Introdución
This manual provides instructions for the iCarsoft LR V4.0 Full System Bidirectional Diagnostic Scan Tool. This device is designed for comprehensive diagnostics and maintenance services for Land Rover and Jaguar vehicles, with the option to add two additional vehicle groups. It features a 5-inch LCD touchscreen, a 1.3GHz quad-core CPU, 32GB memory, and supports CAN FD protocol.
For optimal performance and to ensure proper use, please read this manual thoroughly before operating the device.
Vídeo: Rematadoview of the iCarsoft LR V4.0 Bidirectional Diagnostic Scan Tool. This video provides a general introduction to the device's capabilities and interface.
Lista de embalaxe
Verifica que todos os elementos estean presentes no paquete:
- Main Unit (Diagnostic Tablet)
- Maletín de transporte
- Manual de usuario multilingüe
- Cable USB-C
- OBD2 Main Cable (16-pin)

Image: Contents of the iCarsoft LR V4.0 package, including the main unit, carry case, user manual, USB-C cable, and OBD2 main cable.
Video: Unboxing of the iCarsoft LR V4.0 Bidirectional Diagnostic Scan Tool. This video demonstrates the contents of the product package.
Nota: Use your existing USB-C charger (5V/2A recommended) or a computer's USB port for charging. A dedicated charger is not included to reduce waste.
Configuración
- Cargar o dispositivo: Connect the USB-C cable to the diagnostic tool and a compatible 5V/2A USB charger or computer USB port. Ensure the device is fully charged before first use.
- Encendido: Manteña premido o botón de acendido para acender o dispositivo.
- Configuración inicial: Follow the on-screen prompts to select your language, time zone, and connect to a Wi-Fi network for updates.
- Actualización de software: Navigate to the "Update" section on the main menu. Connect to Wi-Fi and download the latest software for your device. This ensures access to the most current vehicle coverage and functions.
- Download Vehicle Groups: The device comes pre-installed with software for Land Rover and Jaguar. You can download two additional vehicle groups from a selection of 26 available options. Once downloaded, these cannot be changed.

Image: Screen showing the selection process for additional vehicle groups on the iCarsoft LR V4.0 device. The image illustrates the pre-installed Jaguar/Land Rover software and two slots for free downloads.
Video: Demonstration of the AutoVIN service on the iCarsoft LR V4.0 Diagnostic Tool. This video shows how the device automatically identifies vehicle information.
Instrucións de funcionamento
1. Conexión ao vehículo
- Localiza o porto OBD-II do vehículo, normalmente debaixo do taboleiro no lado do condutor.
- Connect the 16-pin OBD2 Main Cable to the vehicle's OBD-II port and to the iCarsoft LR V4.0 device.
- Xire o contacto do vehículo á posición "ON" (motor apagado).
- The device will automatically power on and attempt to establish communication with the vehicle.

Image: Illustration of the iCarsoft LR V4.0 connected to a vehicle's OBD-II port, performing full system diagnostics. The image shows the device displaying diagnostic data and various system icons.
2. Diagnóstico completo do sistema
The LR V4.0 can perform in-depth diagnostics on all vehicle systems, including Engine, ABS, Airbags, Transmission, and more complex systems. This function allows you to:
- Read and Clear Fault Codes: Identify and erase Diagnostic Trouble Codes (DTCs) from various control modules.
- Ler información da ECU: Retrieve detailed information about the Electronic Control Units.
- Ler datos en directo: View real-time data streams from vehicle sensors and components in text or graph format (up to 118 data streams).
- Conxelar datos de cadros: Capture a snapshot of vehicle conditions when a fault code was set.
3. Control bidireccional (proba activa)
This feature allows the scan tool to send commands to vehicle components and systems to test their functionality. This helps in quickly pinpointing faulty components.
Examples of actuation tests include:
- Proba de inxección
- Fuel pump activation
- Idle air control valve test
- ABS pump motor cycling
- Cooling fan activation
- Window, headlight, wiper, door lock, and horn tests

