Launch X-431 EURO TAB II User manual

Version: V1.00.000
Revised date: April 8, 2019
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 EURO TAB II User Manual
i
Copyright Information
Copyright © 2019 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.
Neither LAUNCH nor its affiliates shall be liable to the purchaser of this unit or
third parties for damages, losses, costs, or expenses incurred by purchaser or
third parties as a result of: Accident, misuse, or abuse of this unit, or
unauthorized modifications, repairs, or alterations to this unit, or failure to strictly
comply with LAUNCH operating and maintenance instructions. LAUNCH shall
not be liable for any damages or problems arising from the use of any options or
any consumable products other than those designated as Original LAUNCH
Products or LAUNCH Approved Products by LAUNCH.
Trademark Information
LAUNCH is a registered trademark of LAUNCH TECH CO., LTD. (LAUNCH) in
China and other countries. All other LAUNCH trademarks, service marks,
domain names, logos, and company names referred to in this manual are either
trademarks, registered trademarks, service marks, domain names, logos,
company names of or are otherwise the property of LAUNCH or its affiliates. In
countries where any of the LAUNCH trademarks, service marks, domain names,
logos and company names are not registered, LAUNCH claims other rights
associated with unregistered trademarks, service marks, domain names, logos,
and company names. Other products or company names referred to in this
manual may be trademarks of their respective owners. You may not use any
trademark, service mark, domain name, logo, or company name of LAUNCH or
any third party without permission from the owner of the applicable trademark,
service mark, domain name, logo, or company name. You may contact LAUNCH
by visiting the website at www.cnlaunch.com, or writing to LAUNCH TECH. CO.,
LTD., Launch Industrial Park, North of Wuhe Avenue, Banxuegang, Bantian,
Longgang, Shenzhen, Guangdong, P.R.China, to request written permission to
use Materials on this manual for purposes or for all other questions relating to
this manual.
Important Safety Precautions
Important: To avoid personal injury, property damage, or accidental damage to

LAUNCH X-431 EURO TAB II User Manual
ii
the product, read all of the information in this section before using the product.
Never collide, throw, or puncture the tool, and avoid falling, extruding and
bending it.
Do not insert foreign objects into or place heavy objects on your device.
Sensitive components inside might cause damage.
Do not use the tool in exceptionally cold or hot, dusty, damp or dry
environments.
In places using the tool may cause interference or generate a potential risk,
please turn it off.
This tool is a sealed unit. There are no end-user serviceable parts inside. All
internal repairs must be done by an authorized repair facility or qualified
technician. If there is any inquiry, please contact the dealer.
Never place the tool into apparatus with strong electromagnetic field.
Keep the tool far away from magnetic devices because its radiations can
damage the screen and erase the data stored on the tool.
DANGER: Do not attempt to replace the internal rechargeable lithium battery.
Contact the dealer for factory replacement.
CAUTION: Please use the included battery and charger. Risk of explosion if
the battery is replaced with an incorrect type.
Precautions on Using This Tool
Before using this tool, please read the following safety information carefully.
Always perform automotive testing in a safe environment.
If the VCI (Vehicle Communication Interface) device is not in use for a long
period of time, it is suggested to unplug the connector from vehicle’s DLC to
conserve battery power.
Wear an ANSI-approved eye shield when testing or repairing vehicles.
The vehicleshall be tested in a well-ventilated work area, as engines produce
various poisonous compounds (hydrocarbon, carbon monoxide, nitrogen
oxides, etc.)
Do not connect or disconnect any test equipment while the ignition is on or
the engine is running.
Put blocks in front of the drive wheels and never leave the vehicle unattended
while testing.
Keep the tool dry, clean, free from oil, water or grease. Use a mild detergent
on a clean cloth to clear the outside of the equipment as necessary.

