Engine Compartment (Top View)

Courtesy of NISSAN NORTH AMERICA, INC.

No.	Component	Function
	Coolant pump switchover valve	COOLANT PUMP SWITCHOVER VALVE
	Charge air temperature sensor downstream of throttle valve	CHARGE AIR TEMPERATURE SENSOR DOWNSTREAM OF THROTTLE VALVE
	Pressure sensor upstream of throttle valve	PRESSURE SENSOR UPSTREAM OF THROTTLE VALVE
	Charge air temperature sensor upstream of throttle valve	CHARGE AIR TEMPERATURE SENSOR UPSTREAM OF THROTTLE VALVE
	Throttle valve actuator	THROTTLE VALVE ACTUATOR
	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.
	Pressure sensor downstream of throttle valve	PRESSURE SENSOR DOWNSTREAM OF THROTTLE VALVE
	Boost pressure control vacuum transducer	BOOST PRESSURE CONTROL VACUUM TRANSDUCER