ECU(S8) MY1998 how to read SSM data ?
28 March 2009, 12:35 AM
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ECU(S8) MY1998 how to read SSM data ?
Anyone know how to read logged data from my ECU - I got Evoscan and proper cable to log the data - only thing is that i'm not sure about some of formula to calculate the proper numbers from read data. The main is O2 afr reading -> this ecu got 3 types of o2 data - O2min , O2max , O2ava ->which one is the most important (the real time reading from sensor) - and another question is that Evoscan man done formul for O2min - is x-128 and it should give the % - i'm not sure about this numbers and another thing is that i would like take the AFR data (it should be 100%=14.7) or the Voltage ... I got ssm.pdf from 1999 but it looks different to my data i think -it said x/128 it give lambda number... it's confusing ... Anyone could help ?
31 March 2009, 01:13 PM
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16 June 2009, 10:17 PM
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what is your experience of evoscan. I am swapping from 8S ecu to a prodrive one on a my98 uk turbo 2000, and fancy comparing the two. Did you buy direct from new zealand or from someone in the uk? Does it come with those 'virtual' guages and can they show anything you want? Am i right in thinking you bought the 9 pin & 16 pin cables and it plugs into the spare socket (or is it a plug?) near the ecu? Are you using a wideband 02 sensor or trying to read the stock one. I believe the stock 02 sensor readings will be pretty meaningless as the 1v resolution of the sensor is too narrow to give proper afr information. I think the best it will tell you is that it is rich enough at WOT.
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