• The hydraulic system consists of a valve body, an oil filter and an oil pump.
• The oil pump is powered by the engine. ATF passes through the oil filter and gets distributed along the oil channels.
• The oil becomes highly pressurized as it exits the oil pump and passes through the line pressure valve before being fed to the clutch & brake control valve, clutch, and brakes.
• TCM controls the hydraulic pressure using solenoid valves and controls clutch and brake operations.

Hydraulic System
Electronic Oil Pump (EOP)Hyundai Tucson (NX4) 2022-2026 Service Manual: Intake Actuator
- Description
The intake actuator is located at the blower unit. It regulates the
intake door by a signal from the control unit. Pressing the intake
selection switch will shift between recirculation and fresh air modes.
- Components
1. Intake actuator
- Inspection
1.Turn the i ...
Hyundai Tucson (NX4) 2022-2026 Service Manual: Mass Air Flow Sensor (MAFS)
- Description
MAFS uses a hot-film type sensing element to measure the mass of intake
air entering the engine, and send the signal to ECM.A large amount of
intake air represents acceleration or high load conditions while a small
amount of intake air represents deceleration or idle. The ECM ...