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displaying posts 1 to 25 of 37
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| Author | Subject: stop ac turning on |
 jimmyhackers
Seasoned Pro  Location: birmingham Registered: 14 Jun 2011 Posts: 1,098 Status: Offline |
Post #1
despite the only part of my ac system being left is the ac pump and the dash switches.....it still turns itself on automatically/randomly.........and its miffing me off. are the ac's functions including this annoying feature controlled by the ecu..... or is there another smaller ecu/controll box that is telling my ac to come on? if so where is it and how do i disconnect/destroy it? ________________________________________ the world is changed by people in sheds |
 Posted 7th Aug 2013 at 17:54
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welshpug!
Capt Pedantic  Location: Bigend, Wales. Registered: 27 Mar 2007 Posts: 25,817 Status: Offline |
Post #2
you know that button on the dash?________________________________________ need a part number? get on here - http://public.servicebox.peugeot.comBring on the Trumpets. |
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Posted 7th Aug 2013 at 17:58
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eliotrw
Seasoned Pro  Location: Southwark Registered: 18 Jul 2010 Posts: 4,864 Status: Offline |
Post #3
It will still turn on automatically though.I have the same. ________________________________________ Ex- Phase 3 China GTi-6 T-Reg |
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Posted 7th Aug 2013 at 18:31
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Niall
Seasoned Pro  Location: Epsom Registered: 06 Jun 2012 Posts: 1,941 Status: Offline |
Post #4
if there is no gas in the system, the compressor wont do anything anyway so just ignore it. Its now no more than just a random Green LED lol |
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Posted 7th Aug 2013 at 18:55
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stan_306gti6
Forum Admin Location: Kent Registered: 18 Jan 2004 Posts: 21,768 Status: Offline |
Post #5
I think if the ambient temp reads over 25c then the AC will attempt to work automatically.  ________________________________________ "Supercharged - 454.1bhp/317.5lb/ft"Peugeot 306 GTi-6 2000 (X), Moonstone  |
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Posted 7th Aug 2013 at 19:15
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aaron6
Seasoned Pro  Location: On the sofa in maidstone Registered: 16 May 2006 Posts: 5,840 Status: Offline |
Post #6
^^^ what stain said.  ________________________________________ See the sheer power and might of the lesser known burrowing owl. |
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Posted 7th Aug 2013 at 19:22
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beez_neez_gt
Seasoned Pro  Location: @ de limit of adhesion ! Registered: 14 Oct 2008 Posts: 2,916 Status: Offline |
Post #7
Yep what he said, its more like 21c though on mine.________________________________________ Pug fee`ver,Pick a Bogey, buy a Pug. Black 306 GTI 6 Standard, was 60k mileage, bargain!! Clicky: [url =http://www.306gti6.com]click here[/url] remove the space between [url & = |
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Posted 7th Aug 2013 at 19:24
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mattgti6phase2
Seasoned Pro  Location: inside my 6 abusing the tarmac!! Registered: 16 Jul 2010 Posts: 2,371 Status: Offline |
Post #8
Also what Stan said  You can use this to operate your cooling fans now. Pin 1/2 for low speed 1/3 for high speed. ________________________________________ Team Nile 6 Team: 40.2 MPG 5 x a 306 owner! currently abusing type r's in a town near you ™  I truely live for the 306 ® Build date: 29th October 1997 Wednesday's car midweek madness  |
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Posted 7th Aug 2013 at 22:53
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stan_306gti6
Forum Admin Location: Kent Registered: 18 Jan 2004 Posts: 21,768 Status: Offline |
Post #9
mattgti6phase2 wrote: Also what Stan said You can use this to operate your cooling fans now. Pin 1/2 for low speed 1/3 for high speed. You can, although be very careful when doing this that the actual compressor has been removed first. If it hasn't, and there is no gas in the system, the compressor will engage as it's been fooled into thinking there is sufficient gas in the system and will subsequently seize which will most likely result in a snapped aux belt and possible damage to the cambelt cover and/or cambelt. To carry out this mod, the compressor MUST be removed from the scenario first. ________________________________________ "Supercharged - 454.1bhp/317.5lb/ft"Peugeot 306 GTi-6 2000 (X), Moonstone |
