Hyundai Tucson (NX4) 2022-2026 Service Manual / 4 Wheel Drive (4WD) System / Coupling Assembly / Pressure Sensor

Hyundai Tucson: Coupling Assembly / Pressure Sensor

- Description The 4WD ECU makes a Motor Pump(Actuator) turn round for generating an oil pressure. And then it presses a multiple disk clutch and transfers the generated torque into rear wheels. Its torque value varies according to a pressure status.

• Component location

- Circuit Diagram

- Inspection

Measure the resistance of pressure sensor

1.Turn ignition switch OFF.

2.Disconnect the pressure sensor connector.

3.Measure resistance between sensor terminal and terminal.

4.Check the measured resistance. (Refer to table)

[Table 1]

Terminal	Resistance
PIN 2 – PIN 3	1.59 - 2.39 kΩ
PIN 1 – PIN 3	152 - 231.6 kΩ
PIN 1 – PIN 2	153.52 - 233.88 kΩ

- Removal

• Be careful not to damage the parts located under the vehicle (floor under cover, fuel filter, fuel tank and canister) when raising the vehicle using the lift.(Refer to General Information - "Lift and Support Points")

1.Remove the coupling assembly.(Refer to 4 Wheel Drive (4WD) System - "Direct Electro Hydraulic Actuator Coupling")

• Keep it level with the sticker (A) on the top of the coupling.

2.Remove the pressure sensor (A).

• Keep going horizontal state to prevent leaks during remove the pressure sensor.

Tightening torque:10.8 - 14.7 N.m (1.1 - 1.5 kgf.m, 8.0 - 10.8 lb-ft)

- Installation

1.To install, reverse the removal procedure.

• Check the cleanliness of the pressure sensor before installation.

• Check the pressure sensor O-ring (A).

• Keep it level with the sticker (A) on the top of the coupling.

Oil hydraulic Motor(Actuator)

- Description The 4WD ECM controls the Pump Motor Pump (Actuator) to generating an oil pressure. The pressure engages a multiple disk clutch to transfer torque to the rear wheels. The torque to ...

4WD Control System

- Adjustment Description The friction material inside the coupling will degrade over time. Therefore, corresponding compensation values must be referenced and entered after replacing the cont ...

Other information:

Hyundai Tucson (NX4) 2022-2026 Service Manual: Rear Wheel Speed Sensor
- Components [2WD] 1. Rear wheel speed sensor [4WD] 1. Rear wheel speed sensor - Removal • Be careful not to damage the parts located under the vehicle (floor under cover, fuel filter, fuel tank and canister) when raising the vehicle using the lift.(Refe ...

Hyundai Tucson (NX4) 2022-2026 Service Manual: TPMS Receiver
- Description TPMS Receiver : BCM(body control module) integrated management 1.Mode(1)Virgin State • The receiver as a sole part is shipped in this state. Replacement parts should therefore arrive in this state. • In this state, there is no Auto-Location, no sensor wake-up, no sensor mo ...