LAUNCH X431 PRO ELITE Car Diagnostic Tool Instruction Manual

Product Overview

The LAUNCH X431 PRO ELITE is a professional, all-in-one diagnostic scan tool designed for 12V cars and light pickups. This 2025 new model features premium hardware and advanced diagnostic capabilities, making it an indispensable tool for automotive repair businesses and enthusiasts.

Figure 1: LAUNCH X431 PRO ELITE Diagnostic Tool

Key Features:

• Advanced Hardware: 8-inch LCD Touchscreen (1280 x 800 resolution), 2.0Ghz Quad-Core Cortex-A55 Processor, Android 10.0 OS, 4GB RAM & 64GB ROM, 5G&2.4GHz Dual-Wifi, Rear-Facing 8.0MP Camera, 6,000 mAh Rechargeable Battery, 180° Adjustable Kickstand, Type C USB Connectors.
• Comprehensive Diagnostics: OE-Level Full System Diagnosis, Read & Erase DTCs, View Live Data.
• Advanced Functions: Active Test (Bi-directional Control), ECU Coding (Online/Offline, Recode & Relearn, Alter Configuration, Refresh Hidden Features, Disable Annoying Features, Reprogram Adaptive Data, Customize Car Features), Key Programming (IMMO Service).
• Protocol Support: Supports CANFD and DOIP protocols for newer vehicles (e.g., GM after 2020, BMW F&G chassis, Volvo 2018+, Land Rover & Jaguar 2017+).
• FCA AutoAuth: Access to security gateway module on 2018 and newer Fiat Chrysler vehicles (requires account purchase).
• Special Reset Services: 37+ common maintenance and reset functions.
• Vehicle Coverage: Supports 150+ car brands and 200,000+ vehicle models from 1996-2025.
• Language Support: 25 languages including English, French, Spanish, German, Russian, Korean, Japanese, Portuguese, Italian, Polish, Dutch, Hungarian, Finnish, Czech, Turkish, Greek, Arabic, Danish, Romanian, Serbian, Swedish, Traditional Chinese, Thai, Persian, Simplified Chinese.
• Updates: 2 Years Free Update via Wi-Fi.

Setup Guide

1. Unboxing and Component Check

Upon receiving your LAUNCH X431 PRO ELITE, carefully unbox the package and verify all components against the packing list:

• 1x X431 PRO ELITE 8 inch Tablet PC
• 1x OBD Diagnostic Cable
• 1x Type-C Data Cable
• 1x Charger Cable
• 1x US Plug
• 1x UK Plug
• 1x EU Plug
• 1x User Manual
• 1x Quick Guide
• 1x Packing list
• 1x Password paper

Figure 2: LAUNCH X431 PRO ELITE Packing List

2. Initial Power On and Charging

1. Connect the charger cable to the Type-C port on the device and plug it into a power outlet using the appropriate regional adapter (US, UK, or EU plug).
2. Press and hold the Power Button (refer to Figure 3 for location) to turn on the device.
3. Allow the device to fully charge before first use for optimal battery life.

3. Network and Language Configuration

1. Once powered on, follow the on-screen prompts to complete the initial Android 10.0 OS setup.
2. Connect the device to a stable Wi-Fi network (supports 5G & 2.4GHz Dual-Wifi). This is crucial for software updates and online functions.
3. Select your preferred language from the available 25 options during setup or via the device settings.

Figure 3: Hardware Features and Supported Languages

Operating Instructions

1. Connecting to a Vehicle

1. Locate the vehicle's OBD-II diagnostic port (usually under the dashboard on the driver's side).
2. Connect the OBD Diagnostic Cable to the vehicle's OBD-II port and to the DB 15 Diagnostic Interface port on the X431 PRO ELITE tablet.
3. Ensure a secure, wired connection for stable and low-latency diagnostics.

2. Performing a Diagnostic Scan

1. Turn the vehicle's ignition to the 'ON' position (engine off).
2. On the X431 PRO ELITE, select the 'Diagnose' or 'Vehicle Coverage' application.
3. The tool will attempt to automatically identify the vehicle's VIN. If successful, confirm the vehicle information. If not, you may need to manually enter vehicle details (make, model, year).
4. Select 'Full System Scan' or choose specific systems (e.g., Engine, ABS, Airbag) to scan.
5. The tool will read Diagnostic Trouble Codes (DTCs) and display live data streams.

3. Active Test (Bi-directional Control)

The Active Test function allows you to send commands to the vehicle's ECU to actuate specific components and monitor their response. This helps in quickly identifying faulty parts.

1. After a diagnostic scan, navigate to the 'Active Test' or 'Bi-directional Control' menu for the relevant system.
2. Select the component you wish to test (e.g., fuel pump, injectors, power windows).
3. Follow the on-screen instructions to actuate the component and observe its behavior or read corresponding data.

Figure 4: Bi-directional Controls and Key Programming

4. ECU Coding

ECU Coding allows you to re-flash vehicle control modules, update software, reprogram adaptive data, and customize car features.

