1. పరిచయం
The LAUNCH X431 PRO3S+ V5.0 is a professional-grade OBD2 diagnostic scanner designed for comprehensive vehicle diagnostics and maintenance. This device offers OE-level full system scanning, advanced ECU coding capabilities, bidirectional control, and over 55 specialized reset services. It is built for technicians, workshops, and advanced DIY users seeking efficient and accurate vehicle analysis.

Figure 1.1: LAUNCH X431 PRO3S+ V5.0 Diagnostic Scanner and included accessories.
2. సెటప్
2.1 అన్బాక్సింగ్ మరియు ప్రారంభ తనిఖీ
Upon receiving your LAUNCH X431 PRO3S+ V5.0, carefully open the packaging and inspect all components for any signs of damage. The standard package typically includes:
- LAUNCH X431 PRO3S+ V5.0 Tablet
- Smartlink HD VCI (Vehicle Communication Interface)
- OBD2 డయాగ్నస్టిక్ కేబుల్
- Various OBD Adapters (for different vehicle types)
- పవర్ అడాప్టర్ మరియు ఛార్జింగ్ కేబుల్
- వినియోగదారు మాన్యువల్ (ఈ పత్రం)
- క్యారీయింగ్ కేసు
2.2 పవర్ ఆన్ మరియు ప్రారంభ కాన్ఫిగరేషన్
- Ensure the tablet is sufficiently charged. Connect the power adapter to the tablet and a power outlet if the battery is low. The device features a 6300mAh battery for extended use.
- టాబ్లెట్ను ఆన్ చేయడానికి దానిలోని పవర్ బటన్ను నొక్కి పట్టుకోండి.
- Follow the on-screen prompts to complete the initial setup, including language selection (English is supported), Wi-Fi connection, and time zone settings.
- Connect the Smartlink HD VCI to the tablet via Bluetooth. Ensure both devices are powered on and within range. The device supports Bluetooth 5.0 for stable connection.
2.3 సాఫ్ట్వేర్ నవీకరణలు
It is highly recommended to update the diagnostic software to the latest version upon initial setup to ensure compatibility with the newest vehicle models and access to the most recent features. Your device includes 2 years of free software updates.
- Connect the tablet to a stable Wi-Fi network (supports 2.4GHz and 5GHz dual-band).
- Navigate to the 'Software Update' section within the device's main menu.
- Download and install all available updates. This process may take some time depending on your internet speed and the size of the updates.
2.4 వాహనానికి కనెక్ట్ చేయడం
To begin diagnostics, connect the Smartlink HD VCI to the vehicle's OBD2 port, typically located under the dashboard on the driver's side. Then, connect the VCI to the tablet wirelessly via Bluetooth.
3. ఆపరేటింగ్ సూచనలు
3.1 System Navigation
The LAUNCH X431 PRO3S+ V5.0 operates on Android 10.0 with a 10.1-inch touchscreen display, providing an intuitive user interface. Navigate through menus by tapping icons and swiping the screen. The main interface provides quick access to diagnostic functions, software updates, and settings.

Figure 3.1: Simple and intuitive interface for easy operation.
3.2 All System Diagnostics with Topology Mapping
The device supports OE-level full system diagnostics, allowing you to read and clear fault codes, view live data, and retrieve ECU version information for all available vehicle systems, including Engine Control Module (ECM), Transmission Control Module (TCM), Anti-lock Braking System (ABS), Supplemental Restraint System (SRS), Body Control Module (BCM), Immobilizer (IMMO), Battery Management System (BMS), Tire Pressure Monitoring System (TPMS), Steering Angle Sensor (SAS), fuel system, lighting system, and air conditioning system.
ఇంటిగ్రేటెడ్ Topology Mapping function provides a visual representation of the vehicle's communication network, allowing for quick identification of system status and fault locations. This feature significantly enhances troubleshooting efficiency.