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Do not drive the vehicle and operate the tool at the same time. Any distraction
may cause an accident.
Keep clothing, hair, hands, tools, test equipment, etc. away from all moving or
hot engine parts.
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.
To avoid damaging the tool or generating false data, please make sure the
vehicle battery is fully charged and the connection to the vehicle DLC (Data
Link Connector) is clear and secure.
Automotive batteries contain sulfuric acid that is harmful to skin. In operation,
direct contact with the automotive batteries should be avoided. Keep the
ignition sources away from the battery at all times.
Precautions on Operating Vehicle’s ECU
Do not disconnect battery or any wiring cables in the vehicle when the ignition
switch is on, as this could avoid damage to the sensors or the ECU.
Do not place any magnetic objects near the ECU. Disconnect the power
supply to the ECU before performing any welding operations on the vehicle.
Use extreme caution when performing any operations near the ECU or
sensors. Ground yourself when you disassemble PROM, otherwise ECU and
sensors can be damaged by static electricity.
When reconnecting the ECU harness connector, be sure it is attached firmly,
otherwise electronic elements, such as ICs inside the ECU, can be damaged.

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Table of Contents
1 INTRODUCTION...................................................................................7
1.1 PRODUCT PROFILE .............................................. 7
1.2 FEATURES.................................................... 7
1.3 TECHNICAL SPECIFICATIONS ....................................... 8
1.3.1 Display tablet.........................................................................8
1.3.2 VCI device .............................................................................9
2 KNOWLEDGE OF X-431 EURO TAB II...............................................10
2.1 DISPLAY TABLET .............................................. 11
2.2 DOCKING STATION (OPTIONAL) .................................... 13
2.3 VCI DEVICE ................................................ 14
2.3 PACKAGE LIST ............................................... 15
3 INITIAL SETUP...................................................................................17
3.1 CHARGING THE TABLET .......................................... 17
3.2 POWER ON/OFF ............................................... 17
3.3 SCREEN LAYOUT............................................... 17
3.4 ADJUSTING SCREEN BRIGHTNESS.................................... 18
3.5 CHANGING LANGUAGE............................................ 18
3.6 NETWORK SETUP............................................... 19
4 GETTING STARTED...........................................................................20
4.1 DIAGNOSTIC FLOWCHART ......................................... 20
4.2 REGISTER &DOWNLOAD DIAGNOSTIC SOFTWARE .......................... 20
4.2.1 User registration.................................................................. 20
4.2.2 Home screen ........................................................................ 23
4.2.3 Vehicle menu layout.............................................................. 25
4.2.4 Diagnostics toolbar.............................................................. 26
4.3 DIAGNOSIS METHODS............................................ 26
4.4 CONNECTIONS ................................................ 27
4.4.1 Preparation.......................................................................... 27
4.4.2 DLC location ....................................................................... 27
4.4.3 Vehicle connection (For Passenger Vehicle Version).............. 27
4.4.3 Vehicle connection (For Commercial Vehicle/ Gasoline &

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Diesel Version) ............................................................................. 29
5 DIAGNOSIS........................................................................................ 30
5.1 INTELLIGENT DIAGNOSIS ........................................ 30
5.2 LOCAL DIAGNOSIS ............................................. 33
5.2.1 Health Report (Quick Test)................................................... 38
5.2.2 System Scan......................................................................... 42
5.2.3 System Selection................................................................... 43
5.3 REMOTE DIAGNOSIS ............................................ 52
5.3.1 Interface layout.................................................................... 52
5.3.2 Add friends........................................................................... 53
5.3.3 Start instant messaging......................................................... 55
5.3.4 Launch remote diagnosis (Device-To-Device)....................... 56
5.3.5 Launch remote diagnosis (Device-To-PC)............................. 59
5.4 HOW TO VIEW DIAGNOSTIC HISTORY? ................................ 61
5.5 HOW TO FEEDBACK DIAGNOSTIC LOGS? ............................... 62
6 SPECIAL (RESET) FUNCTION (ONLY FOR PASSENGER
VEHICLE/GASOLINE & DIESEL VERSION)..........................................64
6.1 OIL RESET SERVICE ........................................... 65
6.2 ELECTRONIC PARKING BRAKE RESET ................................. 65
6.3 STEERING ANGLE CALIBRATION .................................... 66
6.4 ABS BLEEDING ............................................... 66
6.5 TIRE PRESSURE MONITOR SYSTEM RESET .............................. 66
6.6 GEAR LEARNING............................................... 66
6.7 IMMO SERVICE ............................................... 67
6.8 INJECTOR CODING ............................................. 67
6.9 BATTERY MAINTENANCE SYSTEM RESET................................ 68
6.10 DIESEL PARTICULATE FILTER (DPF) REGENERATION .................... 68
6.11 ELECTRONIC THROTTLE POSITION RESET ............................. 68
6.12 GEARBOX MATCHING ........................................... 69
6.13 AFS (ADAPTIVE FRONT-LIGHTING SYSTEM)RESET...................... 69
6.14 SUNROOF INITIALIZATION....................................... 69
6.15 SUSPENSION CALIBRATION....................................... 69
7 SOFTWARE UPDATE......................................................................... 70
7.1 UPDATE DIAGNOSTIC SOFTWARE &APP ............................... 70
7.2 SET FREQUENTLY USED SOFTWARE ................................... 70

