Audi 4kQ- hardstart

[VW FREAK]

okay, second fuse from the right on the bottom horizontal row is there- and
it is a 30 amp fuse. there is power at the point, Key On Engine Off. got to
wonder if that thing was needing a 10 amp fuse to blow, and it did not being
a 30A and it fried it self.
Ken N
1979 Scirocco 8V 2.0 Transplant in Progress
1985 Audi 4000 S Quattro <-- 381,000 miles and still going!!!
1989 Jetta Carat GLI 8V STR-4 <--2001 NCAC STR CHAMP
1991 Kawasaki Ninja 600R
http://www.mindspring.com/~farmracer/slidehawk.htm

----- Original Message -----
From: "Ti Kan" <ti at amb.org>
To: "VW FREAK" <farmracer at mindspring.com>
Cc: "Audi Mailing List" <quattro at audifans.com>
Sent: Sunday, November 11, 2001 3:45 PM
Subject: Re: Audi 4kQ- hardstart


> VW FREAK writes:
> > what do you mean spare fuse? which specific fuse do you refer to? I had
not
> > changed anything in the fuse box prior to this problem, but I have not
had
> > the car long and it is possible someone else did. The idle stabilizer
DOES
> > have power, but unplug it and the car idles exactly the same.
> > Ken N
>
> The "spare fuse" is fuse location 24 on the fuse/relay panel, second
> right on the bottom, horizontal row.  It's not always labeled as having
> any purpose, and since pretty much all other fuse locations in that
> row have no function, people tend to think that it's a spare.  It's
> in fact the power supply fuse (10A) to the CIS ECU.
>
> You say you have power to the idle stabilizer valve (I presume to the pin
> with the black/blue wire), then it means that fuse 24 is good.  However
> in order for the ISV to function it's gotta get signals from the ECU
> (the other two pins).
>
> The thermo-time switch and cold start injector gets its power on the
> CIS-E cars from the ECU too (the pin with the red/black wire at the
> respective connectors).  But, as I said, only during cranking.  Maybe
> there is a bad electrical contact at the connector on the ECU?  It's
> mounted under the dash on the side of the glove box.  You'll need to
> remove the glove box to get to it.
>
> This is stuff that you really need a wiring diagram to troubleshoot.
> The Bentley manual has all that.
>
> -Ti
> 01 S4 2.7 biturbo quattro
> 84 5000S 2.1 turbo
> 80 4000 2.0
> --
>     ///  Ti Kan                Vorsprung durch Technik
>    ///   AMB Research Laboratories, Sunnyvale, CA. USA
>   ///    ti at amb.org
>  //////  http://www.amb.org/ti/
> ///
>