Passenger car mounted network control system

The utility model relates to a passenger car load network control system which is designed according to the characteristics of passenger cars and is composed of five control units, and the network communication is adopted for control, management and fault diagnosis. The utility model comprises a front lamp light control unit, a rear lamp light control unit, a motor signal unit, a meter display unit and a central control unit, wherein the central control unit is used for controlling and managing the whole of network systems and comprises a microprocessor of an integrated CAN controller, a CAN transceiver, a CAN bus interface, regulated power supply, an input interface circuit, an output interface circuit and a switch signal detection circuit; lamp light control unit structure comprises a CAN transceiver, a microprocessor of an integrated CAN controller, a high-current high-side switch, regulated power supply, an output interface circuit and an input interface circuit; motor signal unit structure comprises a CAN transceiver, a microprocessor of an integrated CAN controller, regulated power supply, an output interface circuit and an input interface circuit.