You need to run the car through it's drive cycle before the computer can perform all of it's emissions tests. Look up the drive cycle specified by Honda, perform the drive cycle, and then it should be all set.
The 2005 Honda Accord is a gas-powered vehicle.
The 2013 Honda Accord is a gas-powered vehicle.
The 2014 Honda Accord is a gas-powered vehicle.
The 2012 Honda Accord is a gas-powered vehicle.
The 2006 Honda Accord is a gas-powered vehicle.
The 2009 Honda Accord is a gas-powered vehicle.
The 2004 Honda Accord is a gas-powered vehicle.
The 2007 Honda Accord is a gas-powered vehicle.
The 2008 Honda Accord is a gas-powered vehicle.
The 2003 Honda Accord is a gas-powered vehicle.
The 2011 Honda Accord is a gas-powered vehicle.
The 2010 Honda Accord is a gas-powered vehicle.