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Posted 7th Aug 2013 at 23:26
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jimmyhackers
Seasoned Pro Location: birmingham Registered: 14 Jun 2011 Posts: 1,098 Status: Offline |
Post #10
thanks for the info so far guysi ask as i am worried about the compressor functioning, there is definately no gas in the system so it shouldnt be engaging the compressor. however the other day i noticed the green led was on. i turned it off and and revs picked up a fair bit momentarily as the compressor disengaged, it does this randomly at times :S is the ambent temp sensor for the ac system accecsable/removable/foolable? or is this sensor also used for ecu/engine running? ________________________________________ the world is changed by people in sheds |
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Posted 7th Aug 2013 at 23:35
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stan_306gti6
Forum Admin Location: Kent Registered: 18 Jan 2004 Posts: 21,768 Status: Offline |
Post #11
The ambient temp is picked up from the sensor located in the passenger wing mirror. Check that somebody hasn't previously bridged the AC pressure switch plug as if there is no gas the compressor definitely should not be starting. ________________________________________ "Supercharged - 454.1bhp/317.5lb/ft"Peugeot 306 GTi-6 2000 (X), Moonstone |
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Posted 8th Aug 2013 at 08:13
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welshpug!
Capt Pedantic Location: Bigend, Wales. Registered: 27 Mar 2007 Posts: 25,817 Status: Offline |
Post #12
Just unplug the bloody compressor  ________________________________________ need a part number? get on here - http://public.servicebox.peugeot.comBring on the Trumpets. |
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Posted 8th Aug 2013 at 08:20
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stan_306gti6
Forum Admin Location: Kent Registered: 18 Jan 2004 Posts: 21,768 Status: Offline |
Post #13
welshpug! wrote: Just unplug the bloody compressor You could do this of course, however if there is no gas in the system it shouldn't be engaging, so the question still remains why is it doing so? ________________________________________ "Supercharged - 454.1bhp/317.5lb/ft"Peugeot 306 GTi-6 2000 (X), Moonstone |
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Posted 8th Aug 2013 at 08:52
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welshpug!
Capt Pedantic Location: Bigend, Wales. Registered: 27 Mar 2007 Posts: 25,817 Status: Offline |
Post #14
Because its jimmys car...________________________________________ need a part number? get on here - http://public.servicebox.peugeot.comBring on the Trumpets. |
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Posted 8th Aug 2013 at 09:03
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eliotrw
Seasoned Pro Location: Southwark Registered: 18 Jul 2010 Posts: 4,864 Status: Offline |
Post #15
Hang on,This "can't do this fan mod without removing th ecompressor malarky" Does just unplugging the compressor fix this issue or no? Its going eventually, Just not yet. ________________________________________ Ex- Phase 3 China GTi-6 T-Reg |
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Posted 8th Aug 2013 at 09:21
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heliosphan
Senior User  Location: UK Registered: 14 Sep 2007 Posts: 949 Status: Offline |
Post #16
Interesting point. I hadn't really thought about it but I assume there must be a wiring connection to the compressor to enable it to see the decision of the refrigerant pressure switch and therefore engage or disengage the clutch, as it sees fit? So, simply disconnecting any wiring input to the compressor should keep the clutch disengaged and spinning freely, allowing you to bridge the connections at the pressure switch to utilise a fan override. This matter requires urgent clarification and confirmation. If it turns out to be as simple as this, it'll be the biggest revelation in the history of 306s and will warrant being stickied on the home page.  |
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Posted 8th Aug 2013 at 10:28
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welshpug!
