The LCD/MID Segment Check
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 multi-information display: When entering the self-diagnostic mode, the words "CHECKING NOW" show on the MID, and blink five times.
Without multi-information display: When entering the self-diagnostic mode, all the segments blink five times.