Secondary Pressure Sensor

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The secondary pressure sensor is installed to control valve.

Courtesy of NISSAN NORTH AMERICA, INC.
The secondary pressure sensor detects the pressure applied to the secondary pulley.
When 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. Voltage is increased along with pressure increase.

Courtesy of NISSAN NORTH AMERICA, INC.