Originally Posted by tintnsound
2005 for both JDM and USDM seems to be the year the NSS inverted. I don't know for sure on the JDM 6mt maybe someone else could chime in on this.
There is a little fuzziness as to when they switch things in Japan, seems to be a half a year earlier than in the US and sometimes happens at the end of the prior production year.
I am happy that I can just select the proper signal in the rom, just one checkbox.