•  The exhaust shutter valve reduces engine vibration during cylinder deactivation control. As a result, booming noise is suppressed and a high-level quietness has been achieved.

•  The exhaust shutter valve is located in the exhaust pipe.

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•  The exhaust shutter valve consists of the exhaust shutter valve position sensor, valve gear, mid gear, pinion, DC motor, spring, valve shaft, and valve.

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•  The exhaust shutter valve has an integrated exhaust shutter valve position sensor. For details on the exhaust shutter valve position sensor, refer to the CONTROL SYSTEM. (See EXHAUST SHUTTER VALVE POSITION SENSOR [SKYACTIV-G 2.5 (WITH CYLINDER DEACTIVATION)].)

•  The exhaust shutter valve is opened to the valve opening angle according to the energization current flowing to the DC motor from the PCM.

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