Launch- x431

Original Launch X431 Diagun III X-431 Diagun 3 Bluetooth Update Online

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37cm*30cm*25cm     ( Inch: 14.53*11.78*9.82 )
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Product Description

  1. With compact main unit, powerful diagnostic functions, fast and convenient update, universal connectors
  2. X431 Diagun 3 can diagnose gasoline(petrol) and diesel cars
  3. provide you best price, high quality items and one year warranty with free technique service

Original LAUNCH X431 diagun iii Diagun 3

Top 7 Reasons to Get X431 Diagun III:
1. Oversea full configuration contains total 59 software, See attached configuration Software List
2. For 12V gasoline and diesel cars
3. Diagnose by DBSscar through Bluetooth
4. One Year Free Update Online
5. Allow you to print our vehicle fault data with a mini printer
6. Supported Languages: English, Spanish, Arabic, French, Korean, Japanese, German, Russian
7. No Software download IP limitation: Oversea download and update available
What is X431 Diagun 3?
X431 Diagun 3 is a new professional vehicle diagnostic tool designed and developed by LAUNCH for repair technicians. It’s smart, easy to carry, fully functional and convenient to use, and it’s the standard equipment for garage technicians.

X431 Diagun 3 + Launch DBScar diagnostic adaptor integrated design, supports wired and Bluetooth wireless diagnosis. Color and touch inductive screen, easy operation.

X431-Diagun 3 Display:
X431-Diagun 3 Display-1

X431-Diagun 3 Display-2

X431-Diagun 3 Display-3

X431-Diagun 3 Display-4

X431 Diagun 3 Product Features:

1. Compact main unit -Standard equipment for technicians
2. Bluetooth technology, wireless communication. 100 m Bluetooth communication, Cable communication support
3. Fully inherited diagnostic functions from X-431. Capable of nearly all domestic vehicle makes and Asian, European, American vehicle makes.
4. Greatly improved program running speed
5. More convenient software update
6. 4.3-inch high luminance, high-resolution color touch screen
7. 3800mAh Rechargeable battery
8. 1G memory card
9. Standard USB printer connector, external printer support
10. Full after sales service system, life time 1 to 1 service

Launch X431 Diagun iii Functions:

1. Long stand-By time: Can be used continuously 10 hours.
2. Unique Appearance: Rolling cover design, the DBScar connector is integrated.
3. Support print function: Support standard USB printer for printing diagnostic result.
4. Quick Update: Nearly 1,000 software update per year to ensure the functions.
5. Wireless diagnosis: Main unit can communicate with DBScar connector by Bluetooth(<100m).
6. Powerful diagnostic: Inherited with all diagnosis function of X-431 with wild software coverage, Asian, European and U.S.

Launch X431 Diagun iii Update and dealer code:
1. X431 DIAGUN 3 Support online update one year for free.
2. When you get your device, please give us your serial number, the country you going to use and language you need to our customer service, we will active this product for you. Active takes 24-48 hours.
3. After active it, you can go to DBSCAR website to register and download software. Our dealer code is 86A.
For the battery performance, it is recommended to charge the battery fully before the first application.
X431 Diagun 3 Technical parameters:

X431 Diagun 3 ?Technical parameters

X431 Diagun 3 Product Specifications:

CPU --- 400 MHz ARM9
Color Touch Screen --- 480X272, 4.3''
TF card--- 1G
Upgrading/Printer Interface--- USB
Wireless communication Module --- Bluetooth
USB --- Standard USB 2.0 Ports
Working voltage of diagnostic adaptor: DC 12V (DC 24V not yet supported)
Operation system --- WINCE 5.0
Diagnose --- Fully inherits from X431
Update --- Update online
Interface optimization --- entering into diagnosis desktop directly after powering on, easy to use
English/Metric Conversion for PID Values
Quick upgrade --- nearly 1000 times each year

Printer available in LAUNCH X431 DIAGUN:

Lenovo: LJ2250/LJ2250N, P3900 Series
Brother: P2150, 5200/6200 Series and MW-120,MW-140BT,MW-260 model.
Others: Printers available that support PCL printing language.

Notes: Customers can store what they want to print in TF card as a form of a picture. Then connect to PC and print it after testing.
Install the patch of DIAGUN printer before printing (downloaded on X431 website).