Figure 3.2: All System Diagnose with Topology Mapping for fast and effective troubleshooting.
3.3 ECU Coding and Adaptation
The LAUNCH X431 PRO3S+ V5.0 offers advanced ECU coding capabilities to configure or reprogram electronic control units. This includes:
- పారామీటర్ సర్దుబాటు: Modify vehicle parameters to optimize performance or customize features.
- ECU Replacement: Program new ECUs after replacement.
- Advanced Customization: Personalize vehicle settings.
- Activate Hidden Functions: Unlock features that are disabled by default.
- Disable Annoying Features: Turn off unwanted functions.
- పనితీరు మెరుగుదల: Optimize engine and transmission performance.
- ఆఫ్లైన్ కోడింగ్: Perform coding without an internet connection for certain vehicle models.

Figure 3.3: ECU Coding capabilities for configuring and reprogramming vehicle ECUs.
3.4 ద్వి దిశాత్మక నియంత్రణ (క్రియాశీల పరీక్షలు)
Perform active tests to send commands to vehicle systems and components, verifying their functionality without using the vehicle's controls. Examples ఉన్నాయి:
- Turning on the radiator fan.
- Modulating the throttle.
- Opening or closing windows.
- Operating mirrors.
- Injector buzz test.
- Sounding the horn.
- Testing door lock actuators.

Figure 3.4: Bidirectional control allows sending commands to vehicle components for active testing.
3.5 55+ Reset Functions
The device supports over 55 common maintenance and reset services, streamlining repair processes and ensuring optimal vehicle performance. Key functions include:
- ఆయిల్ రీసెట్
- ABS రక్తస్రావం
- EPB (ఎలక్ట్రానిక్ పార్కింగ్ బ్రేక్) రీసెట్
- SAS (Steering Angle Sensor) Reset
- TPMS (టైర్ ప్రెజర్ మానిటరింగ్ సిస్టమ్) రీసెట్
- DPF (డీజిల్ పార్టిక్యులేట్ ఫిల్టర్) పునరుత్పత్తి
- BMS (బ్యాటరీ నిర్వహణ వ్యవస్థ) రీసెట్
- ఇంజెక్టర్ కోడింగ్
- థొరెటల్ అడాప్టేషన్
- Gear Reset
- AFS (Adaptive Front-lighting System) Reset
- EGR (Exhaust Gas Recirculation) Adaptation
- Gearbox Matching
- సన్రూఫ్ ఇనిషియలైజేషన్
- సస్పెన్షన్ రీసెట్