1. From the diagnostic menu, select 'ECU Coding'.
2. Choose between 'Online ECU Coding' (requires internet connection) or 'Offline ECU Coding'.
3. Follow the prompts to perform functions like re-flashing hidden features, resetting adaptive data, recoding vehicle modules, or optimizing vehicle performance.

Figure 5: ECU Coding Capabilities

5. Special Reset Service Functions

The X431 PRO ELITE supports over 37 special reset functions for various maintenance tasks. Access these functions from the main menu.

• ABS Bleeding
• TPMS Reset
• Oil Lamp Reset
• Electronic Throttle Sensor Reset
• Injector Coding
• SAS Reset (Steering Angle Sensor)
• Brake-pad Reset
• Gear Learning
• IMMO Service (Key Programming)
• Battery Matching
• DPF Regeneration
• EGR Adaption
• Suspension Matching
• NOx Sensor Reset
• Tyre Reset
• Windows Calibration
• Stop-start Reset
• AC Initialization
• AdBlue Reset
• AFS Headlamp Reset
• A/F Reset
• Gearbox Reset
• Coolant Bleeding
• Transport Reset
• Seat Calibration
• High Voltage Battery Detection
• Sunroof Initialization
• Engine Power Balance Monitoring
• Language Change
• Gas Particulate Filter (GPF) Regeneration
• Intelligent Cruise Control System Reset
• And more...

Figure 6: Overview of Special Reset Service Functions

6. FCA AutoAuth Access

For 2018 and newer Fiat Chrysler vehicles, the tool can bypass the Security Gateway Module (SGW) to perform advanced diagnostics and functions. This requires an active account on the FCA website.

Maintenance

1. Software Updates

Regular software updates ensure your diagnostic tool has the latest vehicle coverage and features.

• Connect the X431 PRO ELITE to a stable Wi-Fi network.
• Navigate to the 'System Update' application on the tablet.
• Follow the on-screen instructions for 'One-Click WiFi Update'.
• The device includes 2 years of free updates.

2. Battery Care

• The device is equipped with a 6,000 mAh rechargeable battery.
• Charge the device using the provided charger (5V 2A/10W).
• Avoid exposing the battery to extreme temperatures (0°C to 45°C operating range).
• Do not disassemble the battery or charger.

3. Cleaning and Storage

• Clean the touchscreen with a soft, lint-free cloth.
• Store the device in its carrying case in a cool, dry place when not in use.

Troubleshooting

Common Issues and Solutions:

• Device not powering on: Ensure the battery is charged. Connect the charger and try again.
• No communication with vehicle: Verify the OBD Diagnostic Cable is securely connected to both the vehicle's OBD-II port and the tablet. Ensure the vehicle's ignition is in the 'ON' position. Check the vehicle's compatibility with the tool.
• Active Test or ECU Coding not working: These functions are not universal for all vehicles. Always check compatibility with the vehicle's VIN number before attempting. For FCA vehicles, ensure you have an active account on the FCA website.
• Software glitches or freezing: Try restarting the device. Ensure the software is up-to-date via Wi-Fi.
• Need for OBD1 adapters: This model includes only an OBD2 connector cable. If you require OBD1 adapters, please contact customer support for assistance in obtaining one.

Diagnostic Feedback:

If you encounter persistent diagnostic problems or issues that cannot be resolved, utilize the 'Diagnostic Feedback' feature on the tablet to report the issue directly to LAUNCH for support.

Specifications

User Tips

• Wired Connection: The X431 PRO ELITE uses a wired connection to the vehicle, not Bluetooth. This ensures a more stable and low-latency diagnostic experience.
• Check Vehicle Compatibility: Before purchasing or attempting advanced functions like Active Test or ECU Coding, always verify compatibility with your specific vehicle's VIN number. Not all functions are universal for all car models.
• FCA AutoAuth Account: If you plan to use FCA AutoAuth features for 2018 and newer Fiat Chrysler vehicles, remember that an account purchase on the FCA website is required to log in.
• Language Support: The device supports 25 languages, including Arabic. You can select your preferred language during initial setup or in the device settings.
• OBD1 Adapters: If your vehicle requires OBD1 adapters, please note they are not included in the standard package. You can contact customer support to inquire about obtaining a free one.
• Software Updates: Keep your device updated via Wi-Fi to ensure access to the latest features and vehicle coverage.

Warranty and Support

Software Updates:

Your LAUNCH X431 PRO ELITE comes with 2 years of free software updates, accessible via Wi-Fi. Regular updates ensure your tool remains current with the latest vehicle models and diagnostic protocols.

Product Replacement:

The product includes a 365-day free replacement warranty. Please refer to the warranty terms and conditions provided with your purchase for details.

Technical Support:

For any technical inquiries or assistance, 7*24 hours technical support is available. You can also use the 'Diagnostic Feedback' feature on the device to submit issues directly to LAUNCH support.