What happens when the oil temperature sensor fails?

1 Answers
LoganDella
07/29/25 9:51pm
When the oil temperature sensor fails, it may result in automatic gear disengagement, gear misalignment, wear patterns of major transmission components, and their impact on the overall assembly performance. Below are the relevant details: Working principle: In automotive terms, a temperature sensor is a device that measures temperature, providing signals to the instrument panel for engine coolant temperature, to the cooling fan, and to the ECU for fuel injection correction. Working principle: The coolant temperature sensor is a negative temperature coefficient thermistor, where resistance decreases as temperature rises, and vice versa, providing the ECU with a variable signal. Classification: It utilizes the regular changes in various physical properties of materials with temperature to convert temperature into electrical signals. These regularly changing physical properties mainly include volume. Temperature sensors are the core components of temperature measurement instruments, with a wide variety available. They can be divided into contact and non-contact types based on measurement methods, and into thermistors and thermocouples based on sensor materials and electronic component characteristics.
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