Heat oven to 350 F.
In medium mixing bowl, combine vanilla wafer crumbs, finely chopped pecans and butter.
Press into 9-by-13-inch baking pan; bake 15 minutes. Remove from oven and cool.
In separate mixing bowl, combine cream cheese, powdered sugar and 1 1/2 cups whipped topping. Mix until smooth; spread evenly over cooled crust.
Combine cheesecake pudding mix, milk and 1 1/2 cups whipped topping, and mix until smooth. Spread evenly over cream cheese layer in pan.
Top with pie filling, remaining whipped topping and chopped pecans.