A method for performing an operation for a first terminal in a wireless communication system, according to one embodiment, comprises the steps of: transmitting a sidelink signal to a second terminal by using a sidelink resource; receiving a reception response to the sidelink signal from the second terminal; performing a radio link failure (RLF) procedure on the basis of the reception response; and transmitting, to a base station, a RLF instruction for indicating that the RLF procedure has been performed on the basis of the allocation of the sidelink resource by the base station, and not transmitting the RLF instruction to the base station on the basis of the selection of the sidelink resource by the first terminal.