Pioneer | Carrozzeria Avicvh009 English Manual Upd
Turn on the unit. Go to: System Settings -> Version Info (Look for Version 情報). If your version ends in -J (e.g., 1.02-J), you are on pure Japanese firmware.
Updating a JDM unit outside of Japan is tricky because the official Pioneer update servers often block non-Japanese IP addresses, and the maps are specific to Japan. pioneer carrozzeria avicvh009 english manual upd