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Re: Re[2]: [ST] shutting down the ST
- Subject: Re: Re[2]: [ST] shutting down the ST
- From: simonb <simonb@xxxxxxxxxxx>
- Date: 07 Mar 2004 18:56:11 +0000
On Sun, 2004-03-07 at 16:21, Keith Winter wrote:
>
> On Sunday, March 7, 2004, 3:38:11 AM, ST@xxxxxxxxxxxxxx wrote:
>
> > Hi Howard
>
> > This has been stated numerous times on this list. However, where is
> > the evidence to support this? I frequently use the kill-switch -
> > invariably when I arrive home and have to temporarily park the bike
> > on a steep slope with an awkward camber necessitating both feet
> > firmly on the ground, bike in gear and holding it on the front brake,
> > thus cannot get to ignition switch. I have *never* had a problem
> > restarting.
>
> This issue/question has come up over and over again on this
> list (almost as good as an oil thread :-). Many years ago
> (January 25, 2000, to be exact), when this list was actually
> monitored by someone from Triumph, a Triumph official (Ross
> Clifford) responded to the question at that time with the
> following; I've saved it so I could post it when the
> question comes up. I've copied his post in total; hopefully,
> it will answer the questions of those who want to know the
> details of why you should use the key instead of the kill
> switch.
>
> -Keith
>
> ------------
>
> > Dear All,
> >
> > I have been reading with interest your recent tread on the
> > power down procedure in relation to using the ignition
> > switch or the kill switch.
> >
> > The correct procedure is to use the ignition switch, the
> > reason for this is that there is a relay set in the ECM
> > circuit when you turn off the ignition the relay powers
> > the ECM for a few seconds and takes readings for the
> > sensors around the engine such as throttle position, the
> > air bypass setting, crank position etc. This information
> > or reference point is used by the ECM when you next start
> > your engine. Hence the reason the manual tells you not to
> > touch the throttle when starting as the ECM does it all
> > for you because it has all the sensor readings from when
> > the engine last idled prior to it being turned off by the
> > ignition.
> >
> > Using the kill switch cuts all power to the ECM and thus
> > takes no readings, the kill switch is really for
> > emergencies only. Some of you may notice that when you use
> > the kill switch the next time you start the engine it
> > needs to crank over a few times before it will fire, This
> > is because the ECM has no reference points and is taking
> > them while it's cranking. Also some people say that the
> > bike runs erratic for no reason, unless there is a fault
> > this is almost certainly down to using the kill switch and
> > the simple cure is to turn the engine off (With the
> > ignition switch) for a seconds then turn it on and hit the
> > starter and let the ECM do the rest for you.
> >
> > Hope that clarifies the question, best regards
> >
> > Ross
For which model year is this?. The wiring diagrams are different for
different years...
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