1. Introduction
Thank you for choosing the EVTSCAN Universal Car Central Locking System. This manual provides essential information for the proper installation, operation, and maintenance of your new keyless entry and remote central locking system. Please read this manual thoroughly before attempting installation or use to ensure optimal performance and safety. This system is designed to enhance vehicle security and convenience by allowing remote locking, unlocking, and trunk release functions.
2. Product Overview
The EVTSCAN Universal Car Central Locking System provides remote control over your vehicle's central locking mechanism, offering convenience and security. It includes a main control unit and two remote controls.
Key Features:
- Remote Lock and Unlock: Conveniently lock and unlock your car doors from a distance.
- Remote Trunk Release: Open your car's trunk remotely with a dedicated button.
- Car Finding Function: Easily locate your vehicle in a parking lot.
- Universal Compatibility: Suitable for most 12V vehicles.
- Electronic/Pneumatic Lock Support: Compatible with both electronic and pneumatic door lock systems.
- Siren Output and LED Indicator: Provides visual and audible alerts for system status.
- Turn Signal and Power Window Integration: Can be connected to control turn signals and power windows (requires professional installation).
- Durable Construction: Made from high-quality, corrosion-resistant materials for long-lasting reliability.
Components:




3. Specifications
| Specification | Value |
|---|---|
| Model | LB-405/L237 |
| Operating Voltage | 12V ± 2V DC |
| Static Current | Not specified in detail |
| Item Weight | 220 g |
| Product Dimensions (L x W x H) | 20 x 20 x 3 cm |
| Maximum Range | 80 Meters |
| Remote Control Included | Yes (2 units) |
| Country of Origin | China |
| Manufacturer Model Number | EVTSCANuqw0vf9ecx |

4. Setup and Installation
Installation of the EVTSCAN Universal Car Central Locking System requires knowledge of automotive electrical systems. Professional installation is highly recommended to ensure correct wiring, proper functionality, and to avoid damage to your vehicle or the product.
General Installation Guidelines:
- Disconnect Battery: Before starting any electrical work, disconnect the vehicle's negative battery terminal to prevent short circuits.
- Mount Control Unit: Choose a secure, dry location inside the vehicle, away from excessive heat or moisture, to mount the main control unit. Ensure it is easily accessible for wiring.
- Wiring Connections: Carefully follow the wiring diagram provided with your product (not included in this general manual) to connect the control unit to the vehicle's power supply (12V DC), ground, central locking actuators, turn signals, and trunk release mechanism.
- Fuse Protection: Always use the provided inline fuse on the main power supply wire to protect the system from overcurrent.
- Test Connections: Before reassembling the vehicle's interior, reconnect the battery and thoroughly test all functions of the central locking system.
- Secure Wiring: Route and secure all wiring to prevent chafing, pinching, or interference with moving parts.
Note: This system is designed for 12V DC vehicle electrical systems. Do not attempt to install it in vehicles with different voltage systems.
5. Operating Instructions
Once installed, the EVTSCAN Universal Car Central Locking System is operated using the provided remote controls.
Remote Control Functions:
- Lock Button: Press once to lock all vehicle doors. The vehicle's turn signals may flash once, and the siren (if connected) may chirp once to confirm.
- Unlock Button: Press once to unlock all vehicle doors. The vehicle's turn signals may flash twice, and the siren (if connected) may chirp twice to confirm.
- Trunk Release Button: Press and hold (or press twice, depending on specific remote design) to activate the trunk release mechanism.
- Car Finding / Panic Button: Press this button to activate the vehicle's horn or siren and flash the lights, helping you locate your car in a crowded area.
Range: The maximum operating range for the remote control is approximately 80 meters, though this can vary depending on environmental factors, battery strength, and vehicle interference.
6. Maintenance
The EVTSCAN Universal Car Central Locking System is designed for low maintenance. Regular checks can help ensure its longevity and reliable operation.
Maintenance Tips:
- Remote Battery Replacement: If the remote control range decreases significantly or the LED indicator on the remote does not light up, the battery may need replacement. Refer to the remote's specific instructions for battery type and replacement procedure.
- Keep Clean: Keep the control unit and remote controls free from dust, dirt, and moisture. Use a soft, dry cloth for cleaning.
- Check Wiring: Periodically inspect visible wiring connections for any signs of wear, corrosion, or looseness. Ensure all connections are secure.
- Avoid Extreme Conditions: Do not expose the control unit or remotes to extreme temperatures, direct sunlight for prolonged periods, or harsh chemicals.
7. Troubleshooting
If you encounter issues with your EVTSCAN Universal Car Central Locking System, refer to the following troubleshooting guide:
| Problem | Possible Cause | Solution |
|---|---|---|
| System does not respond to remote. |
|
|
| Doors lock but do not unlock (or vice versa). |
|
|
| Trunk release does not work. |
|
|
| Short range for remote control. |
|
|
If problems persist after attempting these solutions, please contact the seller or a qualified automotive technician for further assistance.
8. Warranty and Support
For warranty information and customer support, please refer to the documentation provided at the time of purchase or contact your seller directly. Keep your proof of purchase for any warranty claims.