I have a obd2b 99 civic ex..I just bought a obd2a b18b1 to drop in. I have a obd2a ecu with a obd2b-obd2a jumper harness. I just wired up my 99 ex harness to the b18b1 motor. I can't figure out what cfk Bypass to do or if I even need to do it. So plz help me figure this out. Thanks