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EVOScan MAP Sensor Voltage formula???

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Old Jun 9, 2016, 01:28 PM
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EVOScan MAP Sensor Voltage formula???
Does anyone have the EVOScan MAP Sensor Voltage formula or dataitem list? I know and have the one for calculating PSI from request 38 I think. Is there a formula for logging the same request or getting it in volts. Presumably it would be a 0-5v scale. This would be awesome for keeping an eye on voltage the MAP sensor is receiving or putting out, to know if a sensor is going bad.

Thanks in advance.
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Old Jun 9, 2016, 08:53 PM
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Old Jun 10, 2016, 01:11 AM
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Old Jun 12, 2016, 03:03 AM
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Originally Posted by Raceghost
Does anyone have the EVOScan MAP Sensor Voltage formula or dataitem list? I know and have the one for calculating PSI from request 38 I think. Is there a formula for logging the same request or getting it in volts. Presumably it would be a 0-5v scale. This would be awesome for keeping an eye on voltage the MAP sensor is receiving or putting out, to know if a sensor is going bad.
A general formula for a 0-5V ADC input value as volts (to the nearest 0.02V) would be
x * 0.019531 + 0.009766
however for readings to the nearest 0.1V
x * 0.019607
should suffice.
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Old Jun 21, 2016, 12:40 PM
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Thank you. Seems to work fine.
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