Version: V1.00.000 Revised date: Oct-10-2018 Statement: 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.
LAUNCH X-431 PAD III User Manual Copyright Information Copyright © 2018 by LAUNCH TECH. CO., LTD. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, without the prior written permission of LAUNCH. The information contained herein is designed only for the use of this unit. LAUNCH is not responsible for any use of this information as applied to other units.
LAUNCH X-431 PAD III User Manual the product, read all of the information in this section before using the product. y Never collide, throw, or puncture the tool, and avoid falling, extruding and bending it. y Do not insert foreign objects into or place heavy objects on your device. Sensitive components inside might cause damage. y Do not use the tool in exceptionally cold or hot, dusty, damp or dry environments.
LAUNCH X-431 PAD III User Manual y Do not drive the vehicle and operate the tool 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.
LAUNCH X-431 PAD III User Manual designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation.
LAUNCH X-431 PAD III User Manual TABLE OF CONTENTS 1 INTRODUCTION ............................................................................................... 1 1.1 PRODUCT PROFILE ...................................................................................... 1 1.2 FEATURES ................................................................................................... 1 1.3 TECHNICAL SPECIFICATIONS ........................................................................ 2 1.3.
LAUNCH X-431 PAD III User Manual 4.4 CONNECTIONS ........................................................................................... 24 4.4.1 Preparation ....................................................................................... 24 4.4.2 DLC location ..................................................................................... 24 4.4.3 Vehicle connection (For Passenger Vehicle Version)....................... 24 4.3.
LAUNCH X-431 PAD III User Manual 6.6 GEAR LEARNING ........................................................................................ 67 6.7 IMMO SERVICE ......................................................................................... 68 6.8 INJECTOR CODING ..................................................................................... 68 6.9 BATTERY MAINTENANCE SYSTEM RESET ................................................... 69 6.10 DIESEL PARTICULATE FILTER (DPF) REGENERATION ......
LAUNCH X-431 PAD III User Manual 12 OSCILLOSCOPE (TOOLBOX) ..................................................................... 95 12.1 INTRODUCTION ........................................................................................ 95 12.2 STRUCTURE & ACCESSORIES................................................................... 96 12.2.1 Scopebox structure......................................................................... 96 12.2.2 Scopebox accessories........................................
LAUNCH X-431 PAD III User Manual 14.8.4 About............................................................................................. 138 14.8.5 Clear Cache .................................................................................. 138 14.8.6 Login/Exit from current account.................................................... 138 15 OTHER MODULES ..................................................................................... 139 15.1 EMAIL ................................................
LAUNCH X-431 PAD III User Manual 1 Introduction 1.1 Product Profile Featuring customized Android operating system, 2.0GHz 8-core CPU and 10.1” display screen, X-431 PAD III has functions of vehicle diagnosis, oscilloscope, ignition, sensor, multimeter, browser and battery test etc.
LAUNCH X-431 PAD III User Manual 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 perform remote assistance anywhere etc. It is very helpful to increase productivity and boost shop revenue. y Testable Models: Quick dial to view the vehicle models that the tool covers. 2. Wi-Fi connection and Ethernet connection are supported. 3.
LAUNCH X-431 PAD III User Manual Operating Temp. -10℃ ~ 55℃(14 ~131℉) Storage Temp. -20℃ ~ 70℃(-4 ~158℉) 1.3.2 DS401 connector (Only for Passenger Vehicle Version) Working Voltage DC 9V ~ 18V Working Temp. -10℃ ~ 55℃(14 ~131℉) Storage Temp. -20℃ ~ 70℃(-4 ~158℉) Relative Humidity 20% ~ 90% 1.3.
LAUNCH X-431 PAD III User Manual 2 Knowledge of X-431 PAD III There are two main components to the X-431 PAD III system: y 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 y VCI Device – the device for accessing vehicle data (See Chapter “2.3”). Fig. 2-2 (DS401 Only for Passenger Vehicle Version) Fig.
LAUNCH X-431 PAD III User Manual 2.1 X-431 PAD III Tablet Fig. 2-3 X-431 PAD III tablet 1 Adjustable kickstand Flip out it 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 function. 3 Ethernet port To connect the Ethernet cable for wired network. 4 DC IN Port To connect the included power adaptor.
LAUNCH X-431 PAD III User Manual To adjust the volume. 5 VOLUME +/- Key 6 Reset Switch 7 USB1 Port Only reserved for Micro USB cable. 8 HDMI Port To connect an external projector or monitor with HDMI interface. 9 Memory Card Slot To insert a memory card for memory extension. 10 Earphone Jack In Off mode, press it for 3 seconds to turn the handset on. In On mode: 11 POWER/Screen Lock Key Press it to activate the LCD if the LCD is off. Press it to turn off the LCD if the LCD lights up.
LAUNCH X-431 PAD III User Manual 2.2 DS401 Connector (Only for Passenger Vehicle Version) Fig. 1-2 DS401 connector To connect on vehicle’s OBD2 DLC. 1 OBD-16 diagnostic connector 2 Mini USB port For connecting the USB cable to the tablet to perform vehicle diagnosis. Mode indicator y It illuminates red when the DS401 connector is connected to the vehicle’s DLC. y Blue indicates the DS401 connector is working in Bluetooth mode.
LAUNCH X-431 PAD III User Manual 2.2 VCI Module (Only for Commercial Vehicle/Gasoline & Diesel Version) Compatible with Passenger & Commercial vehicles, the VCI module works as a vehicle communication interface device. It is used to read 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 VCI module 1 Diagnostic socket: For connecting the diagnostic cable.
LAUNCH X-431 PAD III User Manual and flashes. Otherwise, it will not illuminate. y Power: It illuminates solid red when the module is powered on. y Bluetooth: Blue indicates the module is working in Bluetooth mode. y USB: It lights up when the module is connected to the diagnostic tool via USB cable. y Wi-Fi: It lights up when the module works as a Wi-Fi hotspot or wireless adaptor. USB port: For connecting it to the handset via USB cable to perform vehicle diagnosis. 4 2.
