Thanks for keeping this thread updated. I was wondering about the relay used for the horns. My dad used to drive Caddys when I was growing up and I always got a kick out of the way these horns sounded.
Body ECU
Thanks for the info. I’m looking for the ECU that controls the interior lights.
Map lights function, doors open light comes on in the instrument cluster but no interior lights. There is no 3 way switch by rear view mirror.
2000 4Runner SR5
