AF ratio from obd or canbus?

FlashPro questions & answers specific to the 2006-2009 (US, UK, Asia) S2000
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ncrx
Posts: 2
Joined: Tue Aug 18, 2020 11:36 am

AF ratio from obd or canbus?

Post by ncrx »

Hi,

I'm looking for the CAN ID for the AF ratio.
I can get the AF ratio to display on my phone with the hondata app. But i would like to funnel this data into my external racecapture logger/display.
I'm able to retrieve and match up the rpm, tps, iat, ect to hondata's values.

Thanks
Nick
ncrx
Posts: 2
Joined: Tue Aug 18, 2020 11:36 am

Re: AF ratio from obd or canbus?

Post by ncrx »

I was able to extract some values over the obd stream with my racecapture and trying to match it up to the hondata a/f
Pid 14/15/19 seem to give me a value for o2 voltage i think.
Is this the correct formula to convert it to AF?
ODB2 Mode and PID: 0114
Minimum value: 0.0
Maximum value: 100.0
Equation: (A*(-0.415))+56.2
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