1. Introdução
The LAUNCH X431 PRO3S+ SMARTLINK HD is a professional bidirectional diagnostic scan tool designed for both passenger and commercial vehicles (12V & 24V). This device offers comprehensive diagnostic capabilities, advanced service functions, and ECU coding, making it suitable for automotive repair shops and mechanics.
2. Configuração e desembalagem
The LAUNCH X431 PRO3S+ SMARTLINK HD comes in a robust carrying case, organized into two boxes for various components. Ensure all items listed in the packing list are present before proceeding.
2.1. Package Contents (Box 1)
- X431 PRO3S+ Host (Display Tablet)
- SmartLink C V2.0 (VCI)
- Conector HD15F para OBDII 16
- UK Plug, EU Plug, US Plug (Power Adapters)
- Cabo DB15F para HD15F
- Cabo de rede
- Cabo USB Tipo A - Tipo B
- Cabo USB Tipo A - Tipo C
- Envelope PIN
- Guia de início rápido
2.2. Package Contents (Box 2 - Connectors)
- BENZ-38, NISSAN-14+16, BENZ-14, BMW-20, CHRYSLER-6, FORD-6+1, GM/VAZ-12, HONDA-3, KIA-20, MITSUBISHI/HYUNDAI-12+16, TOYOTA-17, TOYOTA-22, BENZ-14, CAT-9, HYUNDAI-16, ISUZU-20, IVECO-30, IVECO-38, JUMPER 10, MAN-12, MAN-37, MITSUBISHI-12+16, RENAULT-12, Type II OBD 9, VOLVO-8 (Various Connectors)
- Cabo de energia
- Cabo de isqueiro
- Switching Cable 1-9
- OBD 16 connector
- OBD 6 connector

Figure 1: The LAUNCH X431 PRO3S+ SMARTLINK HD scanner and its comprehensive set of accessories, including various connectors and cables, neatly organized within its durable carrying case.
3. Instruções de operação
3.1. Initial Power-On and Software Update
Upon first use, power on the X431 PRO3S+ display tablet. Connect it to a stable Wi-Fi network. Navigate to the "Software Update" icon on the main menu to download and install the latest software versions for all supported vehicle makes and functions. Regular updates ensure compatibility with the newest vehicle models and features.
3.2. Conectando-se a um veículo
- Locate the vehicle's OBD-II diagnostic port (typically under the dashboard).
- Connect the appropriate connector (e.g., HD15F to OBDII 16 Connector for standard OBD-II vehicles, or a specific adapter from Box 2 for older/heavy-duty vehicles) to the vehicle's diagnostic port.
- Connect the SmartLink C V2.0 VCI to the diagnostic connector.
- Ensure the SmartLink C V2.0 is paired via Bluetooth or connected via USB to the X431 PRO3S+ display tablet.
- Gire a chave de ignição do veículo para a posição "ON" (motor desligado).
3.3. Funções de diagnóstico
The device offers several diagnostic methods:
- Intelligent Diagnose: Automatically identifies vehicle VIN, model, year, and engine type, then performs a comprehensive health report across all systems. Requires internet connection.
- Local Diagnose: Allows manual selection of vehicle make, model, and year to perform diagnostics without an internet connection.
- VIN Scan: Supports automatic VIN detection (Auto VIN Detect) or manual VIN input.
3.3.1. Mapeamento de Topologia
The Intelligent Diagnose feature includes an intuitive Topology Mapping display. This visual representation shows the communication structure between vehicle modules (ECUs) and highlights their status (Normal, Abnormal, Scanned, Not Scanned, Not Equipped) using color-coding. This allows for quick identification of problematic modules and their associated Diagnostic Trouble Codes (DTCs).
Video 1: This video demonstrates the Topology Map Function of the LAUNCH X431 PRO3S+ SMARTLINK HD scanner, showing how it visually displays the vehicle's system architecture and highlights module status for efficient diagnostics.
3.3.2. Verificação completa do sistema
Performs a comprehensive scan of all available electronic control units (ECUs) in the vehicle, including Engine, Transmission, ABS, SRS, BCM, TPMS, and more. It reads and clears DTCs, displays live data streams, and retrieves freeze frame data.
3.4. Funções Especiais (mais de 60 serviços)
The X431 PRO3S+ SMARTLINK HD supports over 60 maintenance and reset functions. These functions vary by vehicle make, model, and year. Exampos incluem:
- Óleo Lamp Serviço de reinicialização
- Reinicialização do EPB (Freio de Estacionamento Eletrônico)
- BAT (Battery) Service (BMS)
- Serviço DPF (Filtro de Partículas Diesel)
- Reinicialização do sensor de ângulo de direção (SAS)
- Sangramento do ABS
- Codificação de injetores de combustível
- Serviço TPMS (Sistema de Monitoramento da Pressão dos Pneus)
- Adaptação do acelerador
- AFS (Sistema Adaptativo de Iluminação Frontal)amp Reiniciar
- Inicialização do teto solar
- Reinicialização da suspensão
- Gearbox Reset & Gear Learning
- Reinicialização A/F (Relação Ar/Combustível)
- Reinicialização do AdBlue (filtro de gases de escape do motor diesel)
- Reinicialização do sensor Nox
- Parar/Iniciar Redefinir
- Calibração do assento
- Desativação do Modo de Transporte
- Calibração do Windows
- Reaprender/inicialização do sistema AC
- Vol altotage Battery Diagnostics (for New Energy Vehicles)
- GPF Regeneration (Gasoline Particulate Filter)
- Reaprendizagem do sensor de árvore de cames/virabrequim
- Immobilizer Reset
- Key Programming (with optional X-PROG3 module)
3.5. Controle bidirecional (teste ativo)
This function allows the diagnostic tool to send commands to vehicle systems or components to test their operational status. This helps in quickly pinpointing vehicle problems without extensive disassembly. Exampos incluem:
- Para carros: Injector Buzz Test, Idle Speed Adjustment, Window/Mirror/Door Test, Fuel Pump/Solenoid Valve Tests, A/C Compressor Activation, Radiator Fan Activation, Throttle Modulation, Acceleration Device Test, Power Balance Test.