LAUNCH X-431 PAD III User Manual 7 BMW F chassis line 1 8 Micro-USB cable For connecting the DS401 connector to the tablet to perform vehicle diagnosis. 1 9 Password envelope A piece of paper bearing Product S/N and Activation Code, which is needed for product registration. 1 10 Ethernet crossover cable 11 Non-16pin adaptor cable kit 1 Optional. For connecting to Non-OBD II vehicle DLC.
LAUNCH X-431 PAD III User Manual 3 Initial Setup 3.1 Charging X-431 PAD III *Notes: • Only use the included power adaptor to recharge the tablet. Use of any other adaptor will damage the tool. We assume no responsibility for damage or loss resulting from using other similar adaptors other than the specified one. • Always charge on a non‐flammable surface in a well‐ventilated area. To check the battery power level, press and hold the Power button about 3 seconds to turn on the tablet.
LAUNCH X-431 PAD III User Manual 1 Tap 2 to capture the current screen and all captured Tap screenshots are stored in the Screenshots folder. to visit the official website. shows whether the VCI device is connected properly or not. 3 4 Tap to display a list of applications that are currently running or recently used. To open an application, tap it. To remove an application, swipe it upwards. 5 Tap to jump to the Home screen. 6 Tap to return to the previous screen or exit the application. 3.
LAUNCH X-431 PAD III User Manual 3.6 Network Setup There are 2 kinds of network connection available on the tablet. 3.6.1 Wired Connection Connect the Ethernet crossover cable to the tablet, and the system will directly use the Ethernet connection as the default connection since it provides more stable and faster network speed. 3.6.2 Connect to a Wi-Fi network The tablet has built-in Wi-Fi that can be used to get online.
LAUNCH X-431 PAD III User Manual 4 Getting Started 4.1 Diagnostic Flowchart For new users, please follow the 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 Diagnostic Software 4.2.1 User registration After the tablet is initialized, a screen similar to the following appears.
LAUNCH X-431 PAD III User Manual Fig. 4-2 (If you are a new user, follow A to proceed.) (If you have registered to be a member, go to B to login 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 the information to create a new account (all fields must be completed).
LAUNCH X-431 PAD III User Manual Fig. 4-4 2. Register Wallet: Input the password for the Wallet (An 8-20 mixture of lower/upper case letters, numbers and 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 generated, tap “To Back Up”, and then follow the on-screen instructions to store it. Fig.
LAUNCH X-431 PAD III User Manual 3. Activate VCI: After registering a wallet account, the system navigates to the following screen: Fig. 4-6 In Fig. 4-6, input the Product Serial Number and Activation Code, which can be found in the supplied password envelope. Product SN Product SN Activation code *Note: To exit and activate it later, tap “Skip”. In this case, you can activate your VCI by tapping “Activate VCI” in “Personal Center”. For details, please refer to Chapter 14.4.
LAUNCH X-431 PAD III User Manual *Note: When downloading the diagnostic software or checking for updates, make sure the tablet has a strong Wi‐Fi connection. It may take several minutes to finish it, please be patient to wait. To download and install the software later, tap “No”. In this case, enter the Home screen and tap “Software Upgrade” to download the diagnostic software. B.
LAUNCH X-431 PAD III User Manual through this module. Local Diagnose To diagnose a vehicle manually. Remote Diagnose This option aims to help repair shops or technicians launch instant messaging and remote diagnosis, making the repair job getting fixed faster. Recommend owners bonus token Wallet App is a point (token) management application tailored for healthy vehicle maintenance.
LAUNCH X-431 PAD III User Manual Tablet Setting Configures the system setting of the tablet. Vehicle Coverage To check the vehicle models supported on the X-431 PAD III. Toolbox Includes Camera, Oscilloscope, Ignition, Sensor, Multimeter, Battery etc. Other Modules Includes TeamViewer, Email, Browser, golo business manager and product manual etc. 4.2.
LAUNCH X-431 PAD III User Manual 4 Home Button: Navigates to the Home screen. 5 Search bar: Enables you to use the virtual keyboard to quickly locate the vehicle model. Input the desired vehicle model to start searching. 6 Vehicle model display area 7 Locator & navigation buttons: Refer to Chapter 3.3 for details. 8 VINScan button: Tap it to scan the Vehicle Identification Number (VIN) code of your vehicle. OBD VIN and INPUT VIN are included.
LAUNCH Name X-431 PAD III User Manual Icon Function Home Return to the Home screen. Print Tap to print the current screen. To perform printing, you need to purchase an extra Wi-Fi printer manufactured by LAUNCH separately and then properly configure the wireless 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 diagnostic application. 4.
LAUNCH X-431 PAD III User Manual *Notes: y While using the diagnosis via Bluetooth, the DS401 connector should be paired with the tablet. If no Bluetooth setting is done before diagnostic software is launched, you can also configure it while using the software. y To obtain stable communication, you are strongly recommended to perform the vehicle diagnosis via USB cable. In this case, the USB cable is required to connect the DS401 connector and the tablet. 4.
LAUNCH X-431 PAD III User Manual launched, you can also configure it while using the software. y To obtain stable communication, you are strongly recommended to perform the vehicle diagnosis via USB cable. In this case, the USB cable is required to connect the VCI module and the X‐431 PAD III tablet. y To ensure that the X‐431 PAD III tablet can work with the VCI module via Wi‐Fi communication, a Wi‐Fi configuration is required. Refer to Chapter 4.5.3 for details.
LAUNCH X-431 PAD III User Manual depends on the vehicle’s configuration as follows: y A vehicle equipped with an OBD II management system supplies both communication and 12V power through a standardized DLC. y A vehicle not equipped with an OBD II management system supplies communication through a DLC connection, and in some cases supplies 12V power through the cigarette lighter receptacle or a connection to the vehicle battery. Follow the steps mentioned below to connect OBD II vehicle: 1.
