The matching method of the engine anti-theft chip is to first go to the 4S shop to buy a blank key, and then open the slot, that is, play the keyhole well, and finally take the configured key and the key code with the car to the 4S shop to match.
Used in the automotive field, the chip is known as a magnetically coupled forwarding system. The magnetically coupled forwarding system is passive in nature, and the chip itself does not need a constant power supply, so it does not need to be powered on at all times. The role of the car key chip: When the car key is turned on in the ignition switch, the engine control unit on the car will send a set of encrypted electronic code signals to the chip in the car key, and only when the car ECU unit can read the feedback and receive the correct anti-theft code signal will allow the car to start.
The so-called engine electronic anti-theft refers to the vehicle computer module contains an anti-theft computer, which controls the starting circuit of the engine.
A password reader installed in the ignition switch recognizes the chip information contained in the inserted key, and if the password matches, the car can start normally.
If the password is incorrectly identified (that is, the later key),