| Explain to me why you are calling your two maps high and low octane maps??? What causes the ECU/car to run in the low octane map and what causes the car to change to the high octane map?? They are referred to as high and low octane maps by the EFI tuning insudtry. I'm just following the standard. It is called the low octane map because it is the map used when excessive knock is detected, but it also gets used when a number of different faults are detected. You can think of it in terms of a safe map and a power map. But it only uses one map at a time. The idea of this is for safety. It has a secondary map to revert to when things aren't right. What causes it to read from one or the other is dependent on whether or not there is a problem detected. This is not my programming, but it is the programming the ECU was designed with as per Nissan. Its a great system - no reason to change it. The details of what causes it to read one or the other are very clearly defined in my original post here as well as the one I posted last night. "I am used to seeing stand alone systems with a regular load map which the car runs in 90% of the time and a WOT map. But no low and high octane map UNLESS you switch maps manually. So what changes your program from high to low octane??" I'm not familiar with that kind of setup - the ones I have seen are all in one map. But I see how that would work based on your description. But again, "my" program doesn't switch between the two based on some instruction I put in there, it automatically switches to the low octane map in the event something is wrong.
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[ agpowers@bellsouth.net ] [ Zemulator Information Sheet ] When pigs dance, you better get it on video... "You never really learn to swear until you learn to drive."
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