LAUNCH X-431 PAD III User Manual Fig. 4-13 B. Battery Clamps Cable: Connect one end of the battery clamps cable to vehicle’s battery, and the other end to the power jack of OBD I adaptor. Fig. 4-14 4.3.3 Vehicle connection (For Commercial Vehicle/ Gasoline & Diesel Version) The method used to connect the VCI module to a vehicle’s DLC depends on the vehicle’s configuration as follows: A.
LAUNCH X-431 PAD III User Manual Fig. 4-13 *Notes: a). For commercial vehicles, refer to the above connection method to proceed. b). For passenger vehicles, replace the “Non‐16pin connector” with “OBD I adaptor” + “non‐16pin connector (for passenger vehicles)”. Other connections shall also apply. 4.5 Communication Setup (Only for Passenger Vehicle Version) 4.5.1 Pairing up via Bluetooth There are two kinds of ways available for the tablet III to pair with the DS401 connector. 1.
LAUNCH X-431 PAD III User Manual Fig. 4-15 4. Tap the desired DS401 connector to pair and match. By default, the Bluetooth name of the connector is 98********00 (where ***** stands for 8 digits.). 5. If the Bluetooth pair request pops up on the screen, enter the request pin code (default code: 0000 or 1234). 6. Once the connector is paired with the tablet, “Paired” appears and the connector will be shown under the paired device tab.
LAUNCH X-431 PAD III User Manual 4.5.1 Pairing up via Bluetooth Refer to Chapter 4.4.3 Vehicle Connection to connect the tablet and VCI module. 1. Enter Bluetooth setting screen by tapping “Tablet Settings” -> “Bluetooth”, slide the Bluetooth switch to ON and the tablet will start searching for all available Bluetooth devices. Fig. 4-14 2. Tap the desired VCI module to pair and match. By default, the Bluetooth name of the VCI module is 98********00 (where ******** stands for 8 digits). 3.
LAUNCH X-431 PAD III User Manual 4.5.2 USB cable connection The USB cable connection is a simple & quick way to establish communication between the tablet and the VCI module. After properly connecting the USB cable from the tablet to the VCI, the VCI navigation button at the bottom of the screen becomes highlighted, and the USB LED on the VCI module illuminates solid light, indicating the USB connection is successful. *Note: The USB connection provides the most stable and fastest communication.
LAUNCH X-431 PAD III User Manual 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 “PAIR” to start pairing.
LAUNCH X-431 PAD III User Manual Fig. 4-20 5. There are two Wi-Fi communication modes available for the VCI module. y Work as Wi-Fi hotspot: Once enabled, the VCI module and then tablet automatically connect and form a LAN network to make communication. In this case, the tablet cannot surf the Internet. y Work as network adaptor: Once enabled, a Wi-Fi connection dialog box appears: Fig. 4-21 Input the Wi-Fi network name and access password (if the network is encrypted) until it is properly connected.
LAUNCH X-431 PAD III User Manual 5 Diagnosis 5.1 Intelligent Diagnosis (AutoDetect) Through simple Bluetooth communication between the tablet and VCI device, you can easily get the VIN (Vehicle Identification Number) information of the currently identified vehicle. Once the VIN is successfully identified, the system will retrieve it from the remote server and then guide you to vehicle information page without performing the step-by-step manual menu selection.
LAUNCH X-431 PAD III User Manual prompt message box will appear: Fig. 5‐2 Check all the possible reasons of Bluetooth connection failure carefully, and then tap “Confirm”. Fig. 5‐3 If the DS401 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 DS401 connector from the Paired list. Tap “ “, and then tap “FORGET” to unpair it.
LAUNCH X-431 PAD III User Manual Fig. 5‐4 2. After 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 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 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”.
LAUNCH X-431 PAD III User Manual 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. B. If the handset failed to access the VIN information, the screen will display as below: Fig. 5-7 In this mode, you need to input the VIN manually or tap 36 to scan it.
LAUNCH 1) Tap “ X-431 PAD III User Manual “ to launch the VIN recognition module. Fig. 5-8 Place the 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 the record list.
LAUNCH X-431 PAD III User Manual Tap “SKIP” to go to Diagnostics main menu screen. 5.2 Local Diagnosis Tap “Local Diagnosis” to enter the vehicle selection page. Fig. 5-10 2 approaches are provided for you to access the vehicle diagnostic 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 “VINScan”, the screen displays as follows: Fig. 5-11 A.
LAUNCH X-431 PAD III User Manual Tap “Camera Scan”, a screen similar to the following appears: Fig. 5-12 Place the 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 record list.
LAUNCH X-431 PAD III User Manual software. B. INPUT VIN: In this mode, you need to input the VIN manually. In general, vehicle identification numbers are 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 “INPUT VIN” and a screen similar to Fig. 5-14 will appear: Fig.
LAUNCH X-431 PAD III User Manual On-screen Buttons: Testable models: Tap to view the vehicle models that the current diagnostic software covers. Update instruction: Tap to view the optimized items and enhancements. Software introduction: Tap to check the software function list. Note: Tap to read some precautions on using the current diagnostic software. Search Bluetooth: Tap to search for the available VCI Bluetooth connector. *Notes: • No Bluetooth connection is required for DEMO program.
LAUNCH X-431 PAD III User Manual Fig. 5-17 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 and the screen displays as follows: Fig. 5-18 (To stop the system scanning, tap “Pause”.
LAUNCH X-431 PAD III User Manual Once the scanning is complete, a screen similar to 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 diagnostic trouble codes. Fault Report: Tap to view the health report in details. Fig.
LAUNCH X-431 PAD III User Manual On-screen Buttons: Search: 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. 5-21 Input the required information, and then tap “Confirm” to save it. Alternatively you can also set the workshop information in “Personal Center” -> “Settings” -> “Print Information”.
LAUNCH X-431 PAD III User Manual Fig. 5-22 Tap the desired system to advance to 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. 5-17, tap “System Selection”, the screen displays as follows: Fig. 5-23 Swipe the screen from the bottom to view the vehicle system on the next page.
