Re: [ST] Engine light help!

["Mitch" <mmiglis@xxxxxxxxxxx>]

Try disconnecting then reconnecting the battery.

- ----- Original Message ----- 
From: "Alan Bretschneider" <abretsch@xxxxxxxxxxxx>
To: <ST@xxxxxxxxxxxxxx>
Sent: Tuesday, May 11, 2004 3:48 PM
Subject: RE: [ST] Engine light help!


>
> Here is an email from Dan Wallander that I've kept handy. Very
> informative. Before digging too deep, do the 3 warmup-cycles. If its
> still on after that, it would be my advice to have a dealer check the
> computer for the logged malfunction.
>
>
>
> Dan states:
>
> "Here's the deal on the Engine Management Light from the Triumph manual:
>
> I'm paraphrasing here as I really don't want to type the whole thing in:
>
> The on board diagnostics have two levels of fault detection.  The first
> raises a flag that something might be wrong and starts a counter.  As
> the count continues, if the fault is not confirmed by a 'predetermined
> threshold' (which is different for each type of fault detected) nothing
> happens and the counter resets itself.  As the count continues, if the
> fault continues and is confirmed, the data is logged into the ECM.  If
> the fault is emissions related or a serious malfunction afffecting
> engine performance, the fault is logged into the ECM and the light on
> the instrument cluster is turned on.
>
> Once the warning light is on by a fault being confirmed, the number of
> warm-up cycles made by the engine is counted.  If the fault clears, the
> light will extinguish after a 'predetermined count' of warm up cycles
> occurs.  The manual doesn't mention what this number is, but evidenced
> from my own observations and from those on this list, that seems to be
> three cycles.
>
> A single warm up cycle is defined as:
>
> The coolant temp must be raised to 72C or more The coolant temp must
> have risen by 23C or more from its start temp, when 72C is reached.
> A controlled power-down sequence must take place.
>
> So, in order to extinguish the light on the dash, there cannot be a
> continued fault that needs to be corrected, such as a faulty sensor, you
> must completly warm up the engine and allow it to cool, you must go
> through a controlled power-down sequence, which means the engine must be
> started and turned off by the key.  I'm assuming they don't want an easy
> way to extinguish the light as the engine must be running and close to
> operating temperature for the engine management system to determine it
> the fault is still there or not, therefore the warm up cycle solution.
>
>
> While turning the key on and off several times without starting the
> engine seems to help kick the computer into the proper alignment at
> times and can help 'reboot' the computer, this procedure cannot turn off
> the engine management light.  These are two different processes.
>
> As an aside, you should be turning your Triumph off with the Key, not
> the Kill Switch (unless it is an emergency) as the bike keeps the main
> power on after turning the key off so the computer can write data to the
> ECM, reference the position of the idle air control valve stepper motor,
> and run the fan if necessary before completely powering down.  This
> cannot happen if you use the kill switch first.
>
> Hope that helps.
>
> Dan."
>
>
> Alan...
>
> -----Original Message-----
> From: owner-st@xxxxxxxxxx [mailto:owner-st@xxxxxxxxxx] On Behalf Of rolo
> Sent: Tuesday, May 11, 2004 11:32 AM
> To: st@xxxxxxxxxxxxxx
> Subject: [ST] Engine light help!
>
> I removed my gas tank yesterday to run the straps for my tank bag and
> replace the last one of the plastic quick disconnects with a better one,
> and now my engine light is on.  I have checked all the connections and
> nothing.  The bike has 1100 miles and has not had it's first service
> yet. Could that be it?
>
>
> Thank you.
>
> Rolo
> '01 ST
>
>
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