Although dollar has fallen in Asian morning due to cross-buying in yen after yesterday's rebound from 90.35 to 91.59, as long as said yesterday's low holds, further choppy trading above recent low at 90.12 is expected to continue and above 91.17 would add credence to current consolidative view, bring another bounce toward 91.59.  
A firm breach of 90.35 anytime would signal recent erratic decline has finally resumed and price would head twd 89.45/45.