LAUNCH X-431 PAD III User Manual Fig. 5-24 *Note: Different vehicle has different diagnostic menus. A. Version Information This function is used to read the version 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 displays the detailed information of DTC records retrieved from the vehicle’s control system. In Fig.
LAUNCH X-431 PAD III User Manual Fig. 5-26 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 data includes a snapshot of critical parameter values at the time the DTC is set. Help: Tap to view the help information. Related Search: Tap it to search for more information about the current DTC online. Report: To save the current data in text format.
LAUNCH X-431 PAD III User Manual Fig. 5-27 Tap “Yes”, the system will automatically delete the currently existing trouble code. *Note: The trouble code will not disappear until the trouble was completely cleared. D. Read Data Stream This option retrieves and displays live 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 page.
LAUNCH X-431 PAD III User Manual Fig. 5-29 Notes: 1. If the value of the data stream item 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.
LAUNCH X-431 PAD III User Manual Fig. 5-30 Fig. 5-31 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 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 vehicle type, and then the record starting time and ends with .
LAUNCH X-431 PAD III User Manual Help: Tap to view the help information. Graph: Tap it to view the waveform. Fig. 5-32 E. Actuation Test This option is used to access vehicle-specific subsystem and component tests. Available test vary by vehicle manufacturer, year, and model.
LAUNCH X-431 PAD III User Manual Fig. 5-33 Simply follow the on-screen instructions and make appropriate selections to complete the test. Each 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 repair job getting fixed faster. Tap “Remote Diagnosis” on the Home screen, the screen appears blank by default. 5.3.1 Interface layout Fig.
LAUNCH X-431 PAD III User Manual 1 Search bar Directly input the username of the X-431 PAD III to start searching, and then tap the desired one to add it into your friend list. 2 Home button Tap it to navigate to the Home screen. 3 Message tab Once an incoming message reaches, a red dot will appear on the upper right corner of the tab. 4 Contact tab Tap to enter the friend list. 5 Tap to slide the switch to ON, the X-431 PAD III keeps WEB Remote online and becomes visible on the web client.
LAUNCH X-431 PAD III User Manual Fig. 5-35 Tap “Add”, a dialog box pops up: Fig. 5-36 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 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. 5.3.
LAUNCH X-431 PAD III User Manual Fig. 5-37 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. 5-38 File: Choose diagnostic reports or local files to send. Picture: Choose screenshots or pictures to send. Remote Diagnostic: To start a remote diagnostic session. For details, refer to Chapter 5.3.4. Camera: Open camera to take pictures.
LAUNCH X-431 PAD III User Manual 5.3.4 Launch remote diagnosis (Device-To-Device) The X-431 PAD III handset is allowed to launch remote diagnosis with other diagnostic tools (including but not limited to the X-431 PAD III) of Launch family, which are equipped with this module. * Note: Before performing this operation, please make sure the following no matter which side sends the remote request: y Turn on the vehicle power supply. y Throttle should be in a closed position.
LAUNCH X-431 PAD III User Manual created. Input your comments on this report, and then tap “Send Report” to send it to the partner. If you need support, just use this 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. Invite remote diagnostic assistant y In process of remote diagnosis, tap the send voice message.
LAUNCH Cancel X-431 PAD III User Manual To cancel this operation.
LAUNCH X-431 PAD III User Manual 5.3.5 Launch remote diagnosis (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.
LAUNCH X-431 PAD III User Manual Fig. 5-41 1. Slide the switch “Allow device to be connected to the WEB client remote diagnostic 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 displays as below: *Note: Before processing remote diagnosis, please make sure the tablet is properly connected to the vehicle. Fig.
LAUNCH X-431 PAD III User Manual 3. Tell the partner to input his own official technician account and password, and then tap “Login” to navigate to the following figure. Fig. 5-43 4. Tell the partner to check the box “Serial number” and enter the Serial Number provided by you, and then tap “Start remote 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.
LAUNCH X-431 PAD III User Manual every details of diagnostic process. The History function provides direct access to the previously tested vehicles and users can resume from the last operation, without the necessity of starting from scratch. Tap “Diagnostic History” on the Home screen, all diagnostic records will be listed on the screen in date sequence. Fig. 5-44 • Tap certain vehicle model to view the details of the last diagnostic report.
LAUNCH X-431 PAD III User Manual 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.
LAUNCH X-431 PAD III User Manual Fig. 5-47 Select the check box and tap “Submit”. A screen similar to the following will appear: Fig. 5-48 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” to send it to us. B). Tap “History”, the diagnostic logs marked with different color indicate the process status of the diagnostic feedback.
LAUNCH X-431 PAD III User Manual 6 Special (Reset) Function (Only for Passenger Vehicle/Gasoline & Diesel Version) In addition to amazing & powerful diagnostic function, X-431 PAD III also features various service functions.
LAUNCH X-431 PAD III User Manual Figure 6-1 6.1 Oil Reset Service This function allows you to perform reset for the engine oil life system, which calculates an optimal oil life change interval depending on the vehicle driving conditions and climate. This function can be performed in the following cases: 1. If the service lamp is on, you must provide service for the car.
LAUNCH X-431 PAD III User Manual 6.3 Steering Angle Calibration To reset the steering angle, first find the relative zero point position for the car to drive in straight line. Taking this position as reference, the ECU can calculate the accurate angle for left and right steering.
LAUNCH X-431 PAD III User Manual learning for the car. After tooth learning is successful, the MIL turns off. After the engine ECU, crankshaft position sensor, or crankshaft flywheel is replaced, or the DTC 'tooth not learned' is present, tooth learning must be performed. 6.7 IMMO Service An immobilizer is an anti-theft mechanism that prevents a vehicle’s engine from starting unless the correct ignition key or other device is present. Most new vehicles have an immobilizer as standard equipment.
