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International Automotive Technicians Network
Re: 91 Lexus LS 400
Posted to HVAC Forum on 10/29/2006

Hi Christopher:

So... It looks like the compressor cannot be turned off "internally".... if I have power to the compressor clutch, the the A/C should function properly. The lock sensor circuit is used only for an input to the A/C controller. This actually ma... Login to read more.