- Para caminhões pesados: Cylinder Cut-out Test, Compression Test, Injector Volume Commands, Injector Coding, Rail High Pressure Test, SCR Catalyst Regen, DPF Regen, VGT Calibrations, Aftertreatment Reset, Parameter Changing, Glow Relay Activation Check.
3.6. ECU Coding and J2534 Reprogramming
The X431 PRO3S+ SMARTLINK HD supports ECU coding functions for matching, learning, or coding newly replaced ECUs. It can customize vehicle settings, reset hidden features, and adapt data for certain components after repairs. The SmartLink C V2.0 VCI also functions as a J2534-Compliant VCI, allowing users to perform J2534 reprogramming for compatible vehicles (e.g., Toyota, Honda, Volvo, VW, BMW, Ford, GM, Benz, Subaru, Chrysler, Land Rover).
3.7. ADAS Calibration
Compatible with the LAUNCH X431 ADAS Mobile, this tool can calibrate advanced driver-assistance systems (ADAS) such as ACC (Adaptive Cruise Control), AEB (Autonomous Emergency Braking), LKA (Lane Keeping Assist), LDW (Lane Departure Warning), and AVM (Around View Monitor) systems. This enhances driver, passenger, and pedestrian safety.
3.8. FCA AutoAuth & Renault Security Gateway
The device provides access to the Security Gateway Module (SGM) on 2017 and newer Fiat/Chrysler/Dodge/Jeep vehicles (2017-2026) for diagnostics and special functions. It also supports Renault Security Gateway functions for models after 2019.
3.9. Remote Diagnosis & Diagnostic Report
The remote diagnosis feature allows technicians to receive remote assistance from experts. Diagnostic reports can be generated with one-click, emailed, or printed for record-keeping or customer sharing.
4. Manutenção
4.1. Atualizações de software
The LAUNCH X431 PRO3S+ SMARTLINK HD includes 2 years of free software updates. After the free update period, the device remains fully functional offline, but new updates will require a subscription. Updates are released weekly to ensure the broadest vehicle coverage up to 2026 models.
4.2. Gerenciamento de bateria
The display tablet is equipped with a 6300mAh lithium-ion battery, providing up to 10 hours of continuous operation. Ensure the device is charged regularly using the provided power adapters.
5. Solução De Problemas
For common issues, refer to the "DTC Help" and "Google Search" features directly from the diagnostic screen. This provides immediate access to repair guides and solutions. For complex issues, utilize the "Diagnostic Feedback" function to send messages to LAUNCH technicians for prompt support.
- "DTC Help" & "Google Search": One-click access to diagnostic trouble code explanations and potential fixes.
- Feedback de diagnóstico: Send issue reports directly to LAUNCH technicians for assistance.
- Diagnóstico remoto: Allow a mechanic to perform remote diagnostics using an access code (availability may vary by region).
6. Especificações
| Recurso | Detalhe |
|---|---|
| Marca | LANÇAR |
| Modelo | LAUNCH X431 PRO3S+ SMARTLINK HD |
| Sistema operacional | Androide 10.0 |
| Processador | Processador de 4 núcleos Cortex-A55 de 2.0 GHz |
| Memória | 4GB RAM & 64GB ROM (expandable to 128GB) |
| Tamanho da tela | 10.1-inch TFT-LCD (1280 x 800 resolution) |
| Bateria | 47880mWh (7.6 V, 6300mAh) Lithium-ion |
| Conectividade | 5G & 2.4GHz Dual Wifi, Bluetooth |
| Câmeras | Built-in 8MP rear camera |
| Protocolos Suportados | CAN FD, DoIP, J2534, CAN/CAN_PS/FT_CAN_PS/SW_CAN_PS/FT_ISO15765_PS/ISO15765/IS015765_PS/SW_ISO15765_PS/ISO14230/ISO14230_PS/ISO9141/ISO9141_PS/J1850PWMJ1850PWM_PSIJ1850VPW/J1850VPW_PS/FD_CAN_PS/FD_ISO15765_PS |
| Cobertura de Veículos | 200+ US, Asian, European commercial and passenger vehicle makes (12V & 24V) |
| Idiomas | 25 idiomas suportados |
7. Garantia e Suporte
The LAUNCH X431 PRO3S+ SMARTLINK HD comes with a 5-year warranty and 2 years of free software updates. Technical assistance is available 24/7/365. The product also includes a 60-day refund/return policy and 24-month maintenance.
For technical support, please contact cardiag-aftersales@hotmail.com.