LAUNCH X-431 PAD III User Manual 6.9 Battery Maintenance System Reset This function enables you to perform a resetting operation on the monitoring unit of vehicle battery, in which the original low battery fault information will be cleared and battery matching will be done. Battery matching must be performed in the following cases: a) Main battery is replaced.
LAUNCH X-431 PAD III User Manual 7 Software Update If you did not download the software in process of product registration or a pop-up message prompting you that some new software can be updated, you may use this option to download it or keep it synchronized with the latest version. Tap “Software 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.
LAUNCH X-431 PAD III User Manual 8 golo Business Manager This module is an individual business management application specially developed for repair shops. Before using it, you need to download the application and register a golo business account.
LAUNCH X-431 PAD III User Manual Fig. 8-2 Fill in the required items: y To upload the shop picture, tap the + logo to choose the desired photo. y To locate company address, tap the GPS location icon to obtain it automatically. y 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 menu screen. B.
LAUNCH X-431 PAD III User Manual 9 Sensorbox (Toolbox) 9.1 Product Summary X-431 PAD III provides an optional function of automotive sensor simulation test. “Sensor” function is specially designed to diagnose and simulate vehicle sensor faults quickly and conveniently, including “DC voltage simulation”, “Fixed frequency simulation”, “Predefined waveform simulation” and “Hand-painted waveform simulation”.
LAUNCH X-431 PAD III User Manual Voltage test Testing range DC-400V~+400V Input impedance 10Mohm Resistance test Testing range 0~40Mohm Frequency test Testing range 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 PAD III sensorbox No. Name Description 1 Data receiving LED Indicator (green) for receiving data from the diagnostic tool.
LAUNCH X-431 PAD III User Manual 3 Power LED It keeps steady on (red) after the sensorbox is powered on. 4 Type-B USB port Connect the Sensorbox to the diagnostic tool with USB cable. 5 Power connector Connect to power supply through the power adaptor. 6 COM Common terminal of multimeter 7 VΩHz 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.
LAUNCH X-431 PAD III User Manual through connection to AC outlet. 5 Battery clamps cable To supply power to the Sensorbox through connection to vehicle's battery. 6 Electronic control converting cable 1 7 Electronic control converting cable 2 9.3 Sensor Simulation 9.3.1 Connections 1. 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.
LAUNCH X-431 PAD III User Manual converting cable. *Note: Choose corresponding cables and test probes according to different terminals. 9.3.2 Simulation test Simulation test enables users to exactly judge if the sensor is good or not to avoid replacing components blindly. For example, the trouble code 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.
LAUNCH X-431 PAD III User Manual 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 Fig. 9-2, tap “Fixed frequency simulation” to enter a screen similar to Fig. 9-3. Fig. 9-3 Tap the setting option tab, then tap “+” or “-” to adjust the output. After setting, tap to perform the test. 3.
LAUNCH X-431 PAD III User Manual Fig. 9-4 Here, tap button, a screen similar to Fig. 9-5 will appear. Fig. 9-5 In Fig. 9-5, the left setting column stands for sensor types and the right area displays waveform.
LAUNCH X-431 PAD III User Manual 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. Fig. 9-7 In Fig. 9-7, tap button to perform simulation test. 4. Hand-painted waveform simulation This option offers great convenience for users to simulate special waveform or fault wave.
LAUNCH X-431 PAD III User Manual 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 previously saved hand-drawn waveform. [ ]: Clear all hand-drawn waveform.
LAUNCH X-431 PAD III User Manual y 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. If the resistance value is 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.
LAUNCH X-431 PAD III User Manual 10 Multimeter (Toolbox) 10.1 Main Menu Make sure the X-431 PAD III handset and the sensorbox are properly connected (Refer to Chapter 9.3.1 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 and Frequency Test is identical to that of Voltage Test. Here take Voltage test as an example for demonstration.
LAUNCH X-431 PAD III User Manual The following operations can be done: [ ]: Erases the currently displayed waveform and display it starting from the left. [ ]: Reduces the range and zoom in the waveform. [ ]: Increase the range and zoom out the waveform. [ ]: Starts or stops the testing process. 10.
LAUNCH X-431 PAD III User Manual compliant with the standard, then the coolant temperature sensor shall be replaced. (2) Output signal voltage testing for coolant temperature sensor After 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.
LAUNCH X-431 PAD III User Manual 11 Batterybox (Toolbox) 11.1 Product Summary X-431 PAD III provides an optional function of automotive battery test, which adopts the latest state-of-the-art conductance testing technology in the world and can test vehicle’s battery status. Two testing environments (Inside the Vehicle and Outside the Vehicle) are available and applicable to battery test. In addition to battery test, charging system and actuation system test can be done while Inside the Vehicle is selected.
LAUNCH X-431 PAD III User Manual 11.2 Test Environment 11.2.1 Test environment Inside the vehicle test indicates that the battery connects to loading devices, such as engine, etc. After doing battery test, it can perform charging system and actuation system test, which is proceeded as a whole simultaneously. Charging system and actuation system test is not required but must not be performed before battery test.
LAUNCH X-431 PAD III User Manual 11.3 Batterybox Structure & Accessories 11.3.1 Batterybox structure Fig.11-1 Batterybox Below describes the ports and indicators 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 be displayed on the tool. 3 Battery connector Connect the Kelvin clip to battery for battery test. 4 Status LED 11.3.
LAUNCH X-431 PAD III User Manual Fig. 11-3 A/B cable 11.4. Connections & Operations 11.4.1 Connection Connect one end of the USB cable to the B-shaped USB port of the Batterybox, and tighten the captive screws, and then connect the other end to the USB port of the diagnostic tool. This connection applies to outside the vehicle test and inside the vehicle. *Notes: 1.
LAUNCH X-431 PAD III User Manual *Note: The sequences of inside the vehicle and outside the vehicle test are almost 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.
LAUNCH X-431 PAD III User Manual Fig. 11-6 , the system will enter Select testing capacity screen. If JIS is selected, tap 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. 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.
