Launch X431 Diagun IV Powerful Diagnostic Tool with Full Connectors – Free Online Updates for 2 Years

Top 9 Reasons to Choose Launch X431 Diagun IV

1. Latest Version: Diagun IV
2. Multi-language Support: English, Spanish, French, Russian, Japanese, Arabic, Korean, Italian, German, Danish, Polish, Finnish, Dutch, Czech, Portuguese, Swedish, Turkish, Greek, Hungarian, Romanian, Serbian (language can be changed by user)
3. Android 7.0 Operating System: Supports one-click updates
4. Handheld Design: Easy to operate; eliminates risk of broken or lost Bluetooth adapter
5. 16GB SD Card Storage: Large capacity to meet all diagnostic needs
6. Special Functions Included: Brake Reset, Oil Reset, SAS Reset, BAT Reset, Bleeding, Elec. TH Trottle Rlrn, TPMS Reset, DPF REG
7. 2 Years Free Online Updates: After two years, update fee is $459/year
8. Bluetooth Range: Up to 10 meters (without obstacles)
9. Includes Launch X431 Full Connectors: Provided in the default package for enhanced convenience

Product Overview

The Launch X431 Diagun IV is a slim, evolutionary vehicle diagnostic tool. Featuring a quad-core 1.1GHz processor and a 5.5-inch capacitive screen, the X-431 Diagun IV delivers efficient diagnostic functionality. Leveraging mobile internet connectivity, it integrates advanced applications and services such as maintenance database creation, case library access, instant maintenance information, and public/private maintenance social circles. This fosters a broad vehicle diagnostic community, enabling online knowledge sharing, experience exchange, and service support—marking another industry revolution from Launch.

Key Features

• High-configuration tablet (technical parameters listed below)
• Built-in Social Network Service for diagnostic community access
• One-click online software updates via Wi-Fi
• Optional remote diagnosis & maintenance with golo

Diagnostic Functions

1. Full Diagnostic Capability

The X431 Diagun IV supports comprehensive diagnostics for electronic control systems across prevailing Asian, European, American, and Chinese vehicle models. Its full-system coverage makes it a professional-grade automotive diagnostic tool.

Diagnostic functions include:

• Read DTCs
• Clear DTCs
• Read datastream
• Special functions

Launch X431 Diagun IV Special Functions

The Reset section provides quick access to vehicle systems for scheduled service and maintenance tasks. All operations are guided by executive commands—simply follow on-screen prompts, select options, input required values, and perform necessary actions.

Commonly performed service functions include:

• Oil Reset Service
• Steering Angle Calibration
• Electronic Parking Brake Reset
• Battery Register / Battery Maintenance
• ABS Bleeding
• Electronic Throttle Position Reset / Learn
• Diesel Particulate Filter (DPF) Regeneration
• Tire Pressure Monitor System Reset

2. Bluetooth Connectivity

The X431 Diagun IV communicates via Bluetooth for easy use. Designed specifically for the Android platform, it features a clear, user-friendly interface on a 5.5-inch IPS screen (1280 x 720 resolution). It also includes an exclusive protective sleeve to prevent damage.

3. Web Browser

Built-in Wi-Fi module enables free internet browsing.

4. Settings

Configure your personalized X-431 Diagun IV through the settings menu.

5. Search Function

Quickly and conveniently locate your target information.

6. Email Support

Send and receive emails; supports external POP3 or IMAP accounts from common web email providers.

7. File Manager

Efficiently manage files stored on the SD card, including downloaded content.

8. Additional Utilities

Includes alarm, calendar, calculator, and other helpful tools.

9. Custom Applications

Supports installation or removal of other Android-based applications.

10. Software Updates

When a newer diagnostic software version is available, a prompt appears on-screen. Tap “Update now” to access the update center and stay synchronized with the latest version.

Launch X431 Diagun IV vs. Launch X431 Diagun III Comparison

Technical Specifications

Launch X431 Diagun IV Technical Parameters

• Operating system: Android 7.0
• Processor: Quad-core 1.1 GHz
• Memory: 1GB
• Storage: 16GB (Expandable up to 64GB)
• LCD screen: 5.5 inch IPS screen with 1280 × 720 pixel resolution
• Camera: Front-facing 2MP camera + rear-facing 8MP camera
• Battery: 2500mAh rechargeable polymer lithium battery
• Connectivity: Wi-Fi: WLAN 802.11b/g/n
• Bluetooth: Bluetooth 4.1
• Working temperature: 0℃ ~ 45℃
• Storage temperature: -10℃ ~ 50℃

VCI Connector Parameters

• Working voltage: 9 ~ 18V
• Working temperature: -10℃ ~ 55℃
• Storage temperature: -20℃ ~ 70℃
• Relative humidity: 20% ~ 90%

Packing List

• 1pc × Diagun IV overseas host RoHS
• 1pc × DBScar IV diagnostic connector RoHS
• 1pc × X431 AIT OBD16 extension line RoHS
• 1pc × Diagun IV quick start guide (English) RoHS
• 1pc × X431 PIN envelope
• 1set × Launch X431 Connector Set Package