WARNING: This page is about a different car, the 2013 Honda Fit, 2012 Honda Fit, 2011 Honda Fit, 2010 Honda Fit, and 2009 Honda Fit. However, it is still accessible from the selected car via links, so may be relevant.
The accumulators are located in the regulator valve body and servo body. The regulator valve body contains the 1st and 4th accumulators, and the servo body contains the 2nd, 3rd, and 5th accumulators.