RX7Club.com - Mazda RX7 Forum - MAP Sensor Calibration Table

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InspectorSeb

Aug 27, 2024 10:04 AM

MAP Sensor Calibration Table

Does anyone have a reference table for the factory MAP sensor?

I am using the built-in Haltech MAP sensor, and would like to re-purpose the factory 2 bar MAP sensor as a barometric pressure sensor, but I can't seem to find any calibration data on it

scotty305

Aug 27, 2024 07:57 PM

I'm not sure how Haltech needs the sensor scaling info, but my AEM Infinity ECU calibration shows min volts 0.76V represents 0kPa, and max volts 4.85V is 219 kPa.

FDAUTO

Aug 28, 2024 06:44 AM

You can build a calibration table yourself with a multimeter and a vacuum/pressure pump.

InspectorSeb

Sep 5, 2024 08:45 PM

Quote:

Originally Posted by scotty305 (Post 12611724)

I'm not sure how Haltech needs the sensor scaling info, but my AEM Infinity ECU calibration shows min volts 0.76V represents 0kPa, and max volts 4.85V is 219 kPa.

Thank you! That puts ambient pressure within a few kPA of the built in Haltech sensor

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