AIMING ADJUSTMENT METHOD AND AIMING ADJUSTMENT APPARATUS FOR VEHICLE LAMP

An aiming adjustment method for adjusting a posture of a vehicle lamp provided with a LIDAR device includes: providing a screen in front of the LIDAR device; detecting a state of a surface of the screen by the LIDAR device; detecting an angular error of the posture of the vehicle lamp based on a detection signal indicating the detected state of the surface; and correcting the posture of the vehicle lamp based on the angular error.