Patent ID: 8256280

Claim:
An arrangement structure for a sensor to be mounted to an engine of a vehicle, wherein the engine is arranged in an engine compartment of the vehicle in a posture allowing a crankshaft of the engine to be oriented in a widthwise direction of the vehicle, and the sensor is mounted to a lateral surface of the engine, the arrangement structure comprising: a driveshaft arranged along a vehicle-rearward lateral surface of the engine facing in a rearward direction of the vehicle, to rotatably drive a front wheel, the driveshaft including: a driveshaft body and a universal joint unit provided at one end of the driveshaft to have a diameter greater than that of the driveshaft body, and wherein the sensor is mounted in opposed relation to the universal joint unit; and a flange section provided as a joining section between two members constituting the engine, the flange section protrudes from the vehicle-rearward lateral surface of the engine in the rearward direction of the vehicle by a predetermined distance and at a height position below that of the driveshaft, wherein the sensor is mounted to the vehicle-rearward lateral surface of the engine at a height position located above the flange section and within the predetermined distance of the protrusion of the flange section in the rearward direction of the vehicle such that the sensor is covered by the flange section from below, and the sensor is mounted in overlapping relation with the universal joint when viewed from a rear side of the vehicle such that the sensor is shielded from the rear side of the vehicle by the universal joint.