Setting "Pairing Mode" on a Japanese menu is impossible without the manual. Page 24 of the English PDF tells you exactly how to reset the Bluetooth module and pair your iPhone or Android via "Pioneer ARC" app compatibility.
Across forums like Reddit, Minkara (Japanese car forums), and Drive2.ru, users constantly ask for the "MRZ09 PDF." The problem is that most links from 2018 are dead. Megaupload is gone. Rapidshare is vapor. Even old Dropbox links return a "404 Error." pioneer carrozzeria avicmrz09 english manual upd link
That is why we have curated a UPD (Updated) link for you. Setting "Pairing Mode" on a Japanese menu is
Once you download the UPD link, you will finally be able to understand what your Carrozzeria unit is capable of. Here is a breakdown of the chapters that will save your life: Megaupload is gone
You have the link. You have the PDF. Now go do these three things:
You cannot update this unit to English or non-Japan maps.