hi ,i think that need not super 16 to connect by x431 IV
if you are interested in any diagnostic tool for launch ,pls visit our website :www.x431mall.com
or contact us by email :x431mall@hotmail.com
thank you
You cannot use the Super 16 with the X431 IV and it's not necessary because the modern X431 IV uses it's own small 16pin adapter and covers canbus and non-canbus, OBD1 and OBD2 systems
The super 16 is just for the really old Launch Master model