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7.3 RENEW SUBSCRIPTION ........................................... 71
8 ADAS.................................................................................................73
9 USER INFO ........................................................................................75
9.1 MY REPORT.................................................. 75
9.2 VCI ...................................................... 77
9.3 ACTIVATE VCI ............................................... 77
9.4 FIX CONNECTOR FIRMWARE/SYSTEM.................................. 78
9.5 MY NEWS ................................................... 78
9.6 DATA STREAM SAMPLE........................................... 78
9.7 VEHICLE VOLTAGE ............................................. 78
9.8 MY ORDER .................................................. 78
9.9 SUBSCRIPTION RENEWAL CARD ..................................... 79
9.10 PROFILE .................................................. 79
9.11 CHANGE PASSWORD ............................................ 79
9.12 SETTINGS.................................................. 79
9.12.1 Units.................................................................................. 80
9.12.2 Shop Information................................................................ 80
9.12.3 Printer Set.......................................................................... 80
9.12.4 Clear Cache....................................................................... 81
9.12.5 About................................................................................. 81
9.12.6 Diagnostic Software Auto Update....................................... 81
9.12.7 Login/Exit from current account ......................................... 82
10 OTHER MODULES........................................................................... 83
10.1 EMAIL .................................................... 83
10.2 BROWSER .................................................. 83
10.2.1 Open browser..................................................................... 83
10.2.2 Download files................................................................... 84
10.3 TEAMVIEWER ................................................ 84
10.3.1 TeamViewer QuickSupport.................................................. 84
10.3.2 TeamViewer........................................................................ 85
10.4 SYSTEM OTA UPGRADE ......................................... 86
10.5 FILE EXPLORER.............................................. 87
10.6 SYNCHRONIZATION ............................................ 87
11 FAQ..................................................................................................88

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1 Introduction
1.1 Product Profile
Featuring customized Android operating system, 2.0GHz 8-core CPU and 10.1”
sunlight readable capacitive display screen with a resolution of 1920 x 1200
pixels, X-431 EURO TAB II has functions of vehicle diagnosis, oscilloscope,
ignition, sensor, multimeter, browser and battery test etc.
It supports WLAN connection, which enables you to surf the Internet, update
App and diagnostic software online, search repair information anytime and
anywhere, getting your job faster and easier.
Through the wireless communication between the VCI device and display tablet,
it achieves full car model and full system vehicle trouble diagnosis, which include
Reading DTCs, Clearing DTCs, Reading Data Stream, Actuation Test and
Special Functions.
Moreover, taking advantage of the mobile Internet, it also integrates One-click
Update, Remote Diagnosis, Repair Data and TeamViewer, which helps to
diagnose vehicle issues more efficiently, and greatly increase customer’s
retention and boost shop revenue.
1.2 Features
1. Diagnose:
Intelligent Diagnosis: This module allows you to use the VIN information of
the currently identified vehicle to access its data (including vehicle
information, historical diagnostic records) from the cloud server to perform
quick test.
Local Diagnosis: VINscan quick test and manual diagnosis are available.
Diagnosis functions include: Read DTCs, Clear DTCs, Read Data Stream,
Special Functions etc.
Remote Diagnosis: This option aims to help repair shops or technicians
launch instant messaging and remote diagnosis, making the repair job
getting fixed faster.
Reset: All kinds of common maintenance and reset items including Oil
lamp reset, DPF regeneration, ABS bleeding can be done.

