveform of the sensor.
  • Page 57 LAUNCH X-431 PAD V User's Manual Fig. 7-7 Fig. 7-8 button to perform simulation test. Button descriptions: ]: Save the current waveform. 4. Hand-painted waveform simulation ]: Loads the previously saved hand-drawn waveform. This option offers great convenience for users to simulate special waveform or fault wave.

  • Page 58: Multimeter

    LAUNCH X-431 PAD V User's Manual among the ports of sensor in order to determine whether open- circuit / contact fault exists or not. • When checking if there is a short in the line, please disconnect the CEU and the relevant sensor, then measure the resistance value of the ports between the connected port and the vehicle body.
  • Page 59 LAUNCH X-431 PAD V User's Manual from the left. Independent testing: Unplug the wire connector of coolant temperature sensor, then remove ]: Reduces the range and zoom in the waveform. the sensor from the engine; place the sensor into a breaker with water ]: Increase the range and zoom out the waveform.

  • Page 60: Batterybox (Optional)

    LAUNCH X-431 PAD V User's Manual 7.2 Batterybox (Optional) Society of Automotive 100～1700 Engineers 7.2.1 Product Summary Maximus 3.0 provides an optional function of automotive battery 7.2.2 Test Environment test, which adopts the latest state-of-the-art conductance testing technology in the world and can test vehicle’s battery status. Two 7.2.2.1 Test environment...

  • Page 61: Batterybox Structure And Test Accessories

    LAUNCH X-431 PAD V User's Manual Below describes the ports and indicators for the Batterybox. Stands for low battery. The battery is good Good-recharge itself. Name Descriptions It is better for a few batteries to be fully It keeps solid red after the Scopebox is...
  • Page 62 LAUNCH X-431 PAD V User's Manual end to the Data I/O port of the diagnostic tool. This connection applies *Note: The sequences of inside the vehicle and outside the vehicle test to outside the vehicle test and inside the vehicle.
  • Page 63 LAUNCH X-431 PAD V User's Manual following figure. Users can adjust capacity size by tapping on < or > ]: Tap it to perform the charging system and starting system test. or by dragging the slider on the bar. ]: Tap to test it again.

  • Page 64: Precautions On Battery Test

    LAUNCH X-431 PAD V User's Manual 7.2.4.3 Outside the vehicle test the signals of starting and charging voltage and observe it on an oscillometer. It only applies to battery test and detecting floating electricity will be ignored while performing battery test.

  • Page 65: Oscilloscope (Optional)

    LAUNCH X-431 PAD V User's Manual 7.3 Oscilloscope (Optional) *Notes: 1. Battery poles inside the vehicle are enveloped by connectors, which 7.3.1 Introduction may produce some errors for test results. The tolerance results from the resistance of connectors. The greater the resistance value is, the greater The Scopebox is an optional add-on module of Maximus 3.0, including...

  • Page 66: Structure & Accessories

    LAUNCH X-431 PAD V User's Manual 7.3.2 Structure & Accessories (*It only applies if the External trigger signal External trigger Scopebox failed to trigger the signal itself.) 7.3.2.1 Scopebox structure Connect to the diagnostic tool via data B-shaped data I/...
  • Page 67 LAUNCH X-431 PAD V User's Manual Name Description Data Cable Connects the Scopebox and diagnostic tool so that the sampled signal can be displayed on the diagnostic tool. Test lead of a male BNC connector to (2) 4mm connectors. It is a kind of special line...
  • Page 68 LAUNCH X-431 PAD V User's Manual BNC Connector Insulated Lead Crocodile Clip Earth Cord High-voltage Clip COP (Coil-on- This ignition pick-up is applied in the Plug) Extension following situations: Secondary-distributor Cord Coil-on-Plug Extension Cord ignition analysis, Secondary-simultaneous Coil-on-Plug extension cord (including...

