Check the integrity of the wiring from the injector to the ECU, if it is good the driver in the ECU may be bad. It's hard to say without verifying your test results myself. Honda ECUs are pretty good. A company called Fuel Injection Corporation in Livermore CA are best at testing the ECU for faults and repairing the ECU if it has failed. There is a company that independent auto repair shops get their information from, this same information is available inexpensively for people that work on their own cars.. The information is year make and model specific, covering repair procedures, torque specifications, fluid capacities and specifications, service bulletins, component locations, wiring diagrams ect.... Alldata is very easy to navigate http://bit.ly/AllData_Repair_Manuals_Online