CYLINDER HEAD TEMPERATURE (CHT) SENSOR CONSTRUCTION/OPERATION [MZI-3.7]

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• The CHT sensor is Installed to the cylinder head.

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• The CHT sensor is a thermistor device in which resistance changes with the temperature.
• The CHT sensor provides engine cylinder head temperature information, and the signal is used by the PCM to estimate the engine coolant temperature.
• The CHT sensor is a thermistor type sensor in which the resistance changes according to the cylinder head temperature.
• The resistance decreases if the cylinder head temperature increases, and conversely increases if the cylinder head temperature decreases.

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