Eurovan L5-2459cc 2.5L SOHC (1992)
Refrigerant Pressure Sensor / Switch: Testing and Inspection
A/C Pressure Switch -F129-, Checking
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Ensure O-ring (10.8 mm x 1.8 mm) fits properly in groove (color: black)
Functions
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Switches A/C clutch -N25- OFF if system pressure is too low (low refrigerant charge) - switching occurs between blue wires
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Switch opens (compressor OFF): below 2.0 bar (29.0 psi)
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Switch closes (compressor ON): above 3.0 bar (43.5 psi)
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Switches A/C clutch -N25- OFF if system pressure is too high - switching occurs between blue wires
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Switch opens (compressor OFF): above 32.0 bar (464.1 psi)
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Switch closes (compressor ON): below 24.0 bar (348.1 psi)
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Switches coolant fan -V7- to second speed when A/C system pressure increases (switching occurs between red and black wires)
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Switch closes (2nd speed ON): above 16.0 bar (232.0 psi)
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Switch opens (2nd speed OFF): below 12.5 bar (181.3 psi)
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To remove, remove switch from Schrader valve tightening torque: 8 Nm (71 in. In)
