How the Immobilizer System in your Car Works?

Nowadays, the modern cars have an electronic security device known as immobilizer system. It is a theft deterrent system mostly used in the car to prohibits the engine from starting by igniting the engine as well as injecting the fuel when the keys with an ID code previously registered in your car. While the immobilizer system of your car already has a security indicator light that will be flashed to indicate that the system is set.

How does the immobilizer system work?

Thus, the immobilizer system of your car has an anti-theft system that would be built in the engine electronic control unit for preventing the engine from stalling without using your car's authorized keys. This is a system specifically referred to as a digitally coded and contain a transponder chip. It is used to store the electronic security of your car through the car's password. The ECU of your is unable to activate the fuel system as well as the ignition circuit if the key and the stored immobilizer does not match.

When the driver inserts the digital key of their car into the ignition switch inside the car, the key transmits the electronic code to the engine management system of your car. If the transponder chip code inside the key is matched with the immobilizer system code, then the engine starts automatically.

How does the electronic immobilizer work?

The advanced electronic immobilizer system is mostly used in latest cars uses for the rolling or changing of the security codes. This system is now featured in the cars like BMW that consists of two tire security such as permanent personal code and a changing second code. When you use your keys to start the engine, the system changes the second code automatically and stores it in the key. When the driver switches on the ignition, then the immobilizer first reads the personal code and request for the second rolling code.

When these two codes are matched with each other, then the immobilizer system of your car sends another coded signal to your car's engine management system that can be used to unlock and start the engine. The absence of second security code, if anyone tried to short-circuit the ignition circuit when the engine of your car unable to start. As a result, it will protect your car from theft.

Functions of the immobilizer system

The immobilizer use an excellent piece of electronic security technology that should be fundamentally referred to be an anti-theft system. Its main objective is to prevent your car from being hot wires and stolen by a burglar who doesn't have the keys to start the engine. As per the recent study, it proves that after introducing the immobilizer systems in the car can reduce the 40 percent of the theft in our society.

If you have purchased the car which has probably undergo with the immobilizer system, then these key fobs represent to be the smart system. The interior of the main immobilizer system contains the transponder chip. So, when you place the key to the ignition, the inside transponder ship sends a security code into the immobilizer. When you start your car, this security code is random every time as well as the key is the only source of your car which is used to generate the correct token for your car.

Different problems of the immobilizer system

Like other parts of your car the immobilizer system also malfunction and create many problems in your car. Such as:-

• If the immobilizer system of your car has some problems, when you use your keys for locking the doors remotely, then the doors do not luck. Now in the moderns cars don't have the keyholes on the outside of the car, so you unable to open them manually with your keys.
• Due to the faulty immobilizer system you also probably unable to unlock your door by using the smart keys. If you lock your car door from inside and then close the doors, then you unable to get it back the car because of the smart key is unable to unlock the door.
• If your car has problems with the locking mechanism the engine of your car does not start at all. When you find that your engine does not start after your few attempts, it proves that your car either have a problem with the immobilizer or the smart key itself.
• Thus, the immobilizer is the main security system of your car, that means the alarm system won't work if the immobilizer system of your car is faulty. Then the alarms of your immobilizer system unable to alert you regarding your car theft.

Conclusion

If the immobilizer system of your car got damaged, then the reason behind is the corroded wires. These situations always require immediate inspection and need to go to your dealer and a mechanic to fix the problem.

Since 1969, Dell’s service center has been providing relentless service to German & European made vehicles such as Audi, BMW, Mini Cooper, Volkswagen, Mercedes, Porsche, Land Rover, Jaguar, Saab, & Volvo in Green Bay, Appleton, and Sturgeon Bay.