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Originally Posted by JDW-SVX
I am assuming that you are referring to the magnetic clutch which mechanically links the A/C compressor to the drive pulley.
According to my service manual, if the outside temperature sensor detects temperatures lower than 10 degrees centigrade, the anti-freeze protection mechanism will cycle the compressor on and off.
You should check your outside temperature sensor - does the temperature display correctly when the "OUT. TEMP" button is pressed?
Jason.
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The above is exactly correct. Has this been checked ??
The Ambient Sensor is on the bonnet lock support, at the front of the radiator.
If it is open circuit or the wiring is disconnected or high resistance, the auto amplifier will be signalled that the temperature is below 10* C and the clutch will cycle continuously by way of protection against freezing. At an ambient of 25 Deg. C it should measure 3,000 ohms and at 30, 2,400.