Distance Sensor

Distance sensor is installed behind the front grille and detects a vehicle ahead by using millimeter waves.

Courtesy of NISSAN NORTH AMERICA, INC.
Distance sensor detects radar reflected from a vehicle ahead by irradiating radar forward and calculates a distance from the vehicle ahead and relative speed, based on the detected signal.
Distance sensor transmits the presence/absence of vehicle ahead and the distance from the vehicle to ADAS control unit via ITS communication.