Re: [DMCForum] Re: Testing Frequency valve

["id" <ionicdesign@xxxxxxxxxx>]

How do you by-pass the RPM relay?

Mark

cruznmd wrote:

>  Ok, dummy probe:
>
> You can get this at any K-mart, Autozone or other parts house. It
> looks like a screwdriver with a clear handle with a lightbulb in it.
> Only instead of being a flathead or philips it's just a sharp point.
> It has a wire coming out of the handle with an alligator clip.
>
> To test the plug, stick the sharp point into it, touching one contact,
>
> and clip something metallic and pointed (paperclip) in the alligator
> clip and stick it in the other contact.
>
> If the circuit has power, the light bulb will light. Make sure you
> have the RPM relay bypassed and the key in "run" or the circuit will
> not have power. It will be a false test.
>
> The RPM relay is usually first to go but if you're hearing clicking I
> think that stuff is ok. You'll probably find the plug has no power
> because the wire(s) are broken.
>
> I don't know which wire is hot on the cpr plug off hand. Use the dummy
>
> probe to find out.
>
> Rich
>
>
> --- In DMCForum@xxxxxxxxxxxxxxx, id <ionicdesign@xxxx> wrote:
> > What kind of "dummy Probe" should i use on the frequency valve plug?
>
> >
> > Also what should i replace first the Lambda relay or the RPM relay?
> >
> > I do hear some kind of clicking noise coming from the Lambda
> computer
> > area behind the drivers seat, is this normal or am i just hearing
> > things?
> >
> > Is it ok to run the power wires from the CPR just to check the
> Frequency
> > valve, and if it is what colored wire is hot on the CPR and what is
> hot
> > on the Frequency valve?
> >
> > I do need to get a Schematic that is readable, my original workshop
> > manual wasnt printed well and some of the wire colors is hard to
> make
> > out and all of the lines are not connected so i cant tell what goes
> to
> > what. It would probably make a good paper airplane.
> >
> > Mark
> >
> >
> > cruznmd wrote:
> >
> > >  My book's in the car. I need a pocket bible to carry.
> > >
> > > Ok, I'll tell you another story (it may not apply to you). I
> bought a
> > > new RPM relay and I still didn't have lambda. Why? One of the
> > > contacts in the relay was bent just enough that when the winding
> > > energized, only the fuel pump contact closed, not the lambda too.
> > >
> > > The result? I heard the "click" but had no freq valve.
> > >
> > > Yes, it gets it's power from the ECU. If you unplugged the ECU, no
>
> > > freq valve.
> > >
> > > Put a dummy probe on the freq valve plug. Don't -assume- you have
> > > power. Assume means "(make an) Ass (out of) u (and) me". $5.00 at
> the
> > > most. :)
> > >
> > > Rich
> > >
> > > --- In DMCForum@xxxxxxxxxxxxxxx, id <ionicdesign@xxxx> wrote:
> > > > #7 fuse is good and the Lambda seems to be working because i
> hear a
> > > > clicking noise from the compartment area and the fuel pump is
> > > working
> > > > too.
> > > >
> > > > I have no power to the Frequency valve, does it get its power
> > > directly
> > > > from the Lambda or something else (me no good with schematics
> unless
> > >
> > > > done in crayon with pretty pictures)?
> > > >
> > > > Mark
> > > >
> > > >
> > > > cruznmd wrote:
> > > >
> > > > >  1. You can use a dummy probe (Like a screwdriver with a
> pigtail
> > > and a
> > > > >
> > > > > lightbulb in the handle. $5.00) Put the icepick on one contact
> and
> > >
> > > > > clip a paperclip in the pigtail and stick it in the other one.
> If
> > > it
> > > > > lights, there's power.
> > > > >
> > > > > 2. Use a voltmeter to measure for voltage across the contacts.
>
> > > > >
> > > > > 3. The valve works hot or cold. Just at different rates. It
> should
> > >
> > > > > ALWAYS buzz when the engine is running, or it's bypassed at
> the
> > > RPM
> > > > > relay.
> > > > >
> > > > > 4. You could apply power to it if you could find a way to hook
> it
> > > up
> > > > > to the control pressure regulator power plug. They are not
> close
> > > > > enough so you'd have to remove the freq valve or rig a
> > > contraption.
> > > > >
> > > > > 5. Yes, one is a ground wire. Use the schematic in the Bible.
> > > > >
> > > > > 6. A nuclear reaction or a bolt of lightning can be used to
> > > generate
> > > > > 1.21 gigawatts.
> > > > >
> > > > >
> > > > > I recently found my freq valve wires to be hanging on by a
> > > thread. I
> > > > > brushed the plug and the wires fell right off! I had to rig
> > > something
> > > > > up with a couple of crimp-on spade connectors.
> > > > >
> > > > > The other place to look is the lambda relay. If this has
> failed,
> > > the
> > > > > ECU will not have power and it will not power the freq valve.
> I'm
> > > > > having a brain cramp right now but I also believe there is a
> fuse
> > > for
> > > > > this. #7 I think. Verify the lambda module has power.
> > > > >
> > > > > Rich
> > > > >
> > > > > --- In DMCForum@xxxxxxxxxxxxxxx, id <ionicdesign@xxxx> wrote:
> > > > > > My frequency valve is not buzzing so i have a few questions.
>
> > > > > >
> > > > > > How do i test for power to the valve (colored wires)?
> > > > > >
> > > > > > Does the car have to be warm or cold to test the valve?
> > > > > >
> > > > > > Can i apply power to the valve to see if it works?
> > > > > >
> > > > > > There is two wires attached to the valve, is one a ground
> wire?
> > > > > >
> > > > > > How do i generate 1.21 jigawatts?
> > > > > >
> > > > > > the last question was to see if you actually read my
> questions
> > > and
> > > > > not
> > > > > > just scanned the email.
> > > > > >
> > > > > > Mark
> >
> >
> > [Non-text portions of this message have been removed]
>
>
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