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One-click Update: Lets you update your diagnostic software online.
Diagnostic History: This function provides a quick access to the tested
vehicles and users can choose to view the test report or resume from the
last operation, without the necessity of starting from scratch.
Diagnostic Feedback: Enables you to submit the vehicle issue to us for
analysis and troubleshooting.
Pre- and Post- Repair Result Comparison: By comparing the pre-repair
and post-repair report, you can clearly determine which vehicle issues
have been fixed and which remained unsolved.
Diagnostic Feedback: Enables you to submit the vehicle issue to us for
analysis and troubleshooting.
Vehicle Coverage: Quick dial to view the vehicle models that the tool
covers.
2. WLAN connection is supported.
3. ADAS calibration: Optional. This function needs to be activated before normal
use and only works with the LAUNCH-specific ADAS calibration tool.
4. Web browser: Users can make online search and visit any website.
5. File Manager: Lets you manage files or downloaded files stored in memory
card efficiently.
6. Settings: To configure your personalized tablet.
1.3 Technical Specifications
1.3.1 Display tablet
CPU
8-core Processor, 2.0GHz
Display
10.1 inch touch screen with a resolution of 1920 x
1200P
Memory
4GB
Hard disk
64GB
Connectivity
WLAN (802.11 b/g/n/ac)
Universal serial BUS Ports (1 x Type-C + 1 x
Type-A)

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BT 2.1 + EDR & 4.0 BLE
Camera
8MP front-facing camera + 13MP rear-facing camera
Sensor
Gravity Accelerometer
3-Axis Acceleration Sensor
Operating Temp.
-10℃~ 50℃(14 ~122℉)
Storage Temp.
-20℃~ 70℃(-4 ~158℉)
1.3.2 VCI device
Working Voltage
DC 9V ~ 36V
Memory
256MB
ROM
8GB

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2 Knowledge of X-431 EURO TAB II
There are two main components to the X-431 EURO TAB II system:
Display Tablet –the central processor and monitor for the system (See
Chapter “2.1”).
Fig. 2-1 Display tablet
Docking Station –the device for accessing vehicle data (See Chapter “2.2”).
Fig. 2-2
VCI Device –the device for accessing vehicle data (See Chapter “2.3”).
Fig. 2-3

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2.1 Display Tablet
Fig. 2-4 Top & Front Views
1
Memory Card Slot
To store the memory card for storage
expansion.
2
Type C Charging Port
Reserved for charging the tablet.
3
Power/Screen Lock
Button
To turn the tablet on/off with long press, or
lock the screen with short press.
4
Volume Buttons
To adjust the volume.
*Note: Press and hold [POWER] and [VOL -]

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key to capture the current screenshot.
5
Data I/O Port
Reserved for add-on modules (such as
Batterybox, Scopebox and Sensorbox), and
other devices with similar port.
6
Microphone
7
Charging LED
It illuminates red while the tablet is charging.
Once charging is finished, it will illuminate
solid green.
8
10.1" Capacitive
Touch Screen
9
Ambient Light
Sensor
10
Front View
Fig. 2-5 Rear View

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11
Rear Camera
12
Camera Flash
13
Audio Speaker
14
Charging Slot
15
Adjustable kickstand
Flip out it to any angle and work comfortable
at your desk, or hang it on automotive part.
2.2 Docking Station (Optional)
Fig. 2-6
1
Charging Slot -- To charge the tablet.
2
OBD16 Socket -- To store the VCI device to avoid loss.
3
DC 5V OUT Port -- (Reserved for charging other USB devices only.)
4
Type C Charging Port -- Use the power adaptor to supply power to the
docking station through connection to AC outlet.
5
Power LED -- Illuminates solid green when it is powered up.

