Hyundai Santa Cruz (NX4A OB) 2021-2025 Service Manual / Dual Clutch Transmission System / Hydraulic System / High Pressure Electric Oil Pump (HP EOP)

Hyundai Santa Cruz: Hydraulic System / High Pressure Electric Oil Pump (HP EOP)

- Description

• The High Pressure Electric Oil Pump (HP EOP) consists of the motor and the pump and it is controlled by the TCM.

• It stores the amount of oil required for control in the accumulator by pumping regardless of the engine RPM.

• It is operated with ON/OFF so that the pressure in the accumulator is maintained.

- Operation Flow

- Components Location

1. High Pressure Electric Oil Pump (HP EOP)

- Specification

Item	Specification
Operating voltage (V)	12
Rotating direction	Clockwise
Motor maximum power (W)	300
Motor phase maximum current (A)	25(Condition: 60 bar, 3000 RPM)
Theoretical displacement (cc/rev)	0.42
Pump gear type	Spur gear

- Connector and Pin Function

[Connector A]

Pin	Description
1	Motor_U
2	Motor_V
3	Motor_W

- Replacement

• The High Pressure Electric Oil Pump (HP EOP) consists of the motor and the pump and it is controlled by the TCM.

• 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.Replace the dual clutch transmission assembly.(Refer to Dual Clutch Transmission System - "Dual Clutch Transmission")

Valve Body Assembly

- Components Location 1. Valve Body Assembly - Components 1. Oil pressure control solenoid valve2. Oil flow control solenoid valve3. Pressure filter4. High Pressure Electric Oil Pump (H ...

Cooling System

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