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My A/C died, its a 2009 V6 Sport, got the B1422 Compressor lock read out, I googled a lot, couldn't find the Compressor lock sensor, but eventually, found it, I removed the passenger side head light to get to it, and measured 250 ohm on the sensor, manual says 125 ohm at 20 degrees centigrade, mine was 30..

Anyways, while I had the headlight out I decided to spray some brake cleaner into the AC clutch, and....it fixed the problem...... I was worried that I needed to remove the compressor, maybe even need a new one.....

Hope this helps others with the same problem...
 

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Interesting solution for what could have been an expensive problem to sort out. Hopefully your experience will help others with the same problem, as you have indicated.
 
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