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Re: Help no engine cooling fan or interior fan
[Re: H_R]
#1614307
10/01/2018 18:00
10/01/2018 18:00
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Joined: Mar 2007
Posts: 16,764 Auld Reekie
Edinburgh
Club President, member225
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Club President, member225
Forum veteran
Joined: Mar 2007
Posts: 16,764
Auld Reekie
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Have you checked the two connectors connections behind the top of the rad, in the centre?
Last edited by Edinburgh; 10/01/2018 21:03. Reason: connections
BumbleBee carer
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Re: Help no engine cooling fan or interior fan
[Re: H_R]
#1614312
10/01/2018 18:46
10/01/2018 18:46
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Joined: Mar 2007
Posts: 16,764 Auld Reekie
Edinburgh
Club President, member225
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Club President, member225
Forum veteran
Joined: Mar 2007
Posts: 16,764
Auld Reekie
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Do you mean on the resister they look ok but don’t have any test gear so struggling to confirm anything Is there anything that relates the interior to engine fan? I meant the connectors which fit onto the small black unit at the back of the rad.....I've had one of mine drop off before
BumbleBee carer
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Re: Help no engine cooling fan or interior fan
[Re: H_R]
#1614313
10/01/2018 19:08
10/01/2018 19:08
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GrahamL
Unregistered
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GrahamL
Unregistered
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There's nothing directly relating the interior fan to the radiator fans, unless you have major power failure and most other systems are down as well. The power for both does initially run back to the exposed (interior) and covered (radiator) fuses behind the battery though, so unless there's something obviously wrong around there it's probably just coincidence.
Check the big connectors at the front of the box on top of windscreen washer tank (and the exposed ground connector there), that's where the radiator fans are switched, without tools to remove the cover you won't be able to check the relay though.
Is the injection malfunction light on?
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Re: Help no engine cooling fan or interior fan
[Re: H_R]
#1614320
10/01/2018 23:15
10/01/2018 23:15
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Joined: Jun 2008
Posts: 649 Kingston-upon-Hull
ioksotot
Club member 29
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Club member 29
Enjoying the ride
Joined: Jun 2008
Posts: 649
Kingston-upon-Hull
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Had something very similar to this last month, see my thread here. My problem was the climate ecu which lives in the passenger side footwell.
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Re: Help no engine cooling fan or interior fan
[Re: H_R]
#1614324
11/01/2018 00:48
11/01/2018 00:48
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GrahamL
Unregistered
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GrahamL
Unregistered
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Did it work OK when they bridged the relay? If so, could be just the relay is faulty, or the connections inside that box have failed. You can DIY repair the box internals as shown here: http://www.fiatcoupe.fr/entretien-Boitier-Clim.phpbut probably easier to just replace it with a good used one. Also worth cleaning the relay pins and the socket in the box with a thin file. As for the internal fan, could be the climate ECU if the rear screen heater is working manually but not from MAX DEF setting. But double check the fuse and holder in engine bay (exposed 30A) and the wipers fuse in main fuse box, I think the climate ECU also takes power on that circuit.
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