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engine management light

2038 Views 6 Replies 3 Participants Last post by  pineygroveshop
i thought i should share some thing i learned today.

yesterday i had to take the tank off, and battery, to top up the coolant. ( minor spew of blue water while ticking over in traffic)

i put it all together and she ran fine. unfortunately the yellow engine management light was on. bike fine but annoying yellow light. i read the posts "money light on etc" and resolved to try the suggestion of letting it heat up from cold to hot ( fan running ) 3 times, in the hope of clearing the false fault.

i telephoned the dealer in cheltenham today to see what they thought. he kindly said visit us and we will connect it up and clear the fault, "we often get that when battery and fuel sender has been disconnectd". i asked are there any DIY tricks to clear the fault as i could not go there untill weekend and the tip is:

when hot stop the motor on the kill switch and leave it off for 20 seconds. and guess what it works! system reset and light gone away and me and tiger happy again!

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When I serviced my bike I was forced to turn the ignition on and off a few times with sensors disconnected, as part of the annoying process to put the alarm into service mode. As expected the yellow lamp came on after I'd put the bike back together but I found the three warmup/cooldown cycles cured it for me...

But what interests me is that I had some dodgy electrics connected to the accessory socket whilst I was camping in Scotland a few months later; I woke up to a completely flat battery (about 4 volts!). After an entire morning of attempting to jump start the bike off ropey jump start batteries and the alarm going off constantly (I could really grow to hate Datatool) I acquired a brand new battery, installed it, and the bike fired up instantly with no ECU warning light at all! How I got away with that one, I'll never know. An entire morning turning the ignition on and off and running the starter motor with the voltage varying between about 2v and 12v and no fault codes were logged! :hammer:
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