This appendix provides a sample of Chrysler's PSO methodology to illustrate the connection between the APQP and the PPAP. Of course, all the automotive companies have their own way of sign-off, however, we are demonstrating the significance of planning. The sign-off is the closure of all APQP, and if one has done all the work as required, when it was required, the sign-off activity becomes nothing more than a ritual, filling the forms with the appropriate authorized signatures.

A Case Study of Chrysler's PSO Procedure

Evolution

In the early to mid 1980s, suppliers of new automotive components and/or systems were required to submit samples to Chrysler's internal receiving inspection department prior to vehicle launch. The samples were submitted with an initial sample inspection report (ISIR). The ISIR certified that the parts met specifications and were made from the production tools. Chrysler would inspect the parts; run validation tests; and ensure form, fit, function, and appearance on the vehicle.

Once approved, the supplier could be paid for the tooling of these warranted parts. In many cases, payment meant that the supplier's process was approved and the business relationship was solidified. If the supplier's...