Hunter of Trolls
Join Date: Nov 2012
Location: east coast
Thanked 175 Times in 136 Posts
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those things don't have a pre scripted time/distance/key cycle gizmo.. from my understanding, they have a required condition that must be met completely for time/distance/key cycle..
if you cleared/reprogrammed/ pulled the battery cables, it starts fresh by dumping all environmental data- then starts logging new. the sensor data has to meet each requirement for function for a time/distance/key cycle- if just one flubs up and doesn't, it doesn't post 'sensor ready'.. if you fire it up and drive a distance not long enough for the sensor to come online (such as a heated sensor), it posts a negative contribution which basically starts the whole process over again.. it can be frustrating, no?
the general consensus to bring all sensors to a ready state is to drive at least 200 miles, in at least 50 mile intervals, and stopping (key cycle) at least three times,, this is enough for all sensors to clear/come on line and record data- which puts them in a ready status..
these dang things are too smart for their own good, huh?
fwiw- with a gasser I had, I could watch the sensors live.. it took at least four lines contributed to the environmental tables before the sensor became 'ready'.. the o2 sensor came online first, the downwind o2 second, and the catalyst third.. I could see as many as 100 miles between the cat and the sensors, but it's explainable because the computer had to have x items of data before it could even speculate whether the catalyst was functioning or not- because there isn't a catalyst sensor- that info is derived from the other two sensors and some sort of lambda calculations..
will your county pass you with a two thirds rule? meaning, will two of the three allow an inspection pass?