Distance Sensor (ICC Sensor)

Distance sensor (ICC sensor) is installed on the front of the vehicle and detects a vehicle ahead using millimeter waves.

Courtesy of NISSAN NORTH AMERICA, INC.
Distance sensor (ICC sensor) detects radar reflected from a vehicle ahead by irradiating radar forward and calculates a distance from the vehicle ahead and it's relative speed, based on the detected signal.
Distance sensor (ICC sensor) transmits information for ICC from the vehicle to ADAS control unit via ITS communication.