2004 Scudo Jtd Aircon Questions (Pressure Switch)

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2004 Scudo Jtd Aircon Questions (Pressure Switch)

woodbine66

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Nov 19, 2015
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I have a Scudo 2.0 Jtd van 2004. Had work done on the aircon a year ago and it was working perfectly. It's now stopped working completely. There is pressure in the system if I press the valve. I want to test the 4 pins on the pressure switch to find out if it is registering the pressure in the system. This will tell me if the pressure is poss too low or maybe a fault with switch. So, which 2 pins on the switch should have continuity if the pressure is correct?

I was poss thinking of jumping out the switch to see if the ac would come on. But I didn't want to go connecting terminals in the switch's plug without knowing what I'm doing. A wiring diagram for the switch would be handy. Thanks for any help.
 
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