A fluid flow path control unit for a vehicle drive system, the vehicle drive system including: a motor (2A, 2B, 2C) configured to generate driving force to drive a vehicle; a hydraulic connection/disconnection unit (60A, 60B) that is provided on a power transmission line defined between the motor (2A, 2B, 2C) and a wheel (LWr, RWr), the hydraulic connection/disconnection unit (60A, 60B) configured to connect and disconnect the transmission of power therebetween; and a fluid supplied portion that is at least one of the motor (2A, 2B, 2C) and the power transmission line and to which fluid that is used for cooling or lubrication is supplied, the fluid flow path control unit including: a fluid supply unit configured to supply fluid to the hydraulic connection/disconnection unit (60A, 60B) through a hydraulic path (75a, 75b, 77) and to the fluid supplied portion through a fluid flow path (75a, 76a, 76b, 76c); and a flow path selector valve that is disposed on the fluid flow path (75a, 76a, 76b, 76c), wherein the flow path selector valve includes a valve element that is switchable between a first operating position and a second operating position, wherein the fluid flow path (75a, 76a, 76b, 76c) has a flow path resistance which differs between when the valve element is in the first operating position and when the valve element is in the second operating position, a restoration member configured to bias the valve element from the second operating position toward the first operating position and a fluid chamber configured to accommodate fluid for biasing the valve element from the first operating position toward the second operating position, and characterized in that the fluid chamber communicates with the fluid supply unit when the valve element is in the first and second operating positions, and that the fluid supplied from the fluid supply unit is inputted into the fluid chamber so that the valve element is switched between the first and second operating positions in accordance with a pressure of the fluid supplied from the fluid supply unit. a motor (2A, 2B, 2C) configured to generate driving force to drive a vehicle; a hydraulic connection/disconnection unit (60A, 60B) that is provided on a power transmission line defined between the motor (2A, 2B, 2C) and a wheel (LWr, RWr), the hydraulic connection/disconnection unit (60A, 60B) configured to connect and disconnect the transmission of power therebetween; and a fluid supplied portion that is at least one of the motor (2A, 2B, 2C) and the power transmission line and to which fluid that is used for cooling or lubrication is supplied, a fluid supply unit configured to supply fluid to the hydraulic connection/disconnection unit (60A, 60B) through a hydraulic path (75a, 75b, 77) and to the fluid supplied portion through a fluid flow path (75a, 76a, 76b, 76c); and a flow path selector valve that is disposed on the fluid flow path (75a, 76a, 76b, 76c), wherein the flow path selector valve includes a valve element that is switchable between a first operating position and a second operating position, wherein the fluid flow path (75a, 76a, 76b, 76c) has a flow path resistance which differs between when the valve element is in the first operating position and when the valve element is in the second operating position, a restoration member configured to bias the valve element from the second operating position toward the first operating position and a fluid chamber configured to accommodate fluid for biasing the valve element from the first operating position toward the second operating position, and a valve element that is switchable between a first operating position and a second operating position, wherein the fluid flow path (75a, 76a, 76b, 76c) has a flow path resistance which differs between when the valve element is in the first operating position and when the valve element is in the second operating position, a restoration member configured to bias the valve element from the second operating position toward the first operating position and a fluid chamber configured to accommodate fluid for biasing the valve element from the first operating position toward the second operating position, and