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rad fans always on

Old 16 March 2019, 10:36 PM
  #1  
stevejohnson777
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Default rad fans always on

HI all, I have just got back in to Scooby ownership after a few years away with a 2003 wrx sti import, I have just noticed the rad fans come on with the ignition even when cold and stay on. Any ideas. thanks steve
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Old 17 March 2019, 05:56 AM
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ossett2k2
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Have you checked it's not in test mode?
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Old 17 March 2019, 07:56 AM
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stevejohnson777
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I have looked under the dash and green conectors are not connected
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Old 17 March 2019, 11:33 AM
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Fecked CTS, when they fail a lot of the time they show high 90`s on a laptop, so it would bring the fans on,
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Old 17 March 2019, 11:59 AM
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1509joe
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Originally Posted by JDM_Stig View Post
Fecked CTS, when they fail a lot of the time they show high 90`s on a laptop, so it would bring the fans on,
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Old 17 March 2019, 08:00 PM
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stevejohnson777
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Thanks the replys, where will i find the cts. thanks Steve
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Old 17 March 2019, 08:08 PM
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JDM_Stig
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Originally Posted by stevejohnson777 View Post
Thanks the replys, where will i find the cts. thanks Steve
Cough "Search Function"
https://www.scoobynet.com/general-te...-location.html
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Old 17 March 2019, 08:20 PM
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cheers
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Old 19 March 2019, 04:47 PM
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stevejohnson777
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I have fitted a new cts but the fans still came on straight away, I have since discovered that if you switch off the heater blower in the car the rad fans go off, then if you switch the blower back on there is a click sound, prob a relay, and the rad fans come back on, is this a track mod ? could do with disabling it for now.
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Old 19 March 2019, 05:41 PM
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You have the stock ECU right? This happened to me after I installed my Link G4+ so I had to change the polarity in the software. Unlikely to be your problem but you never know.
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Old 19 March 2019, 06:16 PM
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stevejohnson777
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The joys of having an import with no owners manual, when you put the blower on screen or even part screen the air con comes on automatically without the air con light on switch coming on, that then brings the rad fans on, turn the controls to vents or feet and all works normally on air con switch. doh
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Old 20 March 2019, 12:16 PM
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CraigBWRX
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Airconditioning? fans will always run with a/c on. The click you possibly hear is the pump clicking into operation?
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