VARIABLE TUMBLE CONTROL SYSTEM (VTCS)
id014000176600
Outline
• The function of the VTCS is the same as that of the current Mazda6 (GG, GY) models, except for the following:
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- Output devices
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- Operation conditions
Operation
Operation conditions
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• When all of the following conditions have been met, the PCM activates the circuit on the close-side of the VTCS shutter valve actuator. The VTCS shutter valve closes according to the following:
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- Engine speed: Less than 3,250 rpm
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- Engine coolant temperature: Less than 60°C {140°F}
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- Throttle opening angle: Less than specified value (fluctuates depending on engine speed)