In a bowl, combine pecans, coconut, and butter. Pour into an ungreased jellyroll pan and bake at 350° for five to eight minutes or until golden brown, stirring every two minutes. Cool.
In a mixing bowl, beat cream cheese and sugar until smooth; fold in whipped topping. Spoon into prepared pastry shell. Sprinkle with coconut mixture. Drizzle with caramel topping. Refrigerate for two hours.
Store leftovers in refrigerator. Yield: Six to eight servings.