How to Use Launch X431 Diagun 3:

1. Connections
Bluetooth (wireless) / Cable (wired) connections

2. Installation Location
Bluetooth (wireless) Connection Procedure of X-431 Diagun III:
1. Insert the TF card into the slot;
2. Find out the vehicle’s DLC;
3. Plug the 16 PIN end of DBScar diagnostic connector into the vehicle’s DLC.

X-431 diagun Function Improvement:

Item Notes on Improvement Update Date
Benz Diagnostic Software for X-431 Series V45.80
Compared with the previous version (V45.76):
1. For every chassis, the non-CAN mode SAM DR, SAM PASS systems have been added with reading version information, read DTCs, clear DTCs, read data streams, actuation test, and special functions have been added.
2. For the newly-added ID of the mesfi system under the 169 and the 245 chassis, the actuation test and special functions have been added
3. For the CAN mode ISM under every chassis, the actuation test and special functions have been added.
4. For the non-CAN mode SCM system under every chassis, the Initial startup has been added.
5. For the 163 chassis, the VIN auto scan function has been improved.
6. For the ESP system under the 211 chassis, the Deion of DTC No. 4d41 has been revised.
JAGUAR Diagnostic Software for X-431 Series V18.11 Compared with the previous version (V18.10), for the following models, specific special functions have been added:
(1) XJ 2006: oil service counter reset, DPF replacement (only for diesel engine), DPF dynamic regeneration (only for diesel engine).
(2) XJ 2008: oil service counter reset, DPF replacement (only for diesel engine), DPF dynamic regeneration (only for diesel engine).
(3) S-TYPE 2006: oil service counter reset, DPF replacement (only for diesel engine), DPF dynamic regeneration (only for diesel engine).
(4) XF 2008: oil service counter reset, DPF replacement (only for diesel engine), DPF dynamic regeneration (only for diesel engine), DPF fuel related components replacement (only for diesel engine).
(5) XK 2010: oil service counter reset, oil level reset, read engine oil level real-time data.
Chevrolet (SPARK) Diagnostic Software for X-431 Series V17.00 Compared with the previous version (V16.00), the domestic B10 UAES engine system has been added.Note: the latest version of display software shall be used to ensure the normal operation of diagnostic software. Regarding the specific tested contents for this version, please refer to the 'Vehicle Coverage' on X431 website. 2012-12-18
Renault Diagnostic Software for X-431 Series V40.80 Compared with the previous version
1. For WIND model, the following modes have been added:
(1) one Injection mode
(2) two ABS modes
(3) one UCH mode
(5) one Instrument panel mode
(8) two RADIO modes
(11) two VARIABLE P.A.S. modes

2. For WIND model, fourteen systems have been added.
3. For KANGOO MUX model, two Injection modes have been added.
4. For three modes under the PARKING BRAKE system of SCENIC II model, two special functions (Save clutch pedal programming, Write clutch pedal programming) have been revised.
5. For the models after the year 2004 (all systems), the DTCs have been improved.
AUDI Diagnostic Software for X-431 Series V26.31 Compared with the previous version (26.30),
1. The operation instructions for VW model coding, basic adjustment, and channel adjustment match functions have been added. 2. For the previous version, the scanning problem and the BUG of DIAGUN software have been revised and optimized.
CHRYSLER Diagnostic Software for X-431 Series V28.02 This software is issued in 11 languages: English, simplified Chinese, traditional Chinese, Spanish, French, Korean, Portuguese, German, Arabic, Italian, and Turkish.Compared with the previous version (V28.01),
1. For the 2011 newly added systems under CAN protocol, the actuation test, system test, and special functions have been added to twenty-six sub-modes (including ABS, ACC, AHBM, AHLM, DMRL, DMRR, ESM, HSM, HVAC, ITM, MSMD, PEM, PLGM, PTS, RADIO, SAS, TCM, and TPM, etc.).
2. For the 2011 newly added systems, the way to read DTCs has been readjusted.
3. The mode matching function has been adjusted, which can accurately access the sub mode of the system.
BMW Diagnostic Software for X-431 Series V45.70 This software is issued in 16 languages: simplified Chinese, traditional Chinese, English, German, Spanish, Portuguese, Turkish, Russian, Polish, Italian, Japanese, Arabic, Greek, French, Serbian, and Korean.Compared with the previous version (V45.60).

