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INTAKE SHUTTER VALVE OPERATION [MZR-CD (RF Turbo)]

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• The DC motor operates according to the signal from the PCM. The operating force is transmitted to the motor gear, mid gear, and shutter gear, which opens/closes the shutter valve.
• The intake shutter valve position sensor identifies the shutter valve opening angle and controls the angle to an appropriate opening angle due to the feedback from the built-in drive circuit.
• If the shutter valve has a malfunction and the DC motor control is disabled, the shutter valve is fully opened by the return spring. Due to this, the air amount necessary to move the vehicle is assured.