Complex sentence: In 2001, Nissan marketed its D22 pick-up model in Japan with the name "Datsun", this time however the use of the brand name was wholly restricted to this one specific model name.
Split into simpler sentences: In 2001, Nissan marketed its D22 pick-up model in Japan with the name "Datsun". This time however, the use of the brand name was wholly restricted to this one specific model name.