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Air con

 
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Trud



Joined: 26 Aug 2016
Posts: 2
Location: Somerset

PostPosted: Sat Jul 08, 2017 4:59 pm    Post subject: Air con Reply with quote

Hi
Does anyone happen to know how the air con is controlled so it works? The system is fully gased but the compressor and the condensor fan do nothing. There is a relay clicking under the control panel when the a/c knob is turned, the interior a/c fan runs normally and there are no engine ECU faults. Also both a/c fuses are good. (Hubby is an automotive a/c engineer but can't find out how the control systems work, or obtain a wiring diagram)
Thank you
Trud
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Romadog2004



Joined: 06 Aug 2008
Posts: 546
Location: Warwickshire

PostPosted: Sat Jul 08, 2017 5:33 pm    Post subject: Reply with quote

Have a look at this link

[url]ww.legionlandrover.com/manuales/electrical%20schemes%20-%20defender%20v8.pdf[/url]
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Jimbo



Joined: 13 Dec 2013
Posts: 6
Location: Kent

PostPosted: Mon Jul 10, 2017 6:36 pm    Post subject: Reply with quote

Does the clutch on the compressor engage when the relay clicks?

I've just fixed my air con and it turned out to be the thermostat that is located next to the 3 position fan switch. I shorted out the contacts and it all sprang to life.

Many "professionals" had checked over the air con system but none of them spotted this.
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