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The mkiv Supra Owners Club

Air con pressure switch circuit


Benzsupra

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Hello everyone,

My air con was working fine until i removed the dash to change the dials then i get all the right things/noises happening but no cold air. I have put this in another thread but since then i have just learned how to do a heater diagnostic test and the light above the fresh air button flashes which according to the list is the pressure switch circuit. Firstly could i have caused this but disconnecting the battery and removing the dash and secondly does anybody know what i can do to check/fix this.

 

Thanks,

Ben

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Not too sure on this but when i recently removed my dash (umteenth time)i found that if you do not re-connect the connector blocks onto the heater switches correctly and firmly etc they will flash and go off and maybe you just have a bad connection - perhaps remove the dash panels and re-check all the connectors are pushed firmly home, hope this helps :)

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