[T3] Two Tests

William Jahn willjahn975 at gmail.com
Tue Sep 17 15:40:15 PDT 2019

I  zip tied the EGR relay plug to the harness above right under the lip so
nothing comes close to touching it.

 I checked every single wire , pulled the ECU out and started with TS1 pin
1 is the one that is the feed and 13 is grounded through the ECU . I went
as far as to check to all the other ECU pins at the connector unplugged to
see if either pin was crossed or offered any reading they didn't as you
suspected. I though I found an issue with the ECU main ground yet I was on
pin 12 not 11. I could not find any issues with the wiring at all. I
checked the two from the power relay and both were at battery voltage and
read the same.

 Checked every ground on the injector plugs at the ECU plug all injectors
still connected in read 3.0 ohm. Same  with the MPS  and TPS & trigger
points. All good and checked them for any short to ground , none. The TS2
read fine as well.

 I guess this means what ever in the ECU reads TS1 is not doing it's job.

 I did find the plastic seam around the carpet was warped up and catching
the gas pedal roller when I  pushed down and let up on  the gas pedal so I
took a heat gun and reshaped it so it is now flat and clears.

On Tue, Sep 17, 2019 at 2:37 PM Jim Adney <jadney at vwtype3.org> wrote:

> On 17 Sep 2019 at 10:33, William Jahn wrote:
> >  I do find quite a bit of varied info when reading different D-jet sites.
> Yes, and there's a lot of it that's misleading.
> > Then I need to check the wires from the ECU to each component just to
> > make certain TS1's 2 leads are not crossed or grounded with any one of
> > the other leads.
> There's certainly no problem with checking this, but I seriously doubt if
> there's short somewhere inside your harness. I've never heard of that
> happening, although it's possible out at the ends, where the individual
> wires
> are exposed and where then tend to get abused.
> > Yet since the one you have runs rich it may not have anything to do
> > with TS1 or TS2 internal ECU it could be any of the circuits and there
> > seem to be quite a few and
> That's exactly right. It could be any of those circuits and the temp
> sensor
> circuits could be working properly.
> >  I wanted to ask. I know you removed the EGR and plugged the ports,
> > did you remove the EGR relay? I ask because the Bosch tester does not
> > seem to look at that circuit.
> I capped the exhaust port on the heat exchanger and the intake port on the
> EGR valve, but I left everything else in place. My relay is still there
> and I can
> still hear the EGR valve click when I turn the key ON, but nothing is
> getting
> thru it. I did it this way because I didn't want to bother with sorting
> out all the
> wiring and worrying about what might short out to what. It's been fine
> this
> way, although it leaves the engine compartment a bit more crowded than I'd
> like.
> One of the actual reasons I did it this way was that the original EGR
> filter
> was still there when I got the car, but it was falling apart. I thought
> that
> someday I could redo the failed silver-soldered joint and reinstall it,
> just to
> see if that was feasible. I still think it would be interesting to
> reinstall it and
> see if I notice any change in performance.
> If you removed the relay, what did you do with the loose wires?
> --
> *******************************
> Jim Adney, jadney at vwtype3.org
> Madison, Wisconsin, USA
> *******************************
> _______________________________________________
> VWType3.Org mailing list - type3 at vwtype3.org
> To unsubscribe or change subscription options, visit:
> http://lists.vwtype3.org/listinfo.cgi/type3-vwtype3.org
> If you need more help, contact: gregm at vwtype3.org
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.vwtype3.org/pipermail/type3-vwtype3.org/attachments/20190917/81ab6a12/attachment.html>

More information about the type3-vwtype3.org mailing list