1. Introduction
The LAUNCH X431 V PRO 4.0 is an advanced automotive diagnostic scan tool designed for professional technicians and repair shops. It offers comprehensive OE-level diagnostics, bidirectional control, ECU coding, and over 37 special service functions. This manual provides detailed instructions for setting up, operating, maintaining, and troubleshooting your device to ensure optimal performance and longevity.
Figure 1.1: The LAUNCH X431 V PRO 4.0 diagnostic tablet and its comprehensive set of connectors, neatly organized within its protective carrying case.
2. Setup and Initial Configuration
Follow these steps to prepare your LAUNCH X431 V PRO 4.0 for first use.
2.1 Unboxing and Component Check
Carefully unpack all components from the carrying case. Verify that all items listed in the accessory list are present and undamaged.
2.2 Charging the Device
Connect the provided power adapter to the device and a power outlet. Allow the device to fully charge before initial use. The battery indicator on the screen will show charging status.
2.3 Power On and Initial Setup
- Press and hold the power button until the LAUNCH logo appears.
- Follow the on-screen prompts to select your preferred language, time zone, and connect to a Wi-Fi network. A stable internet connection is crucial for software updates and online functions.
- Register your device if prompted. This typically involves creating a LAUNCH account or logging into an existing one.
Figure 2.1: A detailed view of the accessories included with the LAUNCH X431 V PRO 4.0, featuring the main unit, Bluetooth connector, and a wide array of OBD1 and OBD2 adapters for diverse vehicle compatibility.
3. Operating the Device
This section details the primary diagnostic and service functions of the LAUNCH X431 V PRO 4.0.
3.1 OE-Level Full-Systems Diagnostics
The tool provides comprehensive diagnostics for all available vehicle systems, including Engine, Transmission, ABS, SRS, and more. It allows you to read and clear Diagnostic Trouble Codes (DTCs), view live data streams, and retrieve ECU information.
Figure 3.1: Overview of OE-level full-system diagnostics capabilities, including reading/clearing codes, live data, and ECU information, alongside a selection of 37+ special service functions like oil reset, brake reset, and TPMS reset.
3.2 Bi-Directional Control (Active Tests)
Perform active tests to send commands to vehicle ECUs and monitor actuator operation. This function helps quickly identify faulty components by directly testing their functionality (e.g., turning on/off radiator fan, testing windows/doors, injector buzz test, fuel pump test).
3.3 Advanced ECU Coding & Online Coding
This feature allows for advanced ECU coding, including online coding to update vehicle ECU software, refreshing hidden features, matching components after replacement, and customizing OE settings to enhance vehicle performance.
Figure 3.2: Demonstrates the ECU Coding capabilities for optimizing vehicle performance and the Bi-Directional (Active Test) functions for quickly identifying and locating issues by controlling various vehicle components.
3.4 Special Functions (37+ Maintenance)
The tool supports over 37 common maintenance functions, including but not limited to:
- Oil Reset
- Brake Reset
- TPMS Reset
- Battery Registration
- ABS Bleeding
- SAS Calibration
- Injector Coding
- Throttle Relearn
More specific functions (up to 100+) can be found under the 'Diagnose > Vehicle Brand > System > Special Function' menu.
3.5 Additional Smart Features
- AutoVIN Feature: Automatically identifies vehicle information, streamlining the diagnostic process.
- Multi-PID Live Data Graphing: Displays up to 12 data streams simultaneously in graphic and textual formats for easy analysis.
- Remote Diagnose: Facilitates remote assistance and experience sharing among technicians.
- Massive Online Resources: Access to operation tips, DTC help, automotive technology handbooks, repair cases, and how-to videos.
Figure 3.3: Key operational features including automatic VIN detection, 12-in-1 live data stream display, remote diagnostic capabilities, and options for recording, replaying, and printing diagnostic reports.
3.6 Vehicle Coverage
The LAUNCH X431 V PRO 4.0 supports over 150 worldwide vehicle brands from 1996-2024, with no IP restrictions. It also includes FREE V.A.G Guided Functions for VW, AUDI, SKODA, SEAT, and AutoAuth for FCA vehicles.
Figure 3.4: Illustrates the extensive global vehicle coverage of the scan tool, supporting over 150 worldwide brands from 1996 to 2024, with continuous updates and no IP restrictions.
3.7 Extended Module Functions
The device supports various optional extended modules (sold separately) to expand its capabilities:
- ADAS Calibration
- I-TPMS
- X-PROG3 (Immo Programmer)
- VSP500 (Videoscope)
- X431 Wifi Printer
- BST360 Battery Tester
Figure 3.5: Displays the range of extended modules that can be connected to the LAUNCH X431 V PRO 4.0, including ADAS Calibration, I-TPMS, X-PROG3, VSP500 (Videoscope), X431 Wifi Printer, and BST360 Battery Tester, all sold separately.
4. Maintenance
4.1 Software Updates
The device comes with a 2-year free software update period. It is highly recommended to regularly update the software via Wi-Fi to ensure access to the latest vehicle coverage, features, and bug fixes. Updates can be performed with a single click.
4.2 Cleaning and Care
Keep the device clean by wiping it with a soft, dry cloth. Avoid using abrasive cleaners or solvents. Store the device in its protective case when not in use to prevent damage.
5. Troubleshooting
If you encounter issues with your LAUNCH X431 V PRO 4.0, consider the following common solutions:
- Device not powering on: Ensure the device is fully charged. If the issue persists, try connecting it to a different power outlet or using a different charging cable.
- Connectivity issues (Bluetooth/Wi-Fi): Verify that Bluetooth is enabled on the device and the VCI connector. For Wi-Fi, ensure you are within range of a strong signal and have entered the correct password.
- Software freezing/crashing: Restart the device. Ensure the software is up to date. If the problem continues, consider performing a factory reset (note: this will erase all user data, back up important information first).
- Diagnostic function not working: Ensure the VCI connector is securely plugged into the vehicle's OBD-II port and properly paired with the tablet. Verify that the vehicle's ignition is on.
For more complex issues or persistent problems, refer to the online resources available on the device or contact customer support.
6. Specifications
Figure 6.1: Highlights the robust hardware specifications of the LAUNCH X431 V PRO 4.0, including its Android 9.0 operating system, 5000mAh battery, 8-inch touch screen, and dual-band Wi-Fi, along with a list of 25 supported languages.
| Feature | Detail |
|---|---|
| Model Number | X431 V |
| Operating System | Android 9.0 |
| Screen | 8-inch Touch Screen (1024*800 resolution) |
| Battery | 5000mAh Lithium Polymer (included) |
| Storage | 32GB (expandable with 128GB TF Card) |
| Camera | 2MP Front / 5MP Rear |
| Wi-Fi | 2.4Ghz / 5Ghz Dual-band Wi-Fi |
| Product Dimensions | 6.73 x 8.77 x 1.96 inches |
| Item Weight | 12.62 pounds |
| Supported Languages | 25 languages (including English, French, Spanish, German, etc.) |
7. Warranty and Support
7.1 Warranty Information
The LAUNCH X431 V PRO 4.0 comes with a 5-Year Quality Backup and a 60-Day Return & Replacement policy. Please retain your proof of purchase for warranty claims.
7.2 Software Updates
Enjoy 2 years of free software updates from the date of purchase. Regular updates ensure your tool remains compatible with the latest vehicle models and diagnostic protocols.
7.3 Customer Support
For any technical assistance, diagnostic issues, or inquiries regarding booting, charging, or APP registration, please contact our dedicated support team. We offer 24/7 post-sales service.
Email: kingbolen05@hotmail.com
