Ford Repair Questions? Ask a Mechanic for Answers ASAP
Welcome, I'm Chris (aka Moose), my normal schedule online is around lunch and after dinner past midnight.
The compressor will not kick in till there is the presence of freon pressure in the system. You can do that by pulling the system into a vacuum with a pump or AC machine. Then you charge with a can or AC machine to get the pressure up so the compressor will then run and you can then adjust the freon level to get the pressure right. If you would like to know how to manually get the compressor running I can help with that too.
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The PCM needs to see the clutch cycling switch closed. Power flow in and out of this switch. It also monitors the pressure transducer signal. When those are good the PCM will ground the clutch relay and energize it. Below are the steps for diagnosing the ACP sensor.
Did you verify the cycling switch was closed from my comments on testing it?
Sorry, engine running, AC commanded on, cycling switch plugged up, confirm both of those wires are power.
Hello again Chris here,