ECU Memory
09 February 2002, 06:38 AM
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My local Subaru dealer here in Cyprus informs me, that the ECU holds the previous 24 hours of engine run information from all of it's sensors in memory. If there is a problem then the garage can download this information to find the cause of the fault. Allowing them to escape a warranty claim if you have been abusing the engine. Does anyone know if this true?
09 February 2002, 10:16 AM
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Doesn't sound very true to me - it certainly will memorise sensor faults, but I am pretty sure that datalogging is not a key part of the JECS ECU. Twenty-four hours of datalogging is an awful lot of data. And if it only stores peak values how does that prove abuse.
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