Engine Compartment (Top View)
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No. |
Component |
Function |
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Coolant pump switchover valve |
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Charge air temperature sensor downstream of throttle valve |
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Pressure sensor upstream of throttle valve |
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Charge air temperature sensor upstream of throttle valve |
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Throttle valve actuator |
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Partial load operation crankcase ventilation valve |
The partial load operation crankcase ventilation valve is usually open, and blow-by gas is sucked into the boost air distributor pipe from the oil separator. During deceleration, the partial load operation crankcase ventilation valve is closed according to a signal from ECM. This stops blow-by gas flown from crankcase to intake air system and reduces noise. |
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Pressure sensor downstream of throttle valve |
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Boost pressure control vacuum transducer |