I am not sure the technical of it exactly.. the entertainment system has the aux input for both video/audio signal... however, it needs a converter box... !.. it should work
1. the system needs to modify. to play DVD while driving
2. the converter box. can purchase.. from toyota.. around ? $350
3. my got hooked up.. with RCA end.. for my HD media player..
ps... ipod video playing. also need the converter box too