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034v
Gear Head
Posts: 27
Joined: Mon Jun 11, 2018 2:03 pm

MAP Sensor Transfer Function Lookup

Post by 034v » Thu May 27, 2021 7:42 am

DA1 or D9S as I believe they're the same. I need to look at and attempt to map the frequency vs. the Pressure but cannot find it like I thought I remembered how to. Seem to remember either a 10 or 12 point function or 2D table.. I am drawing a blank and eyes are getting crossed from weeding thru binary and disassembled text.

Any help is awesome. I am attaching the D9S 56k if you could help.

Thanks
Attachments
D9S.bin
(56 KiB) Downloaded 320 times
Created the XDF's below in my spare time. More to come as time allows. Let me know if you need one.
CDBA4 - DONE
CDAN4 - DONE
CMBA0/CMAI3/6/7/9 - DONE
CZAJL - DONE
SFI-SD3 - DONE
GSALI - DONE
CCAQE - DONE
P3M-P3MA - DONE

mpaton
BIN Hacker
Posts: 381
Joined: Mon Jun 23, 2008 1:39 pm

Re: MAP Sensor Transfer Function Lookup

Post by mpaton » Mon May 31, 2021 8:21 am

I've never seen a lookup table for the conversion of frequency to pressure. As in the LHBH document, it's a polynomial equation that is used. In your bin, it's at 0x34A0

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