  • Page 69: Connection & Initial Use

    LAUNCH X-431 PAD V User's Manual Probe Compensator They are mainly used for piercing the Back Probe Pins Ground Connector insulation of wires to allow for automotive Suite electrical measurements without causing Fig. 7-21 damage to the wires. Additionally they can 5.
  • Page 70 LAUNCH X-431 PAD V User's Manual BNC to 4mm To avoid electric shock while using the probe, make test lead 6-way breakout lead Black connector sure the insulated cable is perfect, and do not touch the metallic portions to Black socket of the probe head while it is connected with a high-voltage source.
  • Page 71 LAUNCH X-431 PAD V User's Manual High-voltage clips to BNC end of secondary ignition pickup into CH1/CH2/CH3/CH4 channel of Scopebox, and then connect the high-voltage clip to high-voltage line high-voltage line, and crocodile clips to ground. The connection is as follows:...

  • Page 72: Operations

    LAUNCH X-431 PAD V User's Manual Horizontal Settings Panel: Controls the time base. Vertical Settings Panel: Controls the amplitude of the displayed signal. User can change the volt/div, coupling and probe attenuation of the CH1/CH2/CH3/CH4. Trigger Settings Panel: Controls the start event of the sweep.
  • Page 73 LAUNCH X-431 PAD V User's Manual There are two ways available for channel selection: Fig. 7-27 A. Select from the channel tab shown at the bottom of the waveform Time/DIV: Horizontal scale. If the waveform acquisition is stopped display area...
  • Page 74 LAUNCH X-431 PAD V User's Manual Coupling: Trigger coupling determines what part of the signal passes Fig. 7-29 to the trigger circuit. AC, DC and Ground are included: 1) If Edge trigger is selected (An edge trigger determines whether the •...
  • Page 75 LAUNCH X-431 PAD V User's Manual Sweep: The sweep mode determines how the Scopebox behaves in 7.3.4.3 View Settings the absence of a trigger event. The Scopebox provides three trigger <1> Calibration modes: Auto, Normal, and Single. This option adjusts the Scopebox’s internal circuitry to get the best •...
  • Page 76 LAUNCH X-431 PAD V User's Manual <2> REF settings 7.3.4.4 Measure Reference waveforms are saved waveforms to be selected for display. <1> Channel source The reference function will be available after saving the selected and then [Source], a screen similar to the following will appear.
  • Page 77 LAUNCH X-431 PAD V User's Manual It can be performed only when the Scopebox is collecting data in Normal mode. , then select [Record] from the pop-up menu to start recording. Fig. 7-34 *Note: If no desired channel is selected, the system will take the current Fig.
  • Page 78 LAUNCH X-431 PAD V User's Manual 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.

  • Page 79: Ignition (Optional)

    LAUNCH X-431 PAD V User's Manual 7.4 Ignition (Optional) The ignition system is the system which has greatest impact on the performances of gasoline engine, as the statistical data shows that nearly half of the failures are caused by poor work of electrical system.
  • Page 80 LAUNCH X-431 PAD V User's Manual 1. Power the Scopebox on: Power is provided to the Scopebox in Figure 7-40 below shows the normal ignition waveform of distributor either of the following ways: ignition system, the upper one is the secondary waveform, and the lower one is the primary waveform.

  • Page 81: Secondary-Simultaneous Ignition Analysis

    LAUNCH X-431 PAD V User's Manual inductance voltage of ignition coil maintains the conduction of two terminals to the vehicle's battery (Red to +, and Black to -) secondary circuit. respectively. 6) Contact point close the current flow into primary coil, the primary 2.

  • Page 82: Secondary-Direct Ignition Analysis

    LAUNCH X-431 PAD V User's Manual mixture gas, which has a lower ionization level and vice versa. 4. If no high-voltage wire is exposed, dismantle ignition coil of tested cylinder. Connect one end of the COP extension cord to the ignition coil which should be grounded via COP earth cord, and insert the other end into the cylinder to joint with spark plug.

