Pulldown resistors for TPS MAP

[Walter Petermann]

Bruce,
what was wrong with using the pots? 
Ignore if this has been covered, just taking a few
minutes away from work (waiting for glue to dry...).

Walter

Bruce Plecan wrote:

> The ecm supplies a 5v signal to the TPS, and MAP.  The MAP is
> a strain guage type device with a couple transistors.  What is inside
> a TPS, I don't know.  The TPS needs to return a signal from .5v to
> 4.9v (.5 being idle). to the ecm.  The map at engine off is like
> 4.9, idle 2.v ish..
> Appreciate a hand
> Bruce

> >
> >Bruce Plecan wrote:
> >> Now, that we know there is pull down resistors, what do I do with
> >> the 5K pots that I've been using for TPS and MAP signal inputs?.
> >> I'm over my head here so I need a item by item explaination.
> >> ie., a lot more specific than saying, buffing the output with an op-amp.
> >
> >