Mid-2000's saw a lot of models transitioning to digital controls and standardizing of those interfaces. Since I have no specific knowledge of Toyota 4Runners, t

Mid-2000's saw a lot of models transitioning to digital controls and standardizing of those interfaces. Since I have no specific knowledge of Toyota 4Runners, this is the best I've got. http://obdii.com/connector.html http://obdii.com/connector.html