NO ! Don't believe Wikipedia on that one. Chassis codes are YD for 2wd versions and YE for 4wd versions.

I know these ones so far.

YD21S 1.6 2wd (M16A) jp, aus
YE21S 1.6 4WD (M16A) jp, aus
YDA1S 1.4 turbo 2wd (K14C) eu
YEA1S 1.4 turbo 4WD (K14C) jp, eu, aus
YD..? 1.0 turbo 2wd eu
YE..? 1.0 turbo 4WD eu