#Genisys scan tool problems datastream how to#

I decided to check if the 3 ground wires to the ECM had good contact to ground. I checked injector supply voltage to ground while running the engine, and it read 14.2 volts at all 6 injectors. It was hard to tell because the pulses are quick. ItвЂ™s a light that blinks red for negative and green for positive and it appeared that the red and green lights were both blinking. Next I bridged some wires between the harness connectors and injectors, started the engine, and tested the signal with a test light. I tested the positive connection on the harness to all of the injectors, and they all read 12.3v while not running. I spent some time on the boat last night, and am unable to find anything apparently wrong. Does anybody have any suggestions? It seems that most posts I've seen about the alarm is that it doesn't beep until the engine is running, but mine does anytime the ECM has power. I don't have a scan tool, but I also don't want to be at the mercy of the dealer just yet.

The alarm kept beeping even after clearing the codes. After running it I get code 81, which could be multiple things, but none of them would trigger the audible alarm. The first time I pulled codes I got 12, 14, and 81. I have also pulled the codes by shorting the diagnostic connector and hooking up a light. It starts beeping immediately when I turn on the key and never stops until the key is off. The audible alarm beeps 2 times, pauses, beeps 2 times, pauses and so on.

#Genisys scan tool problems datastream how to#

I think the only other thing that will trigger protection mode is the exhaust riser temperature sensors, but I don't know how to test them. The ECT sensor ohms out correctly for ambient temperature. The oil pressure gauge shows that it has good oil pressure and it increases when revving the engine. I'm assuming it's in protection mode for some reason. The previous owner said that it bogged down bad when trying to drive it on the water. I haven't had it out on the water yet, but it runs perfect on muffs without a load.