Same here. Someone kind enough on the forum was willing to share and I believe Tesla may even have an option to download them now. PM if anyone wants or needs them.
https://www.tesla.com/sites/default/files/blog_attachments/eng_jp_2.5owners_manual_-_web_version_-_ja_en_0.pdf
Just stumbled across this site Tesla Roadster the PDF file is to big for me to post here but its available online
Got the link for the 2010 Service Manual from @ cooVariable.....many thanks, Only prob is many of the pics/schematics are for 2008-9. Is there a link also available for 2011 or 2012 Service Manuals that would have the up to date info for the 2010-2012 2.5 Models ??
You can get the Service Manual and Electrical Schematics directly from Tesla: Welcome | Tesla Service Sort of. The Service Manuals were developed for the 1.5 Roadster by a 3rd party; in 2012-2013, after Tesla stopped using that company and started developing service information in-house, we found that the original developer had made some service procedures specifically for the Roadster 2.0/2.5, but they were not properly cataloged and some were incomplete. Every procedure that was at least partially complete was finished and made available on the site above. In terms of the Service Manual, maybe 25% of procedures have different versions for Roadster 2.0/2.5. It's probably "fairly" comprehensive but I wouldn't count on every little difference being accounted for. I'm pretty sure that Electrical Schematics are available for all variations.
PM me your email address and I will email you the wiring diagrams. I also was the last one to edit the Roadster Service manual. Not sure if I am ready to let it into the wild just yet