the performance of the mechanical headlamp aiming device performance currently specified in SAE Standard J602 ... to be maintained, any new mechanical aiming method must have at least the accuracy of the method presently in use. ... The proposal for aiming instructions of the VHAD was not specific in detail in an attempt to provide the widest latitude for manufacturers. ... Nissan commented that the on-vehicle aimability performance proposal would allow headlamps with movableanbsp;...
|Title||:||Federal Motor Vehicle Safety Standards and Regulations|