A connector includes a connector housing including: a plurality of insertion holes; a plurality of connection terminals inserted into some of the plurality of insertion holes and configured to be electrically connected to a first set of a plurality of tab terminals of a sensor unit; and a joint terminal accommodated inside the connector housing. The joint terminal includes at least one grounding terminal part electrically connected to at least one of a second set of the plurality of tab terminals and a joint connection part electrically connected to a ground connection terminal, which is one of the plurality of connection terminals.