Motec m4 intake temp sensor calibration

Discussion and support for MoTeC's earlier generation ECUs

Motec m4 intake temp sensor calibration

Postby 4ndee on Sat Jul 07, 2018 6:22 am

Hi guys I have an m4 on my celica st205. I brought an air temp sensor for my intercooler pipes and it came with a graph to calibrate it. The graph is ohms against temperature. When I go on the motec it wants to calibrate it using ad counts. Does anyone know how to convert this? Thanks
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Re: Motec m4 intake temp sensor calibration

Postby SprinterTRD on Mon Jul 09, 2018 8:41 am

In the calibration table press F1 and it will give you the formula to work it out
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Re: Motec m4 intake temp sensor calibration

Postby adrian on Mon Jul 09, 2018 8:44 am

The below spreadsheet is a resistance to A/D count converter, just fill out all of the cells in pink and it will give you the A/D counts to put into the ECU.
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Volts from resistance2.xls
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