LAUNCH X-431 PAD III User Manual 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 after acceleration was detected, as shown in Fig. 11-9. Fig. 11-9 Tap [OK], test data will be shown on the screen.
LAUNCH X-431 PAD III User Manual The operating time 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 battery voltage, charging voltage, start voltage is 0.
LAUNCH X-431 PAD III User Manual pole. The gear and main body of clip should be fully matched with battery poles. *Notes: 1. Battery poles inside the vehicle are enveloped by connectors, which may produce some errors 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 conclusion. 2. Testing the battery separately generates an exact test result.
LAUNCH X-431 PAD III User Manual 12 Oscilloscope (Toolbox) 12.1 Introduction The Scopebox is an optional add-on module of X-431 PAD III, including automotive oscilloscope and automotive ignition waveform. Automotive oscilloscope can make the auto repair technician quickly judge the faults on automotive electronic equipment and wiring, and the oscilloscope sweep speed is far greater than the signal frequency of such vehicles, usually 5-10 times of the measured signal.
LAUNCH X-431 PAD III User Manual 12.2 Structure & Accessories 12.2.1 Scopebox structure Fig 12-1 Scopebox Structure Diagram Table 12-1 shows the ports and indicators for the Scopebox. No. Name Description 1 Fixed 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 External trigger External trigger signal (*It only applies if the Scopebox failed to trigger the signal itself.
LAUNCH X-431 PAD III User Manual adaptor or battery clamps cable. 9 Communication indicator It blinks in process of data communication. 10 Running indicator It remains steady green after the Scopebox is running. 11 Power indicator It keeps steady red after the Scopebox is powered on. 12.2.2 Scopebox accessories The Scopebox includes the auto test leads, secondary pickup cable for 4-channel oscilloscope, crocodile clips for 4-channel oscilloscope, etc.
LAUNCH X-431 PAD III User Manual connected to the BNC to 4mm Test Lead. With these 6‐way leads, you will be able to test most of the sensors and actuators on all makes and models of vehicle, including MAP, temperature, throttle position and airflow sensors, fuel pumps, primary ignition circuits and fuel injectors. 3 USB cable 4 Power adaptor Connects the Scopebox and diagnostic tool so that the sampled signal can be displayed on the diagnostic tool.
LAUNCH 7 Secondary ignition pick-up X-431 PAD III User Manual This ignition pick‐up is applied in the following situations: Secondary‐distributor ignition analysis, Secondary‐simultaneous ignition analysis and Secondary‐direct ignition analysis.
LAUNCH X-431 PAD III User Manual ignition systems. It can be applied in the condition that there are no, or limited access to any spark plug leads. 9 Multimeter probes 10 Crocodile clips Designed to connect the bare terminals or leads. 11 Back Probe Pins Suite They are mainly used for piercing the insulation of wires to allow for automotive electrical measurements without causing damage to the wires. Additionally they can be used as pin‐tip probes while working with small circuit boards. 12.
LAUNCH X-431 PAD III User Manual reference lead to the ground connector. When using the probe hook-tip, insert the tip onto the probe compensator firmly to ensure a proper connection. Fig 12-2 5. Tap the button located on the bottom of the screen, a square wave (approximately 1kHzm 2V peak-to-peak) will be displayed within several seconds. *Note: The above steps also can be applied to check whether the signal input/output of other Channels are normal or not.
LAUNCH X-431 PAD III User Manual 12.3.2 Connection For different applications, the connection methods may vary. 1. Power the Scopebox on: Power is provided to the Scopebox in either of the following ways: • Power adaptor: Insert one end of the power adaptor into the Power interface of the Scopebox, and the other end to the AC outlet.
LAUNCH X-431 PAD III User Manual the vehicle sensor. B. While testing Secondary-distributor ignition analysis/Secondary-simultaneous ignition analysis, 3. Connect the BNC connector of the secondary ignition pick-up to any channel of the Scopebox, and clamp the crocodile clips and high-voltage clips onto the vehicle ground and high-voltage line respectively. The connection is as follows: Fig. 12-4 For detailed operations, please refer to Chapter 13. C. While testing Secondary-direct ignition analysis, 3.
LAUNCH X-431 PAD III User Manual clip 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 the initial interface of the Scopebox.
LAUNCH X-431 PAD III User Manual Fig. 12-6 No. Descriptions 1 Displays the CH1/CH2/CH3/CH4 information: Readouts show the coupling 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 trigger information, including the edge trigger slope, source and level. 6 Sample rate 7 Horizontal Settings Panel: Controls the time base.
LAUNCH X-431 PAD III User Manual 8 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. 9 Trigger Settings Panel: Controls the start event of the sweep. 10 Channel Selection Button Function Menu [Auto]: It indicates auto trigger setting. [Ref]: There are expert reference and base reference available.
LAUNCH X-431 PAD III User Manual Fig. 12-7 <2> Channel attributes & trigger setting Channel attributes can be set via horizontal settings and vertical settings. Horizontal Settings User can make some settings directly by tapping < or > next to options. Fig. 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.
LAUNCH X-431 PAD III User Manual waveform. When a trigger is set up properly, it can convert unstable displays or blank screens into meaningful waveforms. When the Scopebox starts to acquire a waveform, it collects enough data so that it can draw the waveform to the left of the trigger point. The Scopebox continues to acquire data while waiting for the trigger condition to occur.
LAUNCH BW Limit X-431 PAD III User Manual ON: Limits the channel bandwidth to 20MHz to reduce display noise. OFF: Get full bandwidth. Invert ON: Turn on the invert function. OFF: Restore to the original display of the waveform. Trigger setting Trigger indicates that when certain waveform meets the conditions that are predefined according to the requirements, the Scopebox acquires the waveform and its adjacent section, and then presents it on the screen. Fig.
LAUNCH X-431 PAD III User Manual Normal: This mode allows the Scopebox to acquire a waveform only when it is triggered. If no trigger occurs, the Scopebox keeps waiting, and the previous waveform, if any, will remain on the display. Single: In this mode, it only acquires the waveform that generates for the first time the trigger conditions are met, and then stops after finishing capture. Source Slope High Freq Rejection Select which channel as trigger signal.
