Control Quality/ Inspection/ APQP/ PPAP/ FMEA/ DOE/ Function of part features, Dimensional Management & Dimensional Validation. Design, package, attach, 2D diagram of wiring routing. Determine relative position & function of parts, subassy in the worst +/-, statistical stack-up case, Variation Simulation Analysis-VSA, Root Sum Squared RSS, Datum Strategies. Use Reverse Engineering (Prototype/ Production Assembly) to determine manufacturability/cost effective tolerance range. Use GD&T stack-up and Dimensional Variation Analysis. Design DFSS & DOE. Use concepts/Tools /Rules from: ISO9000&16949/ASME Y14.5M-1994 /ANSI Y14.5M -1992.