Hi Carl, This is what Subaru says in the FSM for the Legacy.
Step 1 start engine
2 warm up engine
3 turn ignition sw. off
4 connect test mode connector
5 connect read memory connector
6 turn ign. sw.ON (engine off)
7 check engine lite turns on
8 Depress accelerator pedal completely and then return it to
half-throttle position and hold it there for two seconds.
Release accelerator pedal completely.
9 start engine
10 Check engine light goes out ( if it does not go out it says to
check for trouble code)
11 If light goes out drive at a speed greater than 7 mph for at least
one minute and shift up to 4th speed (MT model)
12 warm up engine above 2,000 RPM
13 check if engine light blinks (if it doesn't check for trouble
codes
14 turn ign. sw. off
15 disconnect test mode connector and read memory connector
16 End
This will work there is two types of memory in the Mitsubihi chips in
the ECU regular RAM and a non-volatile type that is only electrically
erasable and holds a history that can be retrievied by the scanner
this method should erase both but I have seen cases where it will not.
--- In
BC-BFLegacyWorks@egroups.com, Carl Andersen <cdanders@t...>
wrote:
> I still don't have a good feel for the "official" method of
resetting
> the ECU. The method I tried didn't work and the method suggested
here
> is getting serious mixed reviews.
>
> Does anyone know what Subaru says?????
>
> Thanks,
> Carl Andersen
> 93 Touring Wagon 92000
>
>
> Alan Croxford wrote:
>
> > Plese do not disconnect the battery cables and touch them together
> > this is asking for big problems$$$$$$$. I have done a lot of work
on
> > these electronic systems and a lot of damage has been done doing
> > things in this manner. Even using jumper cables in any way can be
a
> > bit risky. The damage is usually not done by the connection but
when
> > the cables are disconnected as the battery looks at the car
wiring
as
> > a "ignition coil" and when the field collapses things tend to go
> > badly.
> >
> >
> >
> >
> >
> > -- In
BC-BFLegacyWorks@egroups.com, "Josh Colombo" <jcc189@p...>
> > wrote:
> > > You're definitely askin for trouble with that one....it's called
> > dead
> > > short....things spark & fry...not good

> > >
> > > Josh
> > >
> > >
> > > ************************************
> > > Josh Colombo
> > > jcc189@p...
> > >
> > > "Life, an ever-changing melody
> > > of beats and rhythm" - ME
> > > ************************************
> > >
> > > -----Original Message-----
> > > From: Matt Walters [mailto:jonesboy@s...]
> > > Sent: Sunday, October 22, 2000 4:19 PM
> > > To:
BC-BFLegacyWorks@egroups.com
> > > Subject: RE: [BC-BFLegacyWorks] Now What! !!!!!!!!! part 2
> > >
> > >
> > > At 10:28 AM 10/22/2000 -0400, you wrote:
> > >
> > > Hey Carl, You have remove the battery cable, for an hour or
so.
> > > Reconnect the cable. Then start the car, DO NOT touch the
throttle
> > or
> > > anything else. Let the car idle for about 15 minutes, or until
> > it's
> > up to
> > > normal operating temp. Then shut the car off, and that should
do
> > it.
> > >
> > > Actually, you have to pull both battery cables off and
> > hold them
> > > together for a couple minutes.
> > >
> > > I guarantee that works, and quickly. Just make sure
that
> > if you
> > > have a stereo that you've disconnected anything with a
capacitor
in
> > it first
> > > :p
> > >
> > > -=[Matt]=-
> > >
> > > eGroups Sponsor
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> >
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> >
> >
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