Pinout Values and Diagnostic Parameters

Radiator Fan and Condenser Fan

A4 A/C SINGLE PRESSURE SW
3 - 2 : Close above approx.15.5 kgf/sq.cm (220 psi, 1520 kpa)
Open below approx.12.5 kgf/sq.cm (178 psi, 1226 kpa)

W2 WATER TEMPERATURE.SW
1 - 2 : Close above approx.95 °C (203 °F)