Civic EG

i have done my swap from auto to manual,now my problem is i dint change my ECU to manual n stay at auto ECU,yes i know there is CEL on,but can i throw the CEL off without change to manual ECU ?
what is the different between auto n manual ECU ? i have drive with auto ECU almost a month seems everything ok,just the CEL keep light on
advice please ~~!!

D15B vtec EG8

http://civic-eg.com/viewtopic.php?t=963 There's no other way to get the light to go off, unless you are using a chipped ecu maybe. but that is more work.