[mkiv] RPM pickup from ODB1 ECU and Wideband

[brian mcgaha]

Number 58 at the ECU is RPM pickup, if you would rather keep it under the dash.
For reference: 
http://www.mkiv.com/techarticles/afc/afc_ecu.jpg

Brian McGaha
94HT



On Tue, 15 Mar 2005 11:11:14 -0800, Alex Gregory <spoooln at spoooln.com> wrote:
> I need 

some information on the signal that comes from an ODB1 ECU tach
> wire.  I have an Innovate Motorsports LM-1 and I want to get the rpm
> pickup cable that they have.  They have a requirement that I found
> posted on their forums:
> 
> "For RPM anything that gives out pulses of at least 2.5V amplitude and
> at least 1 pulse/ 2 engine rot. will work. Some cars send digital data
> to the tach. Therefore a tach adapter is required."
> 
> Does anyone know if there is a wire at the ECU or even one of the coils
> that meets this requirement?
> 
> Thanks,
> 
> Alex
> 
> --------------------------
> Alex G.
> 91' Syclone #411/2998
> 94' T-61 MKIV Supra
> 04' V70R 6-Speed
> http://www.spoooln.com
> mailto:spoooln at spoooln.com
> 
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