EXHAUST SHUTTER VALVE CONTROL [SKYACTIV-D 1.5]
id0140z5995100
Outline
• The PCM controls the exhaust shutter valve when the following controls are performed.
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― EGR control: During LP-EGR control, the exhaust shutter valve is closed, and the exhaust gas recirculation is corrected by raising the exhaust gas pressure at the LP-EGR valve inlet.
Block Diagram
Operation
LP-EGR control
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• The PCM controls the exhaust shutter valve to the optimum opening angle according to the engine speed, fuel injection amount, and intake air amount.
Other than LP-EGR control
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• The PCM controls the exhaust shutter valve fixed at fully open.