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Home >> Chevrolet >> 2018 >> Spark LT, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 56 (Automatic Transmission - JATCO CVT) >> Description and Operation >> Electronic Component Description >> Secondary Pressure Sensor

Secondary Pressure Sensor

WARNING: This page is about a different car, the 2017 Chevrolet Spark. However, it is still accessible from the selected car via links, so may be relevant.

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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