USD/JPY tilted lower in Asian trade off September 14 highs following earlier data from Japan and ahead of some US data.
As of 06:55 GMT, USD/JPY fell 0.15% to 104.70, with an intraday low at 104.67.
Earlier Japanese data showed consumer prices unchanged in September, compared to a 0.2% increase in August.
Core prices excluding food and energy also remained at zero, compared to a 0.1% dip in August.
From the US, the manufacturing PMI is expected up to 53.5 from 53.2, while the services PMI is expected up to 54.7 from 54.6.
US Democrats and Republicans remain in a tug of war over Covid relief before the November presidential elections, while the World Health Organization reported 41.1 million global cases so far of the coronavirus, with the death toll standing at 1.128 million.