Fault positioning system for to-be-detected equipment of civil aircraft

The utility model discloses a fault positioning system for equipment to be detected of a civil aircraft. The system comprises a main controller, a core module and an interface module, the main controller sends a control instruction to the core module; the core module comprises a control execution sub-module and a test sub-module; the control execution sub-module is used for receiving a control instruction sent by the main controller and transmitting the control instruction to the test sub-module; the test sub-module receives a feedback signal of equipment to be detected according to a control instruction and feeds back the feedback signal to the main controller through the control execution sub-module; the main controller carries out fault positioning according to the feedback signal to obtain the fault type of the to-be-detected equipment; the interface module is used for connecting the core module and a device to be detected. According to the fault positioning system for the to-be-detected equipment of the