Capt Pedantic Location: Bigend, Wales. Registered: 27 Mar 2007 Posts: 25,817 Status: Offline |
Post #17
yes its that simple.________________________________________ need a part number? get on here - http://public.servicebox.peugeot.comBring on the Trumpets. |
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Posted 8th Aug 2013 at 10:58
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mattgti6phase2
Seasoned Pro Location: inside my 6 abusing the tarmac!! Registered: 16 Jul 2010 Posts: 2,371 Status: Offline |
Post #18
It is indeed that simple. Very good mod to keep temps down when battering the f**k out of it ________________________________________ Team Nile 6Team: 40.2 MPG 5 x a 306 owner! currently abusing type r's in a town near you ™ I truely live for the 306 ® Build date: 29th October 1997 Wednesday's car midweek madness |
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Posted 8th Aug 2013 at 11:44
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stan_306gti6
Forum Admin Location: Kent Registered: 18 Jan 2004 Posts: 21,768 Status: Offline |
Post #19
Yes, it's that simple. The compressor gets it power via the loom, however the *signal* which is sent via this loom comes from the pressure switch. Therefore as long as the correct pins on the pressure switch plug get power, it will allow power to be sent to the compressor. So yes, unplugging the compressor will of course stop the compressor from engaging as it will have no power. The reason I always explain to people that want to try this mod is to make sure there is no compressor present first is because some people won't have the thought of unplugging it and would end up with damage occuring. ________________________________________ "Supercharged - 454.1bhp/317.5lb/ft"Peugeot 306 GTi-6 2000 (X), Moonstone |
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Posted 8th Aug 2013 at 13:58
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eliotrw
Seasoned Pro Location: Southwark Registered: 18 Jul 2010 Posts: 4,864 Status: Offline |
Post #20
IS the plug for the compessor simple to find?I'll have a go later. Dont fancy that cambelt damage no matter how slim ________________________________________ Ex- Phase 3 China GTi-6 T-Reg |
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Posted 8th Aug 2013 at 16:13
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stan_306gti6
Forum Admin Location: Kent Registered: 18 Jan 2004 Posts: 21,768 Status: Offline |
Post #21
Yep, a white plug which fits on top of the compressor. ________________________________________ "Supercharged - 454.1bhp/317.5lb/ft"Peugeot 306 GTi-6 2000 (X), Moonstone |
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Posted 8th Aug 2013 at 19:22
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dangti6
aka JKshooter  Location: Taunton, Somerset Registered: 15 Jun 2006 Posts: 10,305 Status: Offline |
Post #22
Locate the compressor, follow the very short wire and BINGO! A plug will be on the end of it. It really is that simple.________________________________________  |
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Posted 8th Aug 2013 at 19:44
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aaron6
Seasoned Pro Location: On the sofa in maidstone Registered: 16 May 2006 Posts: 5,840 Status: Offline |
Post #23
Somewhere there were photos of this trick. I.e how you wire up the switch. Might be good to get a faq sorted if someone has time. ________________________________________ See the sheer power and might of the lesser known burrowing owl. |
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Posted 8th Aug 2013 at 19:55
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stan_306gti6
Forum Admin Location: Kent Registered: 18 Jan 2004 Posts: 21,768 Status: Offline |
Post #24
aaron6 wrote: Somewhere there were photos of this trick. I.e how you wire up the switch. Might be good to get a faq sorted if someone has time. It's not hard - bridging pins 1 and 3 gives you low speed fan operation, bridging pins 1 and 2 gives you high speed fan operation. ________________________________________ "Supercharged - 454.1bhp/317.5lb/ft"Peugeot 306 GTi-6 2000 (X), Moonstone |
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Posted 8th Aug 2013 at 22:48
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dangti6
aka JKshooter Location: Taunton, Somerset Registered: 15 Jun 2006 Posts: 10,305 Status: Offline |
Post #25
There's a few threads about it with instructions.________________________________________ |
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Posted 8th Aug 2013 at 23:00
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