How does an immobilizer work?

The engine immobilizer is an anti-theft system built in the engine ECU. When the driver inserts this digital key into the ignition switch or takes the Smart Key fob inside the vehicle, the key transmits the electronic code to the Engine Management System of the vehicle.

What is Immobiliser system?

An immobiliser is an electronic device that prevents a vehicle from starting unless the correct key or key fob is used. Factory-fitted immobilisers are often considered the best type as you can guarantee they’ll be fitted properly and are specific to the car model.

What does the immobilizer do?

The engine immobilizer is a state-of-the-art anti-theft system. When you insert your key into the ignition switch or bring a Smart Key fob into the vehicle, the key transmits an electronic code to the vehicle.

What should I know about the immobilizer system?

The Immobilizer System protects your vehicle from theft. If an improperly-coded key (or other device) is used, the engine’s fuel system is disabled. The system may not recognize your key’s coding if another immobilizer key or other metal object (i.e. key fob) is near the ignition switch when you insert the key. As required by the FCC:

How does the immobilizer system work?

The Engine Immobiliser uses an electronic chip embedded into the ECU of the vehicle. How Engine Immobiliser Works: The engine immobilizer is an anti-theft system built in the engine ECU . It prevents the engine from starting without using vehicle’s authorized key. This system uses a special digitally coded key or a Smart Key fob.

What does the immobilizer system warning light mean?

What the immobilizer warning light means. The indicator for the immobilizers behave similarly between different vehicles, but refer to the owner’s manual for specific information on your vehicle’s system. Generally, when you first start the engine, this light will illuminate for a few seconds showing that the correct key has been used.

How does an immobilizer work in a car?

An immobiliser is a method of preventing car theft. An immobiliser works via radio frequency identification between a transponder in the ignition key and a device called a radio frequency reader in the steering column.