1. Following specific functions have been added.
(1) For the DME under the E60, etc., chassis: Idle speed, Exhaust-gas recirculation, Starting fuel delivery, Limitation delivery, Injection rate, DME/DDE-CAS, Injector rate adjustment, Read measured values, Bleeding, fuel system, Replacement, and particulate filter, etc., special functions.
(2) For the CAS under the E60 chassis: CAR KEY MEMORY.

2. The following contents have been improved:
(1) For the DME under the E60, etc., chassis: Read measured values (special function)
(2) For the EGS, DDE, and MRS under the E46 and E39, etc., chassis: read DTCs, and clear DTCs functions
(3) For the FRM, FKA, and ECALL under the F01 chassis: read DTCs function
(4) The text libraries in Russian, French, Arabic, Italian, Japanese, Korean, German, simplified Chinese, and traditional Chinese.
(5) The Chinese icons of 3GIII
GM Diagnostic Software for X-431 Series V42.60 This software is issued in 12 languages: simplified Chinese, traditional Chinese, English, Korean, Spanish, German, French, Arabic Russian, Italian, Japanese, and Turkish. Compared with the previous version (V42.50), For following specific models, every system has been added with basic diagnostic functions.

(1) 2010 Camaro
(2) 2011/2012 Orlando
(3) 2011 Chevrolet Equinox
(4) 2012 GMC Terrain
(5) 2012 Buick LaCrosse/Regal/Verano
(6) 2008/2009 Chevrolet HHR(Europe)
(7) 2012 Chevrolet Aveo
(8) 2012 Cadillac SRX2. For the 2006 Cadillac SRX model, the Brake Pedal Position Sensor Relearn function has been added.
USA FORD Diagnostic Software for X-431 Series V41.70 This software is issued in 9 languages: simplified Chinese, traditional Chinese, English, Spanish, Korean, Portuguese, Arabic, French, and Russian. Compared with the previous version (V41.60), the Passenger Seat Weight Sensor ReZero function has been added to the 2005-2011 Edge, Sable, Expedition, Explorer, F-150, Five Hundred, Mustang, Fusion, and Taurus, etc., fifteen models under the System search menu. 2012-11

X-431 Diagun III package list:

X-431 Diagun iii Oversea Full Configuration Software List:
No. Origin Software Name Version
1 - Demo Software V14.40
2 Smart OBDII diagnostic software V22.14
3 America America Ford diagnostic software V41.91
4 Chrysler diagnostic software V28.04
5 GM diagnostic software V42.90
6 X431, Acura Diagnostic Software V10.41
7 X431, INFINITI Diagnostic Software V10.40
8 X431, Lexus Diagnostic Software V10.80
9 Australia Australia Ford diagnostic software V25.12
10 Holden diagnostic software V40.01
11 Brazil Brazil GM diagnostic software V13.00
12 X431, Brazil Fiat diagnostic software V10.02
13 China Brilliance Auto diagnostic software V30.00
14 BYD diagnostic software V17.20
15 Changan vehicle diagnostic software V15.00
16 ChangCheng diagnostic software V32.00
17 Changhe diagnostic software V20.00
18 Chery diagnostic software V55.00
19 GEELY diagnostic software V17.00
20 Gonow Auto diagnostic software V12.01
21 HaFei diagnostic software V25.00
22 JAC car diagnostic software V18.01
23 Jiangling diagnostic software V12.30
24 SGMW diagnostic software V20.10
25 Tianjin FAW diagnostic software V16.40
26 Xiamen Golden diagnostic software V13.00
27 XinKai Diagnostic software V11.02
28 ZhongShun diagnostic software V12.01
29 Zhongxing diagnostic software V21.00
30 ZOTYE diagnostic software V17.00
31 Europe Audi diagnostic software V26.32
32 Benz diagnostic software V45.91
33 BMW diagnostic software V46.10
34 Citroen diagnostic software V40.54
35 Europe Ford diagnostic software V41.10
36 Fiat diagnostic software V32.90
37 Jaguar diagnostic software V18.13
38 Lancia diagnostic software V15.80
39 Landrover diagnostic software V31.50
40 Opel diagnostic software V40.00
41 Peugeot diagnostic software V42.50
42 Porsche diagnostic software V20.24
43 Renault diagnostic software V40.90
44 Romeo diagnostic software V18.60
45 Rover diagnostic software V23.02
46 Saab diagnostic software V22.00
47 Seat diagnostic software V26.32
48 Skoda diagnostic software V26.32
49 Smart diagnostic software V17.26
50 Transporter&V-Class diagnostic software V19.51
51 Volkswagen diagnostic software V26.32
52 Volvo diagnostic software V41.64
53 India Mahindra diagnostic software V11.02
54 MARUTI diagnostic software V14.02
55 TATA diagnostic software V13.02
56 Japan Daihatsu diagnostic software V19.92
57 Honda diagnostic software V44.00
58 JPIsuzu diagnostic software V13.30
59 Mazda diagnostic software V38.20
60 Mitsubishi diagnostic software V29.90
61 Nissan diagnostic software V41.51
62 Subaru diagnostic software V21.80
63 Suzuki diagnostic software V33.02
64 Toyota diagnostic software V47.00

