Date: Sun, 24 Feb 2008 20:14:53 -0800
Reply-To: neil N <musomuso@GMAIL.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: neil N <musomuso@GMAIL.COM>
Subject: Re: Bentley wiring diagram. Questions on how to read.
In-Reply-To: <00ad01c87761$d559bbe0$6501a8c0@TOSHIBALAP>
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Good to know about the post 2.1 WBX being a 3 wire, but I'll go with
the Jetta sensor.
Thanks!
Neil.
On Sun, Feb 24, 2008 at 7:52 PM, Scott Daniel - Shazam
<scottdaniel@turbovans.com> wrote:
> A 3 wire 02 sensor for a 86 and later 2.1 waterboxer vanagon should be fine
> if that's more convenient.
> If you get it OE style complete with connector plug it's a bit spendy, I
> imagine the jetta one is the same except for wire length perhaps, or they
> even come 'extra long' so they'll fit many vw applications.
> You can get generic splice-in 3 wire oxygen sensors for 40ish or so.
>
>
>
>
>
> -----Original Message-----
> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of
> neil N
>
> Sent: Sunday, February 24, 2008 6:51 PM
> To: vanagon@GERRY.VANAGON.COM
> Subject: Re: Bentley wiring diagram. Questions on how to read.
>
>
>
> Actually I don't have the O2 sensor...... yet.
>
> Is there a compelling reason to use the stock WBX O2 sensor? Less money?
>
> I know *less* about the Jetta system, and even less about the WBX.
>
> Neil.
>
>
>
>
> On Sun, Feb 24, 2008 at 2:57 PM, Mark Drillock <mdrillock@cox.net> wrote:
> > I don't know much about the Jetta system other than what I may read in
> > my 93-99 Jetta Bentley. Since he has it I don't see any reason not to
> > use the stock HO2S relay in it's stock wiring configuration between the
> > ECU and sensor. If he did not have it I would try wiring the O2 heater
> > like later 2.1 waterboxer models, from the FP relay.
> >
> > Mark
> >
> >
> >
> > Scott Daniel - Shazam wrote:
> > > I have a question for you.
> > > On this vehicle we're talking about here, 93 or 94 Jetta with ABA 2.0
> > > engine...........on the HO2S ( heated oxygen sensor ) Control Module,
> > > there is a wire from that module to the ECU.
> > > So evidently, or possibly, the ECU is involved in whether or no 02 heat
> is
> > > on or not.
> > >
> > > On a vanagon or a subaru the oxygen sensor/s get their heat circuit
> > > energized anytime the key is on, i.e. whenever the ecu is powered up.
> In
> > > other words 'full time' regardless.
> > >
> > > So my question is, what to do you think this connection is about ?
> > > My guess it that perhaps the ecu tells the H02S Module to heat the 02
> > > sensors for the first say 15 minutes of running, and then doesn't have
> it
> > > get heat power unless the 02 sensor cools down too much at another
> period in
> > > that drive cycle.
> > > Any thoughts on that ?
> > >
> > > And also..........I 'would imagine' that if I wired one so it got
> 'regular
> > > 02 heat' through a normal relay , that the ECU would set a code perhaps
> from
> > > not being able to 'see' that control module for 02 heat.
> > > Any thoughts on that ?
> > > Thanx,
> > > Scott
> > > Turbovans.
> > >
> > >
> > >
> >
>
>
>
> --
> Neil Nicholson. 1981 Air Cooled Westfalia - "Jaco"
>
> http://web.mac.com/tubaneil
> http://tubaneil.googlepages.com/
>
>
--
Neil Nicholson. 1981 Air Cooled Westfalia - "Jaco"
http://web.mac.com/tubaneil
http://tubaneil.googlepages.com/
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