Test of ECUs with LIN 2.0 Interface

The LIN bus was standardized in the late 1990s, and has been in widespread use in the automotive industry since. The reason for its introduction was the necessity to increase the communication capability that pushed the envelope of CAN networks because of high numbers of ECUs and data volume in vehicles. From an economic point of view the challenge was to develop a cheaper alternative to the relatively complex CAN interface. A LIN network always connects a limited number of ECUs that build a closed functional unit. The coupling of single LIN subsystems to the vehicle’s central CAN network is done by a control unit with gateway function. The communication on the LIN bus is monitored by a Master bus device. The remaining ECUs work in Slave Mode.