X-431 Diagun III Oversea Full Configuration Packing List:
No. Part category Part No. Part name Quantity
1 Main unit 201024822 X431, DIAGUN III host 1
2 Connector 201024811 DBScar diagnostic connector 1
3 203010549 DBScar, BENZ-38 diagnostic connector 1
4 105040059 DBScar, DAEWOO-12 diagnostic connector integrated 1
5 105040078 DBScar, AUDI-4 diagnostic connector linear 1
6 105040083 DBScar, BENZ-14 diagnostic connector linear 1
7 105040072 DBScar,BMW-20 diagnostic connector integrated 1
8 105040067 DBScar, CHRYSLER-6 diagnostic connector integrated 1
9 105040085 DBScar,DAIHATSU-4 diagnostic connector linear 1
10 105040079 DBScar,FIAT-3 diagnostic connector linear 1
11 Y203010554 DBScar,FORD-6+1 diagnostic connector integrated 1
12 105040080 DBScar, GAZ diagnostic connector linear 1
13 105040065 DBScar, GEELY-22 diagnostic connector integrated 1
14 105040074 DBScar,GM/VAZ-12 diagnostic connector integrated 1
15 105040060 DBScar,HONDA-3 diagnostic connector integrated 1
16 105040068 DBScar,KIA-20 diagnostic connector integrated 1
17 105040063 DBScar,MAZDA-17 diagnostic connector integrated 1
18 105040076 DBScar,MITSUBISHI/HYUNDAI-12+16 diagnostic connector 1
19 Y203010556 DBScar,NISSAN-14+16 diagnostic connector 1
20 105040082 DBScar, SSANGYONG-14 diagnostic connector linear 1
21 Connector 105040070 DBScar, SSANGYONG-20 diagnostic connector integrated 1
22 105040069 DBScar,SUBARU-9 diagnostic connector integrated 1
23 105040084 DBScar, SUZUKI-3 diagnostic connector linear 1
24 105040062 DBScar,TOYOTA-17 diagnostic connector integrated 1
25 105040064 DBScar,TOYOTA-22 diagnostic connector integrated 1
26 105040081 DBScar, UNIVERSAL-3 diagnostic connector linear 1
27 Test cable 105020989 DBScar, OBD I Adaptor BOX switch wiring 1
28 105020988 DBScar,OBDⅡ-16 Extend extension line 1
29 Y203010242 LIGHTER 1
30 Y203010270 CLIPPER 1
31 Software memory card 204011293 X-431 Diagun III oversea full configuration TF card 1
32 Accessories Y102210077 Host charger 1
33 105020990 X431 DIAGUN III host and DPU connector USB communication cable, L = 1000mm, LAUNCH 1
34 102210104 X431 DIAGUN III lithium polymer battery 3.7V/3800mAh, MEBLL 1
35 105020738 X-431 DIAGUN Mainframe Connect PRINTER USB Cable 1
36 105020736 X-431 DIAGUN USB Upgrade Cable 1
37 107022213 X431 PIN envelope 1
38 107011062 X431, DIAGUN III automotive fault diagnosis gun manual (English) 1
39 107011064 X431, DIAGUN III Quick Installation Guide (English) 1
40 102150010 Clipper fuse 5*20mm 4

X-431 Diagun III package list-1
X-431 Diagun III package list-2
X-431 Diagun III package list-3
X-431 Diagun III package list-4

