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Home >> Chevrolet >> 2018 >> Spark LT, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Automatic Transmission - JATCO CVT) >> Description and Operation >> Electronic Component Description >> Secondary Pressure Sensor

Secondary Pressure Sensor

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The secondary pressure sensor is installed to the control valve body and detects the pressure applied to the secondary pulley.

When the pressure is applied to the ceramic device in the secondary pressure sensor, the ceramic device is deformed, resulting in voltage change.

TCM evaluates the secondary pressure from its voltage change. The voltage is increased along with the pressure increase.

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