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Congratulations waross on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!
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ECU SW
The OBDII DATA may be aquired (downloaded) but the actual MAPS (fuel, ingition, etc.) can't be, I don't think. That data is stored in the memory chips inside the ECU. SOmetimes they are called "MemCal" chips. MemCal is "memory calibration" and must be read directly from the chips. I believe some...- VetNutJim
- Post #3
- Forum: Automotive electrical & sensor engineering
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Speed sensor loosing signal
Most Microprocessors use a Schmitt Trigger on the inputs that are connected to 'real world' sensors. Therefore the signal from the sensor does not have to be shaped as it will be squared by the Schmitt trigger on the input itself. If you are losing the signal from the sensor perhaps the wiring...- VetNutJim
- Post #4
- Forum: Automotive electrical & sensor engineering
