Principle and Classification of Keyless Start-up System

2017-11-12 14:57:48 5

In the keyyless Start System, is start to the start to the package in or packages, the key and the privates to the key, and the privates to the signing to the command.

Combination switch, the switch, car skylight, mirrors, electric glass, remote control, reversing radar, a key to keyless entry and start system, ignition lock, car body control module (BCM)

Working principle

The system uses the most advanced radio frequency identification (RFID) technology, which can automatically switch the door lock through the chip of the smart card carried by the owner. That is to say, when the driver approaches the vehicle at a certain distance, the door lock will automatically open and release theft-proof; when the driver leaves the vehicle, the door lock will automatically lock and enter theft-proof. Status. Vehicles equipped with or without keys into the system usually have induction buttons on their door handles and keyholes, which can prevent smart cards from being damaged or out of power, and the car owners can still open the door in a normal way. When the car owner enters the car, the detection system in the car will immediately identify your smart card. After confirmation, the computer in the car will enter the working state. At this time, you only need to press the start button (or knob) in the EMU to start the vehicle normally. That is to say, whether in or out of the car, the system can ensure that the driver can be correctly identified under any circumstances.


It can be divided into two categories according to the method of use:

1. button type

The ignition button is located within the reach of the central console, so it is also called "one-button start", such as BMW, Mercedes-Benz and so on.

2. knob type

Generally located in the original key socket, but without the need to insert the car keys, directly twist the knob can start, such as Nissan, Mazda and so on.