Bosch MAF pin outs

les lesd at earthlink.net
Tue Apr 9 07:42:19 GMT 2002


I found the pinouts with a search of the archives!

Here:

> '87 Volvo 740 2.3 Turbo MAF  Bosch p/n 0 280 212 007  (black plastic
> case)
> 
> Pin #1  Ground (MAF signal - local)
> Pin #2  Ground for filament burn-off and CO idle adjustment (at PCM)
> Pin #3  MAF output (~1 - 5v)
> Pin #4  Filament burn-off (4v for 1 second after shut-down, controlled
by
> PCM)
> Pin #5  12v Power input
> Pin #6  CO Idle adjustment  
> 
> '87 Saab 900 2.0 N/A  MAF  Bosch p/n 0 280 212 005 (aluminum case)
> 
> Pin #1  Filament burn-off (4v fro 1 second after shut-down, controlled
by
> PCM)
> Pin #2  12v Power input
> Pin #3  Ground for filament burn-off and CO idle adjustment (at PCM)
> Pin #4  Ground (MAF signal - local)
> Pin #5  MAF output (~1 - 5 v)
> Pin #6  CO idle adjustment
> 
> -----Original Message-----
> From: owner-diy_efi at diy-efi.org 
> [mailto:owner-diy_efi at diy-efi.org] On Behalf Of Romeo Papa
> Sent: Friday, March 29, 2002 6:52 AM
> To: diy_efi at diy-efi.org
> Subject: RE: Bosch MAF pin outs
> 
> 
> Sorry Chris
> 
> Hopefully somebody else has the pinout.
> 
> 
> Regards
> 
> Ray--- Chris Happel <cchappel at artsci.wustl.edu> wrote:
> > Nope, no flapper, just screens on each end with the wires running 
> > through the tube.  It's the hot wire type.
> > 
> > Thanks,
> > Chris
> > 
> > > -----Original Message-----
> > > From: owner-diy_efi at diy-efi.org
> > [mailto:owner-diy_efi at diy-efi.org]On
> > > Behalf Of Romeo Papa
> > > Sent: Friday, March 22, 2002 9:45 AM
> > > To: diy_efi at diy-efi.org
> > > Subject: Re: Bosch MAF pin outs
> > >
> > >
> > > Hi Cris,
> > >
> > > Thats the one with the flapper inside ?
> > >
> > > I got an Bosch L jetronic on my AR GTV 6,
> > > schould be the same pinout, since I can interchange
> > > af meters with BMW etc to get better airflow.
> > > I guess what I'm saying is that a lot of Bosch stuff is
> > pin
> > > compatible. I'll dig it out and
> > > send you what I got.
> > >
> > >
> > > Regards
> > >
> > > Ray
> > >
> > >
> > >
> > > --- Chris Happel <cchappel at artsci.wustl.edu> wrote:
> > > > Hello all,
> > > > 	I just joined your list because I was looking for
> > some
> > > > specific information
> > > > I can't seem to find anywhere else and thought
> > someone
> > > > here might know.  I'm
> > > > looking for the pin out specs for a Bosch MAF part
> > number
> > > > 0 280 212 016.  It
> > > > came in Volvo 240 L2.4 from 89-93, maybe more.  I was also 
> > > > wondering what we needed to do to hook this up to a 
> Haltech F9A.  
> > > > This
> > is
> > > > all for a Formula
> > > > SAE car (see http://www.sae.org/students/formula.htm)
> > at
> > > > Washington
> > > > University in St. Louis.  We have multiple EE guys around, so 
> > > > there wouldn't be too much that would be too complicated, just 
> > > > need
> > to
> > > > know what to do.
> > > > I'm just the chief mechanic, so I don't have a clue. 
> Thanks a lot 
> > > > for the help.
> > > >
> > > > Chris
> > > >
> > > > ----- End of forwarded message from owner-diy_efi at diy-efi.org 
> > > > -----
> > > >
> > >
> >
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