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2.3 VCI Device
Fig. 2-7
1
Diagnostic socket -- For connecting the diagnostic cable.
2
LEDs -- Enables users to easily identify the working status of the VCI
device. It is defined as follows (From the top to the bottom):
Power: It illuminates solid red when the device is powered on.
Vehicle: While communicating with the vehicle, the indicator lights up
and flashes. Otherwise, it will not illuminate.
BT: Blue indicates the device is working in Bluetooth mode.
I/O: It lights up when the device is connected to the diagnostic tool via
data cable.
Wireless: It lights up when the device works in wireless
communication mode.

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3
Reset hole -- For resetting the VCI device.
4
Data I/O port -- For connecting it to the handset via data cable (optional)
to perform vehicle diagnosis.
5
DC-IN power jack -- For connecting the power adaptor.
2.3 Package List
Common accessories are same, but for different destinations, the accessories
may vary. For detailed accessory items, please consult from the local agency or
check the packing list supplied with the package box together.
No.
Item
Description
Qt.
1
Display tablet
For analyzing the vehicle data and indicating
the test results.
1
2
VCI device
For connecting to vehicle’s OBD II DLC to
access vehicle’s live data.
1
3
Docking station
(Optional. To charge the tablet.)
1
4
OBD II extension
cable
For connecting the VCI device for extension
purpose.
1
5
OBD I adaptor
For connecting the non-16pin connector to
the VCI device.
1
6
Cigarette lighter
cable
Optional. To supply power to the non-16pin
connector through connection to the
vehicle’s cigarette lighter receptacle.
1
7
Battery clamps
cable
Optional. To supply power to the non-16pin
connector through connection to the
vehicle’s battery.
1
8
Power adaptor
For charging the tablet.
1
9
Password envelope
A piece of paper bearing Product S/N and
Activation Code, which is needed for
1

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product registration.
10
Non-16pin adaptor
cable kit
Optional. For connecting to Non-OBD II
vehicle DLC.
1

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3 Initial Setup
3.1 Charging The Tablet
*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. Power level is indicated as a percentage in the
upper right corner of the screen. If the power level drops below 10% while the
tablet is on, a “Connect Charger”notification will appear on the screen.
1. Connect one end of the power adaptor to DC IN port of the tablet, and the
other end to the AC outlet.
2. If appears on the screen, it indicates it is being charged. If the logo
changes into , it indicates that the battery is fully charged.
3. Disconnect the power adaptor from the AC outlet.
3.2 Power On/Off
1. Press and hold the POWER button for about 3 seconds to turn on the tablet.
The system starts initializing and then enters the Home screen.
2. To turn the tablet off, press and hold the POWER button until an option menu
appears. Tap “Power Off”.
3.3 Screen Layout
On-screen keys and status bar are as follows:
Fig. 3-1

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1
Tap to visit the official website.
2
Tap to capture the current screen and all captured
screenshots are stored in the Screenshots folder.
3
shows whether the VCI device is connected properly or not.
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.
3.4 Adjusting Screen Brightness
The tablet is equipped with a built-in light intensity sensor. It can adjust the
screen brightness according to the ambient light intensity automatically.
Alternatively, you can also adjust it manually.
1. On the Home screen, tap Tablet Settings -> Display -> Brightness.
2. Drag the slider to adjust it.
Alternatively, user may also slide the “Automatically brightness”switch to ON,
and the system will automatically adjust the screen brightness.
*Tips: Reducing the brightness of the screen is helpful to save the power of the tablet.
3.5 Changing Language
The handset supports multiple languages. To change the language of the tablet,
please do the following:
1. On the Home screen, tap Tablet Settings -> Language.
2. Tap the desired language from the list and the system will change to the
chosen language.

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3.6 Network Setup
The tablet has built-in wireless communication module that can be used to get
online. Once you’re online, you can register the tablet, browse the Internet, get
and update apps and send email on your network.
*Note: Once WLAN is set as ON, the tablet will consume more power. While WLAN
keeps unused, please turn it off to conserve battery power.
1. On the Home screen, tap Tablet Settings -> WLAN.
2. Tap or slide the WLAN switch to ON, the tablet starts searching for all
available wireless LANs.
3. Choose the desired access point / network,
If the network you chose is open, you can connect directly;
If the selected network is encrypted, you have to enter the right security
key (network password).
When this tool is in range, it will connect to the previously linked network
automatically.