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Old 27-Oct-2014, 08:13 PM
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998 fan problem ?????

Ok I managed to get hold of a 998 fan. Ran a test with it tonight but found the following issues.

Turn ignition on fan runs for approx 1 second (weird)
Run bike up to and past temp and nothing happens until I disconnect the temp sensor plug and then the fan runs but won't switch off even when cool.

I know the fan is controlled by the ecu but I was wondering if having a none 998 ecu remapped for the 998 would affect the fan circuit?

Think I might just hard wire it with the old 996 fan switch in place LOL
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Old 27-Oct-2014, 08:24 PM
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Only one fan Neil, my 998s have two fans and they come on at different points from what I recall, haven't run them properly for a while now, try plugging it into the other fan connector
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Old 27-Oct-2014, 08:46 PM
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Will do Kev. I had read about the fans operating at two different temps.
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Old 28-Oct-2014, 12:00 AM
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I'll check what temp the fans come on for you - and it shouldn't make any difference with your ECUs as they're reflashed rather than remapped, so identical to off-the-shelf Ducati ECUs


I'd rather die peacefully in my sleep like my Grandfather,
than screaming in terror like his passengers.- Jim Harkins

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Old 28-Oct-2014, 07:14 AM
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Thanks Ant
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Old 29-Oct-2014, 10:42 AM
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I've checked all the software revisions and they all say that Fan 1 is 101 and Fan 2 is 102.
I know that sounds like not very much difference between the two, which is why I checked all versions I have (about 6) but that's what they all say!


I'd rather die peacefully in my sleep like my Grandfather,
than screaming in terror like his passengers.- Jim Harkins

Ducati 748S | Ducati Hypermotard 1100S | 600-620SS DesmoDue Racebike #111 <-- Sold!! | Avanti Race Parts
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Old 29-Oct-2014, 11:05 AM
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Quote:
Originally Posted by antonye
I've checked all the software revisions and they all say that Fan 1 is 101 and Fan 2 is 102.
I know that sounds like not very much difference between the two, which is why I checked all versions I have (about 6) but that's what they all say!


Thanks again matey
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Old 01-Nov-2014, 04:24 PM
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Tried the other side Kev and the fan is just on all the time as if it's hot or something. It's now hard wired through the old 996 fan switch and works fine. Still would like to find the issue though.
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Old 01-Nov-2014, 05:17 PM
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Neil, I take it you did change the 996 thermal switch in the water system for the thermal sensor (thermistor)used on the 998s
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Old 01-Nov-2014, 09:40 PM
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Yes I did my learned friend.
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