What is a passive anti theft system?

What is a Passive Anti-Theft System?

In the world of automotive security, there are various types of anti-theft systems designed to deter and prevent car theft. One such system is a Passive Anti-Theft System (PATS). In this article, we will delve into the world of PATS, exploring what it is, how it works, and its benefits.

What is a Passive Anti-Theft System?

A Passive Anti-Theft System is a type of anti-theft system that does not require any external power source to function. Unlike active anti-theft systems, which rely on electrical signals to detect and prevent theft, PATS relies on the vehicle’s internal mechanisms to prevent unauthorized entry.

How Does a Passive Anti-Theft System Work?

PATS works by using a combination of mechanical and electrical components to prevent the theft of a vehicle. Here’s a step-by-step explanation of how it works:

• Immobilizer: The immobilizer is a small electronic device that is installed in the vehicle’s dashboard or steering column. It contains a unique code that is transmitted to the vehicle’s computer when the ignition is turned on.
• Steering Column Lock: The steering column lock is a mechanical device that is connected to the immobilizer. When the vehicle is turned off, the lock engages, preventing the steering column from being turned.
• Ignition Switch: The ignition switch is connected to the immobilizer and the steering column lock. When the ignition is turned on, the immobilizer sends a signal to the vehicle’s computer, which checks the code to ensure it matches the one stored in the computer.
• Computer Check: If the code matches, the computer sends a signal to the steering column lock, releasing it. The driver can then turn the ignition and start the vehicle.

Benefits of a Passive Anti-Theft System

PATS offers several benefits that make it an effective anti-theft solution:

• No Power Required: PATS does not require any external power source, making it a reliable and maintenance-free option.
• No Battery Drain: Unlike active anti-theft systems, PATS does not drain the vehicle’s battery, reducing the risk of dead batteries.
• Simple Installation: PATS is relatively easy to install, as it does not require complex wiring or electrical connections.
• High Security: PATS provides high security, as it is difficult for thieves to bypass the system without the correct code.

Types of Passive Anti-Theft Systems

There are several types of PATS available, including:

• Immobilizer-based PATS: This type of PATS uses an immobilizer to prevent the vehicle from being started.
• Steering Column Lock-based PATS: This type of PATS uses a steering column lock to prevent the vehicle from being driven.
• Combination PATS: This type of PATS combines both immobilizer and steering column lock-based systems for added security.

Comparison with Active Anti-Theft Systems

While PATS is an effective anti-theft solution, it has some limitations compared to active anti-theft systems:

• Detection Time: PATS can take longer to detect and prevent theft, as it relies on the vehicle’s internal mechanisms.
• Complexity: PATS is relatively simple and easy to install, but active anti-theft systems can be more complex and require professional installation.
• Cost: PATS is generally less expensive than active anti-theft systems.

Conclusion

In conclusion, a Passive Anti-Theft System is a reliable and effective anti-theft solution that provides high security without the need for external power sources. Its simplicity, ease of installation, and high security make it an attractive option for vehicle owners. While it may have some limitations compared to active anti-theft systems, PATS is a valuable addition to any vehicle’s security arsenal.

Table: Comparison of Passive and Active Anti-Theft Systems

Bullets List: Benefits of a Passive Anti-Theft System

• No power required
• No battery drain
• Simple installation
• High security
• Difficult to bypass without the correct code