LAUNCH Source X-431 PAD III User Manual Select which channel as trigger signal. Condition To select pulse condition. Pulse Width Set required pulse width. High Freq Rejection Reject high frequency signals when selected. 12.4.2 Auto The Scopebox has an Auto feature that sets up the Scopebox automatically to display the input signal in a best fit. , the Scopebox may change the current settings to display the signal.
LAUNCH X-431 PAD III User Manual will be temporarily invalid during calibrating. Tap [Stop] to stop calibrating. Once it becomes active, it indicates calibration has completed. *Note: In process of calibration, make sure CH1/CH2/CH3/CH4 has no signal input. Moreover, calibration may take several minutes and please be patient to wait. <2> REF settings Reference waveforms are saved waveforms to be selected for display.
LAUNCH X-431 PAD III User Manual Fig. 12-14 <2> Horizontal / Vertical measure Horizontal Measure / Vertical Measure are used to measure voltage parameter and time parameter respectively. Drag A line upwards or downwards 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. and then [Horizontal Measure], a screen similar to Fig. 12-15 will Tap appear. Fig.
LAUNCH X-431 PAD III User Manual 12.4.5 File management <1> Save snapshot While viewing sampling data, tap current screen. and then [Save Snapshot] to store the <2> Snapshot manager While viewing sampling data, tap and then [Snapshot Manager] to enter. View, delete and edit operations are supported. <3> Record waveform This function is used to record input waveforms that are acquired by the Scopebox at a specific period, and save it as waveform file which can be recalled in future.
LAUNCH X-431 PAD III User Manual Fig. 12-17 to open the waveform file. Tap Select the file first, and then tap starting the playback and tap to stop it. to Fig. 12-18 To delete the 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.
LAUNCH X-431 PAD III User Manual Fig. 12-19 Tap done: and then [Expert Reference] to enter, the following operation can be : 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.
LAUNCH X-431 PAD III User Manual 13 Automotive Ignition waveform (Toolbox) 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. And the performance tests of engine often start from the ignition system. Nowadays ignition system includes distributor and distributorless. Distributorless includes independent ignition and simultaneous ignition. 1.
LAUNCH X-431 PAD III User Manual 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 diagnostic tool. 3. Plug the BNC end of secondary ignition pickup into CH1/CH2/CH3/CH4 channel of the Scopebox, and connect the high-voltage clip to high-voltage line, and crocodile clips to ground.
LAUNCH X-431 PAD III User Manual Fig. 13-1 1) Contact break point: the primary circuit of ignition coil cut off, the secondary voltage was sensed and increased sharply.
LAUNCH X-431 PAD III User Manual Seen from the waveform, 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.
LAUNCH X-431 PAD III User Manual Fig. 13-2 Fig. 13-3 below shows 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.
LAUNCH X-431 PAD III User Manual 13.3 Secondary-direct ignition analysis Connection： 1. Power the Scopebox on: Power is provided to the Scopebox in either of the following ways: • Power adaptor: Insert one end of the power adaptor into the Power interface of the Scopebox, and the other end to the AC outlet.
LAUNCH X-431 PAD III User Manual 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 is not opening/closing of mechanical contact, but the conduction of transistor.
LAUNCH X-431 PAD III User Manual Fig. 13-5 13.4 Waveform analysis mode The ignition secondary single-cylinder waveform test is mainly used to: a. Analyze the ignition dwell angle of single cylinder.(ignition coil charging time) b. Analyze the capability of ignition coil and secondary high tension circuit (from ignition line to ignition voltage line). c. Find the improper mixture A/F ratio of single cylinder (from combustion line). d. Analyze the capability of capacitance (platinum or ignition system). e.
LAUNCH X-431 PAD III User Manual poor ignition, etc. Confirm the consistence of judgment standard (the amplitude, frequency, shape and pulse width, etc., for each cylinder), check the fault of the waveform for corresponding components. Waveform results: observe the ignition coil at the beginning of charging, the relative consistent falling edge represents the dwell angle and ignition timing of each cylinder are precise. Ignition line: Observe the height consistence of flashover voltage.
LAUNCH X-431 PAD III User Manual The waveform shown on Fig. 13-6, appears a lot of clutter on the contact break point, which is obviously caused by the serious erosion on contact break point. It can be verified via burnishing the contact or changing the circuit breaker. Fig. 13-6 For 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.
LAUNCH X-431 PAD III User Manual Fig. 13-9 A lot of clutter will be displayed on the horizontal section of primary waveform if contact has poor grounding, as shown below figure 13-10. Fig.13-10 Fig. 13-11 shows the fault of low-voltage waveform in electronic ignition system. The voltage does not rise during magnetizing, which indicates that the effect of limitation of the circuit failed and no components on distributorless ignition system can be adjusted.
LAUNCH X-431 PAD III User Manual failures, Fig. 13-12 just shows the major possible factors for the failures.
LAUNCH X-431 PAD III User Manual Fig 13-12 129
LAUNCH X-431 PAD III User Manual 14 Personal Center This function allows users to manage personal information and DS401 connector. 14.1 My Report This option is used to view, delete or share the saved reports. Tap “My Report”, there are total 3 options available. In case the DTC result is saved on Read Trouble 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”.
LAUNCH X-431 PAD III User Manual saved as .x431 file and appear under Diagnostic Record tab. Fig. 14-2 Tap the desired one to enter: Fig.
LAUNCH X-431 PAD III User Manual Select the desired data stream items and tap “Confirm” to jump to the playback page: Fig. 14-4 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. In this case, different items are marked in different colors.
LAUNCH X-431 PAD III User Manual connector via Bluetooth. Fig. 14-5 * Note: please be sure to keep the DS401 connector powered on while performing 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 detailed operations, please refer to Chapter 4.5.3. 14.4 Activate VCI This item lets you activate a new VCI device.
