USDJPY stayed in a trading range between 88.14 and 94.98 for several months. Now the pair is moving towards 88.14 key support, a breakdown below this level will indicate that the bounce from 84.82 (2009 low) is complete, then the following downtrend could bring price towards 84.82 previous low.
For long term analysis, USDJPY is in bullish movement from 84.82, as long as 88.14 support holds, another rise towards 100.00 is still possible in next several weeks.