Image: The iCarsoft LR V4.0 performing an in-depth actuation test, showing various components like car lights, mirrors, and exhaust flap being tested. The device screen displays active test options.
Video: Demonstration of the iCarsoft LR V4.0 Diagnostic Tool performing a bidirectional test. This video illustrates how the tool can send commands to vehicle components.
4. Funcións de servizo (reinicios)
The LR V4.0 supports up to 38 maintenance services for Land Rover and Jaguar, and varying numbers for other downloaded vehicle groups. Key services include:
- Reinicio de aceite
- Calibración do sensor de ángulo de dirección (SAS).
- Reinicio do freo de estacionamento electrónico (EPB)
- Electronic Throttle Control (ETC) Reset
- Rexeneración do filtro de partículas diésel (DPF)
- Sangrado por ABS
- Codificación do inxector
- Reinicio do sistema de monitorización da presión dos pneumáticos (TPMS)
- Reinicio do sistema de xestión da batería (BMS)
- Air Conditioner Service
- Xefe Lamp Servizo
- Body Stability Control Service
- VIN Verification
- Mileage Verification
Nota: Not all listed services are available for all vehicle models or ECUs. Consult the device's function list for specific compatibility or contact support with your VIN and required service.

Image: Visual representation of various reset services available on the iCarsoft LR V4.0, including Body Stability Control, ABS Bleeding, Injector Coding, Air Conditioner, AdBlue, BMS Reset, EPB Reset, Oil Reset, and TPMS Reset.
Video: Demonstration of ABS Bleeding using the iCarsoft LR V4.0. This video shows a specific service function in action.
5. Funcións OBD2
The device provides standard OBD2 functions for all OBD2 compliant vehicles:
- Ler e borrar códigos
- Ler datos de conxelar fotogramas
- Live Data Stream (118 parameters)
- Turn off Malfunction Indicator Lamp (MIL)
- DTC Library lookup
- Estado de preparación de I/M
- Proba do sensor de O2
- Proba do sistema EVAP
- Proba de vixilancia a bordo
Mantemento
- Limpeza: Use un suave, damp pano para limpar o dispositivo. Evite produtos de limpeza abrasivos ou solventes.
- Almacenamento: Store the device in its carry case in a dry, cool environment, away from direct sunlight and extreme temperatures.
- Actualizacións de software: Regularly connect the device to Wi-Fi and check for software updates to ensure optimal performance and the latest vehicle coverage. Updates are free for life.
- Coidado da batería: For long-term storage, ensure the battery is charged to approximately 50%. Recharge periodically if stored for extended periods.
Resolución de problemas
- O dispositivo non se acende:
- Ensure the device is fully charged. Connect it to a power source using the USB-C cable. If connected to the vehicle, ensure the vehicle's ignition is in the "ON" position.
- Erro de comunicación co vehículo:
- Verify the OBD2 cable is securely connected to both the device and the vehicle's OBD-II port.
- Ensure the vehicle's ignition is "ON" (engine off).
- Check if the vehicle is OBD2 compliant (most vehicles manufactured after 1996 in the US, 2001 in Europe for gasoline, 2004 for diesel).
- Try the device on a different compatible vehicle to rule out a vehicle-specific issue.
- Specific service function not available or incompatible:
- Not all vehicle models are equipped with all ECUs or support all listed reset services.
- Ensure your device software is up to date.
- For compatibility concerns, provide your vehicle's VIN and the desired service to iCarsoft support for verification.
- Device freezes or operates slowly:
- Reinicie o dispositivo.
- Ensure sufficient battery charge.
- Realiza unha actualización de software.
Especificacións
| Característica | Detalle |
|---|---|
| Marca | iCarsoft |
| Número de modelo | LR V4.0 - BY |
| Fonte de enerxía | Alimentado por batería |
| Sistema Operativo | Android |
| Tamaño da pantalla | 5 polgadas |
| CPU | 1.3 GHz de catro núcleos |
| Memoria | 32 GB |
| Capacidade da batería | 5000 mAh |
| Protocolos admitidos | CAN FD, OBD2 standard protocols |
| Vehicle Fit Type | Vehicle Specific Fit (Land Rover, Jaguar, +2 additional groups) |
| UPC | 810192672004 |
Comparison with LR V3.0

Image: A comparison table highlighting the differences between iCarsoft LR V4.0 and LR V3.0, detailing features like vehicle coverage, display size, interaction, system access, update method, and supported service functions.
Garantía e Soporte
The iCarsoft LR V4.0 comes with a 1 ano de garantía desde a data de compra, cubrindo defectos de fabricación.
Actualizacións de software gratuítas de por vida: The device offers lifetime free software updates. Connect the device to Wi-Fi to download the latest diagnostic protocols and vehicle model coverage as they are released.
For technical assistance, compatibility checks (VIN and required service), or warranty claims, please contact iCarsoft customer support. Refer to the official iCarsoft websitio para información de contacto.