Here is a fantastic scan of the 2000-2003 service manual. The best part is that it is properly OCR'd and searchable! You can download a .PDF version to have on your phone or tablet and search the entire document.
https://reddit.com/r/S2000/comments/7gs ... gram_pdfs/
And some more great scans of the 2000-2008 service manual here. As well as ETM and even Crutchfield Master Sheet for audio install uses.
2009 Owner's Manual: