Toyota 4runner trd off road传动系统5速ECT-i自动变速器 Toyota 4runner trd off road Tiptronic Aisin ECT-i Japan's Aisin (Aisin) specializes in the production of automatic transmission companies. Founded in 1969, Aisin Seiki (Aisin Seiki Co., Ltd.), a subsidiary of Toyota, owned a 22.2% st...