It is possible to explain to the distinction between V1 and V2 While using the connector around the underside of the throttle overall body. V1 takes advantage of three lesser plugs for camshaft posture, crankshaft situation, plus the knock sensor when V2 combines these into just one 12 pin connector. https://rafaelazhrw.ltfblog.com/28623821/detailed-notes-on-jdm-subaru-ej20-engine