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Shipping method and delivery time:

UK Warehouse Shipping: 2-4 working days, Only item title marked " Ship from UK " will ship from UK warehouse. ( UK local address 2-4 working days arrival, other European countries will take about 5-10 working days arrival depend on the place), We will pay the freight ship to each customer, If customer country does not have Shipping service in our UK warehouse or only have UPS service, customer need pay the UPS freight difference or package will ship from Shenzhen, China.
DHL Shipping: 2-4 working days, To help you clearance we will help declare a lower price on the invoice help clearance. If address is remote area, customer need pay remote freight or we will ship by Normal Post or Yanwen Express.
Yanwen Express: 5-10 working days, usually No Tax for European Countries or Remote Area . The tax was pre-paid, when package reached, there's no tax no extra fee for customers.

If you have any questions about the device, the price or the payment, please feel free to contact us.
Contact Person: Elyza
Whatsapp: +86 13983755934
Telephone: +86 13983755934
Wechat: +86 13983755934
Official Email:
Live-Chat: Online service support

Tech Support

Original X431 diagun III installation instructions
Original X431 diagun III installation instructions

1. Install battery
Install steps are described as below:
1. Follow Fig.a to push the button cabinet forward to open position, and then remove it.
2. Take out the battery form the package box and install it as indicated on Fg.b.
3. Cover the reader cabinet and push it backwards to the original position, as shown on Fig.c.
To disassemble the battery, reverse the steps that you followed to install the battery.


Install steps

2. Install TF card
Installation steps are as follows:
1. Take out the TF card from package box.
2. Insert the TF card into the X-431 Diagun III TF card slot perpendicularly. Make sure it is fully inserted in the right place with the "micro “label facing upward. see Fig.d&e.

Install TF card

3. Connections
Cable (wired)Connection Procedure of X-4311 Diagun III:
1. Connect one end of the diagnostic cable to the USB port of X-431 Diagun III main unit;
2. Connect the other end of the diagnostic cable to the Micro USB port of the DBScar diagnostic connector;
3. Find out the vehicle's DLC;
4. Plug the 16 PIN end of DBScar diagnostic connector into the vehicle's DLC and the power indicators of X-431 Diagun III main unit and DBS car connector will light up.LC and the power indicators of X-431 Diagun III main unit and DBScar connector will light up.

4. Bluetooth(wireless)Connector Procedure of X-431 Diagun III:
1. Find out the vehicle's DLC;
2. PLUG THE 16 PIN end of DBScar diagnostic connector into the vehicle's DLC.

Bluetooth(wireless)Connector Procedure of X-431 Diagun III

5. Operation

Original X431 diagun III Operation


Launch X431 Diagun III what's customer share with us ?

Part One: About software download and register
Q1: Where to download Launch x431 Diagun III software?
A1: Download from, the language depends on your local IP address, for example, browse in China with Chinese IP, the Launch website language is Chinese.
Q2: When I try to download the vehicle software of X431 Diagun III, it is only available with Chinese no English, and I try to download Chinese software, it shows me IP restrictions, I cannot download.
A2: You have to get authorization from us before you download the vehicle software.
Q3: I already get authorization from you, but I fail to register.
A3: the dealer code is 86A (A must be written in capital letter)
Part Two: X431 Dagun III VS X431 GDS
Q: Launch X431 Diagun iii and Launch X431 GDS, which one is better.
A: 1) X431 Diagun iii and X431 GDS share the same function; 2) GDS supports Wi-Fi wireless Internet communications and GDS offer some value-added service: provides maintenance information, maintenance cases and Internet search service. To achieve main module upgrading by one key, feedback by one key, and searching by one key etc. 3) X431 GDS Display: 7" TFT Hi-brightness color touch screen, X431 Diagun III is 4.3 inch. 4) GDS built-in hard disk 8G. Therefore, GDS is better than X431 Diagun.
Part Three: About update
Q: Does X431 Digun iii has French language ? Can I update it in the European Market?
A: Yes, it has French , and can also update online, you can update it in European

Part Four: About Function
Q: Can X431 Diagun III clear the airbag information of fiat punto 2001 ?
A: Yes, it can do

Q: Does X431 Digaun III support GM trucks
A: Yes, diagn III can support
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