1.2L REVOTRON ENGINE 186 CONNECTOR DETAIL PINOUT DETAILS Pin No Description 1 Switch 1 2 Switch 1 GND 3 Switch 2 4 Switch 2 GND 5 ACC LED 6 IGN LED 7 BACK LIGHT (-) 8 BACK LIGHT (+) 9 RING VEH GND (-) 10 RING LED (+) VIII. AC PRESSURE SENSOR The pressure sensor translates the measured pressure within the AC system into a voltage that is sent to the ECU of a car. Based on the preferred temperature in the car the ECU will manage the compressor in such a way that the pressure in the AC system is most effective to create the required atmosphere in the car. Next to this the pressure will also be used to shut down the compressor when pressure gets out of limit and therefore protect the compressor against any damage pressure might cause. SENSOR LOCATION
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