Hyundai Tucson: Crankcase Emission Control System / Description and Operation
A : Crankcase pressure regulating valve (PRV)
B : Breather hose
C : Intake hose
D : Air flow
E : Intake manifold
F : Cylinder block
①Blow-by gas flow② Blow-by gas inflow to the cylinder head cover throungh the cylinder block & head & chain cover③-1 In the partial load area, blow-by gas inflow to the intake manifold through the PRV valve which in the head cover.③-2 In the full load area, blow-by gas inflow to the intake hose through the PRV valve which in the head cover.④ Mix of intake hose and blow-by gas. Blow-by gas is circulated by the ③-1, ③-2 procedure.⑤ Combustion the air-flow mixture.⑤-1 Air flow to cylinder block.
Positive Crankcase Ventilation (PCV) Valve
- Description
Pressure Regulating Valve (PRV) is installed to prevent the over
pressure of combustion gas through the piston ring and onto the
crankcase.
- Operating Principle
Engine cond ...
Other information:
Hyundai Tucson (NX4) 2022-2025 Owner's Manual: Scheduled Ventilation Control. Automatic Controls for the
Driver Based on Climate Control
System Settings
Scheduled Ventilation Control (if
equipped)
The Scheduled Ventilation Control
releases hot air in the vehicle to lower
the cabin temperature before getting in
the vehicle.
Depending on the outside ambient
temperature, the blower is operated for 5
to 15 minutes while the vehicle is park ...
Hyundai Tucson (NX4) 2022-2025 Service Manual: Electronic Shift Actuator
- Description
Controls the 4 position of P(Parking), R, N, D using the rotation of
the motor of according to the electric signal when the shift button is
operated.
- Specification
ItemSpecification
MotorVoltage(V)10 - 16
Electric current (A)36.41 @ 16V, - 40ËšC (- 104ËšF)
Coil resis ...