Figure 3.5: A selection of the 55+ reset functions available.
3.6 అదనపు ఫీచర్లు
- ఆటో VIN: Quickly identify vehicle information with one-click Auto VIN technology.
- Live Data Graph: Display live data streams in a 12-in-1 graphical format for easy analysis and comparison.
- వాహన కవరేజ్: Supports over 200 car brands and 20,000 vehicle models from 1986 to 2025, including support for FCA AutoAuth, CAN FD, and DoIP protocols.
- ADAS క్రమాంకనం: Supports calibration for Advanced Driver-Assistance Systems (ADAS) with optional accessories.
- Heavy Duty Truck Compatibility: Supports 24V heavy duty and commercial vehicles with additional connectors.
4. నిర్వహణ
4.1 సాఫ్ట్వేర్ నవీకరణలు
Regularly check for and install software updates to ensure optimal performance, access to new features, and compatibility with the latest vehicle models. Updates are available for 2 years free of charge.
4.2 బ్యాటరీ సంరక్షణ
To prolong the life of the 6300mAh lithium-ion battery, avoid fully discharging it frequently. Charge the device when the battery level is low. If storing the device for an extended period, ensure it is charged to approximately 50-70%.
4.3 శుభ్రపరచడం మరియు నిల్వ చేయడం
Clean the tablet screen and body with a soft, lint-free cloth. Avoid using abrasive cleaners or solvents. Store the device in its protective carrying case in a cool, dry place away from direct sunlight and extreme temperatures.
5. ట్రబుల్షూటింగ్
This section addresses common issues you might encounter with your LAUNCH X431 PRO3S+ V5.0.
5.1 పరికరం ఆన్ కావడం లేదు
- బ్యాటరీ ఛార్జ్ అయ్యిందని నిర్ధారించుకోండి. పవర్ అడాప్టర్ను కనెక్ట్ చేసి, మళ్లీ ప్రయత్నించండి.
- Press and hold the power button for at least 10 seconds to perform a hard reset.
5.2 VCI Not Connecting to Tablet
- Ensure both the tablet and VCI are powered on.
- Check Bluetooth settings on the tablet to ensure Bluetooth is enabled and the VCI is paired.
- Move the VCI closer to the tablet to ensure they are within Bluetooth range.
- Restart both the tablet and the VCI.
5.3 Unable to Connect to Vehicle OBD2 Port
- Ensure the vehicle's ignition is on (engine can be off or running, depending on the test).
- Verify that the OBD2 connector is securely plugged into the vehicle's port.
- వాహనం యొక్క బ్యాటరీ వాల్యూమ్ను తనిఖీ చేయండిtagఇ. తక్కువ వాల్యూమ్tage కమ్యూనికేషన్ను నిరోధించగలదు.
- Ensure the correct diagnostic cable/adapter is being used for the specific vehicle model.
5.4 Software Update Errors
If you encounter errors during software updates, such as incomplete downloads or installation failures:
- Ensure a stable and strong Wi-Fi connection.
- Check available storage space on the tablet (64GB internal storage). Clear unnecessary fileఅవసరమైతే లు.
- Restart the update process. If issues persist, contact LAUNCH technical support.
6. స్పెసిఫికేషన్లు
| ఫీచర్ | స్పెసిఫికేషన్ |
|---|---|
| మోడల్ | X431 PRO3S+ V5.0 ని ప్రారంభించండి |
| ఆపరేటింగ్ సిస్టమ్ | ఆండ్రాయిడ్ 10.0 |
| CPU | 1.8GHz Octa-core Processor |
| ప్రదర్శించు | 10.1-అంగుళాల టచ్స్క్రీన్ |
| జ్ఞాపకశక్తి | 4GB RAM, 64GB స్టోరేజ్ |
| బ్యాటరీ | 6300 ఎంఏహెచ్ లిథియం-అయాన్ |
| కనెక్టివిటీ | 2.4GHz & 5GHz Dual-Band WiFi, Bluetooth 5.0 |
| కొలతలు | 61.01 x 19 x 41 సెం.మీ (ప్యాకేజ్ చేయబడింది) |
| బరువు | 7.65 Kilograms (packaged) |
| మద్దతు ఉన్న ప్రోటోకాల్లు | OBD2, CAN FD, DoIP, FCA AutoAuth, DPU Protocols |
| వాహన కవరేజ్ | 200+ Brands, 20000+ Models (1986-2025) |

Figure 6.1: Physical dimensions and compatible extension modules.
7. వారంటీ మరియు మద్దతు
7.1 వారంటీ సమాచారం
The LAUNCH X431 PRO3S+ V5.0 comes with a standard warranty as per the purchase agreement. Additionally, it includes 2 సంవత్సరాల ఉచిత సాఫ్ట్వేర్ నవీకరణలు from the date of activation, ensuring your device remains current with the latest vehicle data and diagnostic capabilities.
7.2 సాంకేతిక మద్దతు
For any technical assistance, operational queries, or troubleshooting beyond this manual, LAUNCH provides comprehensive technical support. You can access support through:
- ఆన్లైన్ సేవ: The device offers 7/24 online service for real-time assistance.
- Diagnostic Tech Support/Feedback: Utilize the built-in feedback function on the device to report issues or request assistance.
- Maintenance Database & Repair Academy: Access a wealth of information, including DTC help and repair skills, directly from the device.





