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Heat pump sensor error

Posted: Tue Jun 11, 2019 10:12 am
by spooky
Hi guys.
Have a problem with AC in summer.
Now outside temp is over 32°C ( 90F) and sometimes AC blows only hot air. I haven't yet find why sometimes it works well and sometimes doesn't cool the air at all.
Diagnostics showed an error which sounds something like "Broken wire of the heat pump temperature sensor circuit 2".
I have checked visually the connection of this sensor and haven't found any damages (thought that it could be some damage during vehicle sea transportation).
The sensor is on the picture:
Do I understand correctly that AC and heat pump are separate systems and sometimes AC gives me cold air but when vehicle decides to use heat pump I get hot air only?