What's Up CL.

I've been browsing this site ever since I purchased my Lex a couple of months ago. You guys got it goin on!! It's good to know there are many others out there in luv with thier Lexus.

My question is concerning the electric engine fan on my 91 LS. Is there an external sensor that controls the operation? If so, where?? For some reason, mine doesn't seem to want to shut off.