LAUNCH X-431 PAD III User Manual Fig. 14-6 Input the Serial Number and Activation Code, and then tap “Activate” 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 power or switch to other interfaces. 14.6 Profile Use this item to view and configure personal information.
LAUNCH X-431 PAD III User Manual Fig. 14-7 • Tap the user image to change it. • Tap > next to “Free Upgrade Period” to check the due date of all diagnostic software. 14.7 Change Password This item allows you to modify your login 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. Metric System and English System are available. 14.8.
LAUNCH X-431 PAD III User Manual Once you saved the print information, it will be entered automatically in the “Add Information” box every time you save the diagnostic report. 14.8.3 Printer Set This option is designed to establish a wireless connection between X-431 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.
LAUNCH X-431 PAD III User Manual Fig. 15-3 Step 1: Connect the printer: Tap “Scan” to start scanning and select the desired printer hotspot named with X-431PRINTER-XXXX (XXXX stands for 4 characters), and then tap “Connect” to enter Step 2. Step 2: Join the Wi-Fi 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.
LAUNCH X-431 PAD III User Manual 14.8.4 About The software version information and disclaimer are included. 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 current account To logout the current user ID, tap “Exit from current account”. To login the system again, tap “Login”.
LAUNCH X-431 PAD III User Manual 15 Other Modules 15.1 Email The function allows you to send and receive email. *Note: Before sending or receiving email, you have to set up an email account. In addition, this function required a stable network connection. 1. On the Home screen, tap Other Modules -> Email. 2. Input the Email address, tap NEXT. 3. Choose the desired email account type. 4. Input the password, tap “Next”.
LAUNCH X-431 PAD III User Manual 5 Create a new tab. 6 Input a web address. 7 Add the current page as bookmark. 8 Open search bar. 9 Open bookmark list. 10 View more options. 15.2.2 Download files Files, pictures, and applications can be downloaded from the website in browser. For example: Tap and hold a picture, then choose “Save image” from pop-up menu to download it. To download a link, tap and hold it, and then choose “Save link”.
LAUNCH X-431 PAD III User Manual Fig. 15-2 2. Your partner must install the TeamViewer full version program (if not installed, go to http://www.teamviewer.com to download it), and then start the software on his/her computer at the same time, in order to provide support and take control of your tablet remotely. 3. Provide your ID to the partner, and wait for him/her to send you a remote control request. 4. A dialog box asking for your confirmation to allow remote control on your tablet will appear. 5.
LAUNCH X-431 PAD III User Manual on-screen instructions to download and install the update file. 3. Be patient to wait until the update is done. 15.5 Facebook Facebook is an American online social media and social networking service application. After registering, users can • Create a customized profile indicating their name, occupation, schools attended and so on.
LAUNCH X-431 PAD III User Manual Fig. 15-3 2. Tap “Generate the recommended QR code”, 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 symptom, description and repair resolution. 15.6.
LAUNCH X-431 PAD III User Manual Go to “Personal Center” -> “CDB Token” to check the total token. Fig. 15-5 Tap “Token details” to view how & when to get it. Approach 2: Tap “Start the CDB Wallet App” to navigate 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 performing backup. Follow the instructions on the screen to download and install it.
LAUNCH X-431 PAD III User Manual Fig. 15-6 2. Tap “Manage Wallets”. Fig. 15-7 3. Tap “Export Keystore”.
LAUNCH X-431 PAD III User Manual Fig. 15-8 4. Input the password. 5. Tap “Copy Keystore” and follow the prompts to select any one of the methods to save the keystore. 15.7 ES File Explorer ES File Explorer is a file and application manager. You can access and create folders on the tablet without needing to connect it to a computer. The app also features an application manager, task killer and download manager. Another excellent feature is support for cloud storage accounts.
LAUNCH X-431 PAD III User Manual 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 and the computer.
LAUNCH X-431 PAD III User Manual 16 FAQ 1. How to save power? ¾ Please turn off the screen while the tablet keeps idle. ¾ Set a shorter standby time. ¾ Decrease the brightness of the screen. ¾ If WLAN connection is not required, please turn it off. ¾ Disable GPS function if GPS service is not in use. 2. What should I do in case I forgot the screen lock? You can set screen lock as pattern or password. If you forgot the password, please consult your device provider or reset your device.
LAUNCH X-431 PAD III User Manual 4. Tap “Clear all data” to start resetting until the tool automatically reboots. 5. How to Activate new VCI device? Note: Before registration, please make sure the network is properly connected. A. If this is the first time using the handset, please refer to “Chapter 4.2.1” in the user manual for product registration. B. If you have activated a VCI device before, but bought a new VCI device due to the loss or other reasons, please follow the below steps to activate: 1.
LAUNCH X-431 PAD III User Manual if necessary. Once the pairing is properly done, the system will display it as a paired device. 8. How to set up a network connection? There are 2 kinds of network connection available on the tablet. A. Wired Connection Connect the Ethernet cable to the tablet directly. B. Connect to a Wi-Fi network The tablet has built-in Wi-Fi that can be used to get online.
LAUNCH X-431 PAD III User Manual 3. Input product S/N and follow the on-screen prompts to retrieve the password.
Warranty THIS WARRANTY IS EXPRESSLY LIMITED TO PERSONS WHO PURCHASE LAUNCH PRODUCTS FOR PURPOSES OF RESALE OR USE IN THE ORDINARY COURSE OF THE BUYER’S BUSINESS. LAUNCH electronic product is warranted against defects in materials and workmanship for one year from date of delivery to the user. This warranty does not cover any part that has been abused, altered, used for a purpose other than for which it was intended, or used in a manner inconsistent with instructions regarding use.
North of Wuhe Avenue, Banxuegang, Bantian, Longgang, Shenzhen, Guangdong P.R.China, 518129 Launch website: http://www. cnlaunch.com http://www.x431.com Statement: LAUNCH reserves the rights to make any change to product designs and specifications without notice. The actual object may differ a little from the descriptions in the manual in physical appearance, color and configuration.
