Abstract:
A failure detection system includes: an information processing device mounted in a vehicle or installed on a road; and a vehicle-mounted device mounted in another vehicle. The information processing device includes: a lighting determination device of a rear lamp of a periphery vehicle; an acquisition device of vehicle identification information of the periphery vehicle; and a transmission control device transmitting result information of lighting determination and the vehicle identification information to the vehicle-mounted device. The vehicle-mounted device includes: a vehicle determination device determining whether the periphery vehicle is the another vehicle; and an output device producing an output in accordance with the result information when the periphery vehicle is the another vehicle.