EXHAUST SHUTTER VALVE CONTROL [SKYACTIV-G 2.5 (WITH CYLINDER DEACTIVATION)]

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Outline

• The PCM controls the exhaust shutter valve to the optimal opening angle during cylinder deactivation control.

• Noise or vibration during cylinder deactivation control is suppressed by controlling the exhaust shutter valve opening angle.

Block Diagram

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Operation

• During cylinder deactivation control or during idling after cold engine start

― The PCM controls the exhaust shutter valve to the optimal opening angle.

• Other than cylinder deactivation control or during idling after cold engine start

― The PCM controls the exhaust shutter valve fixed at fully open.