During 6 Cylinder Mode
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2017 Honda Odyssey, 2016 Honda Odyssey, 2015 Honda Odyssey, 2014 Honda Odyssey, and 2013 Honda Odyssey. However, it is still accessible from the selected car via links, so may be relevant.
With rocker arm oil control solenoids A (Bank 1), B (Bank 1), and A (Bank 2) OFF, the rocker arm oil control valves direct oil pressure. Oil pressure enters the primary rocker arm from the oil passage in the rocker shaft, and it moves the VTEC switching piston, sliding it into the secondary rocker arm, and locking the primary and secondary rocker arms together. The rocker arms are lifted by the camshaft, and all cylinders are active.