  • Page 83: Waveform Analysis Mode

    LAUNCH X-431 PAD V User's Manual on/off of primary circuit is not opening/closing of mechanical contact, This test can provide very meaningful information about the but the conduction of transistor. The primary voltage has no obvious combustion quality for each cylinder. If necessary, this test can also oscillations within the duration, but the voltage increases during the be performed during driving.
  • Page 84 LAUNCH X-431 PAD V User's Manual 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 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.
  • Page 85 LAUNCH X-431 PAD V User's Manual Fig. 7-48 A lot of clutter will be displayed on the horizontal section of primary waveform if contact has poor grounding, as shown below figure 7-49. Fig. 7-49 Fig. 7-50 shows the fault of low-voltage waveform in electronic ignition system.

  • Page 86: Videoscope (Optional)

    LAUNCH X-431 PAD V User's Manual 7.5 Videoscope (Optional) 7.5.1 Introduction Automotive videoscope is mainly applied to those unseen parts of engine, fuel tank, braking system. While testing a vehicle system, engine is one of the main parts to be checked. To check if the internal of a engine is qualified or not or whether internal carbon deposit and damage exists in the engine or not, we can make full use of a videoscope to solve these quesitons.

  • Page 87: About Videoscope

    LAUNCH X-431 PAD V User's Manual 7.5.2 About Videoscope Camera with 4 adjustable LED lights: The camera head is water-resistant and is where you can attach the useful optional accessories (magnet, mirror, hook) add-on. Data cable: Connect it to the diagnostic tool for viewing what the camera captures.

  • Page 88: Connections & Operations

    LAUNCH X-431 PAD V User's Manual Viewable Angle Lens Focal Length More than 50mm Net Weight Approx. 270g 7.5.4 Connections & Operations 1. Insert the data cable into the data I/O port of port of the diagnostic tool. 2. Bend the neck of the flexible tube as desired and extend the camera with adjustable LED lights to some unseen or unreachable parts of engine, hydraulic system, nozzles etc.

  • Page 89: Other Modules

    LAUNCH X-431 PAD V User's Manual 8 Other Modules Advance to the recently visited page. Refresh the current page. 8.1 Email Close the current page. The function allows you to send and receive email. *Note: Before sending or receiving email, you have to set up an email Create a new tab.

  • Page 90: System Ota Upgrade

    LAUNCH X-431 PAD V User's Manual Computer and mobile devices that run TeamViewer are identified by a documents. globally unique ID. The first time the TeamViewer is launched, this ID 8.4 System OTA Upgrade is generated automatically based on the hardware characteristics and will not change later on.

  • Page 91: Wallet

    LAUNCH X-431 PAD V User's Manual Facebook documents. 8.6 Wallet Wallet App is a point (token) management application tailored for healthy vehicle maintenance. Those who share the Wallet App with car owner will be rewarded 1 point (token) when this car owner successfully registered.

  • Page 92: Checking Wallet Tokens

    LAUNCH X-431 PAD V User's Manual 8.6.3 Checking Wallet Tokens Approach 1: Go to “User Info” -> “CDB Token” to check the total token. Fig. 8-6 2. Tap “Manage Wallets”. Fig. 8-5 Tap “Token details” to view how & when to get it.

  • Page 93: File Explorer

    LAUNCH X-431 PAD V User's Manual 8.8 Album This function allows you to take new pictures and manage the picture library (including screenshots). 8.9 Synchronization You can transfer media files and APK between the tablet and a computer. 1. Use the USB cable to connect the tablet and a computer.
  • Page 94 LAUNCH X-431 PAD V User's Manual Appendix - FAQ • Disable GPS function if GPS service is not in use. 5. How to reset the tablet? 1. Communication error with vehicle ECU? *Warning: Resetting may cause data loss. Before doing so, please make sure Please confirm: important data and information has been backed up.
  • Page 95 LAUNCH X-431 PAD V User's Manual *Note: Before registration, please make sure the network is properly 2. To update all software, tap the “All software” tab and tap “Update” connected. on the bottom of the screen to start the download.
  • Page 96 If you have any questions on the operation of the unit, please contact THIS WARRANTY IS EXPRESSLY LIMITED TO PERSONS local dealer, or contact LAUNCH TECH. CO., LTD.: WHO PURCHASE LAUNCH PRODUCTS FOR PURPOSES OF RESALE OR USE IN THE ORDINARY COURSE OF THE BUYER’S Website: www.x431.com...

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