Zero Point Calibration 2004 4 Runner . I followed the instructions in the post above mine. I am quoting from another site and providing a link I'm sure is It has something to do with the can bus system protocols not being recognized. 2004 TOYOTA 4 RUNNER4.0 ENGINE, I JUST GOT IT BACK FROM ... (Delia Dawson) I forgot to add the procedure for calibrating the deceleration sensor. When driving, the current vehicle position mark will be automatically corrected by GPS signals. Reading through the suspension install threads everywhere, I've found that everyone seems only to be concerned about the KDSS issues we all know about and getting the front wheels properly aligned, but no one seems to care about the calibration of the Yaw Rate and G sensor. Is it maybe that no one. I just had the reason the check engine lights came on for it, but the calibration was not done. is this something I can do. Trac Off Toyota Highla...