| Checking the pressure signal of the High pressure sender -G65-. |
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| In vehicles with automatic climate control, the control and indicator panel, Climate control unit -J255-, processes the signal from the high pressure sender -G65- and activates the compressor via the compressor regulator valve, air conditioning -N280-. |
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| In vehicles with manual climate control, it is the Air conditioning control unit -J301- which processes the signal from the high pressure sender -G65- and activates the compressor via the compressor regulator valve, air conditioning -N280-. |
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| Different fitting locations depending on the engine, for vehicles with 2.0 litre Diesel engine, theHigh pressure sender -G65-for example is not fitted on the coolant hose from the expansion valve to the condenser; it is fitted instead to the tube from the compressor to the condenser. |
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| On vehicles with 4-cyl. engines, the connector of the High pressure sender -G65- may be removed without first removing other components (access from above). |
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