Re: MC ECU codes in 4kq/Ur-q.

["Pat Martin" <mardkins@email.msn.com>]

I thought about my message and it seems like it is wrong.  I am not sure why
but I need to consult the 5kt Bentley to be sure.  It works on my car I just
need to figure out what I did.

Pat

> Take the yellow wire out of the harness from the ECU.  Splice in a wire
and
> connect it to a momentary switch.   With the cold side of the switch run
it
> to a seatbelt warning light socket.  Put the socket in the check engine
> blank in the instrement cluster.  Then ground the other side.  What you
will
> do to check codes is simply push the momentary switch for 5 seconds.  That
> will trigger the ECU to send the codes to the light.
>
> Pat Martin
> 86 4000csq turbo, 2 1/2 cat back, H&R-Boge, MC and loving it.  Drilled and
> stopping it. Koenig Cobra 16x7 with Yokohama A520's turning it,  K&N and
> uh..
> 84 4000sq  AKA: The beater.
> 95 subaru legacy
> Bothell, Wa
>
>
> > Q-list,
> >
> > Just wondering, for all of people who have swapped MC engines into
> > 4kq/Urq how do you read codes.
> > I know that you need to supply the yellow wire 4 seconds of 12+ but then
> > which output (12+ or ground) do you use with the LED?
> >
> > Scott M's excellent site does not cover the converted cars.
> >
> > Thanks.
> > --
> > Martin Pajak
> >
> > http://www.geocities.com/MotorCity/5939
> >
> > 1983 Audi Ur-quattro (225,000 km)
> > 1986 Audi 4000 S Quattro (415,000 km) with 5 bolt pattern
> >
> >
> >
>
>
>