Climate problems

[juanra911]

Hi guys, I have a problem with the A/C in RS2. It seems that climate control works perfectly but it does not send the order to compressor for working. If I give to the compressor 12V power from battery, it works perfectly and very soon we have +4C inside the car. Gas has been recharged so, it not a gas problem.
I have read all about Johne work, amaizing !! in my car exterior sensor is ok, inside ok,high pressure ok, low pressure?, I´m not sure.
After checking the climate digital codes ,shows following information:
I do not understand what they means¿?¿?¿?
Thanks in advance and rgds
Code 52:


Code 53:

[UrS4boy]

Channel 52 and 53 Climate control codes

Suggest you take and repost photos without a flash in a dark area so we can see the code symbols. Then you can use this (below) to interpret the results.

[juanra911]

Ok, thanks UrS4Boy for your fast answer. As per this info the system is OK. So I ´m confused about where is the problem . Maybe a Relay?¿?¿

[tajgreidotu]

Not sure but, is it showing that in channel 52, the position 13 is illuminated so means LOW pressure??

[juanra911]

Yes, you are right, 13 is iluminated...May be that is the reason...I don´t know exactly what´s the meaning of this sensor, rest is Ok. Thanks

[tajgreidotu]

Yes, you are right, 13 is iluminated...May be that is the reason...I don´t know exactly what´s the meaning of this sensor, rest is Ok. Thanks

Its number 12, near ECU. In mine is also failing so I unplugged it, and bridged it.

[juanra911]

Perfect! Thanks !!

[johne]

Number 12 is the low pressure switch.

If the compressor works with the low pressure switch bridged then either your low pressure switch has failed or you don't have enough gas in your system (or it's below 4 degrees outside).

It isn't good to run the system with the low pressure switch bridged all the time. The low pressure switch is the critical element for controlling how the system works. You can change it without loosing all your gas just by unscrewing it and screwing in a new one although some gas will leak if you are not quick.

I'd check there's enough gas in your system first. If you can get the compressor to work by bridging the low pressure switch and you then remove the bridge and the compressor continues to work until it next switches off, you haven't got enough gas in and your low pressure switch is most likely fine.

John

[juanra911]

Thanks both for your information. The car has enought gas. I have the ECU out as I do not find the number 12. Where is exactly situated?
Thanks & rgds

[juanra911]

Solved!! is working now !.
Thanks very much!!