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The mkiv Supra Owners Club

AC control unit ?


NUTKIN

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Hi all, my AC seems to work too much as normal systems switch on and off every minute or so but mine doesn’t.

Is there a control unit somewhere which could be wet or faulty ?

It just gets colder and colder and even smokes threw the vents (cold).

Many thanks

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Does the a/c run even when its switched off at the controller? if it does then you may have a failed compressor clutch relay that is constantly feeding voltage to keep the clutch engaged, permanently when the power is on. Or it could be a seized clutch.

 

If the a/c cuts off when shut down manually but goes full belt all other times then I'd next look to the ambient temperature sensor which might have issues.

 

Good luck.

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