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Oil level sensor / oil temperature sensor (12)
The sensor is located in the oil sump.
The purpose of the level sensor is to detect if the oil level becomes too low. A current is passed through the sensor and the voltage measured across it is then proportional to the oil level. A alarm signal is sent when the oil level is too low. The temperature sensor consists of a non-linear resistor, where the resistance is dependent on the temperature of the resistor body. The resistance drops as temperature rises.