"excessive impact" is written on the G sensor beneath the window
there is a how to fix which you have found.
I believe there is a diagram on SAU in one of the links in these subjects of a guy with a wine red 32 GTR who did a fair amount of investigation previously
don't have time right now to find it for you - use search again and in particular look for a link embedded in one of the posts.
I remember seeing 2 electrical diagrams in it.
Could try search under Attessa and G