Function and features

Key features of the Controller Area Network (CAN):

• Signals are bi-directionally transmitted.
• Multi-master principle.
• Provides high efficiency by identifying faulty control unit.

  Control units for each system for optimal control and various types of information required for each control are required for electronic control of vehicles for reduction of exhaust gas and enhancement of convenience/safety. Accordingly, the common use of various sensors necessary for controlling each control unit is required, and for this purpose, CAN (Control Area Network) communication method, which is resistant to electrical noise and enables high-speed communication, is used to control the vehicle's power train (engine and automatic transmission) and other controls. It is used for efficient information sharing with units (ABS, TCS, VDC or instrument panel, etc.). Through CAN communication, each control unit performs efficient and optimal control by mutually sharing important signals (engine speed, coolant temperature, throttle opening, etc.).