2007 Honda Odyssey Clicking noise when starting van, right rear passenger side, stops after about 30 seconds

Doe,s your van have sliding rear automatic door,s?

Yes

Then i would think it,s the relay,doing the clicking,if it stop,s as you say in 30 second,s,.It is not that big of deal,as long as door is opening right and closing,you can change it,but i think i would wait untill it goe,s out.

thanks