Hyundai i-30: Engine Control System / Differential Pressure Valve (DPV)

Hyundai i30 (PD) 2018-2024 Service Manual / Engine Control / Fuel System / Engine Control System / Differential Pressure Valve (DPV)

Description and operation

Description

Differential pressure valve (DPV) is control the pressure difference of EGR inlet and outlet.

Specifications

Specification

[Motor]

Item	Specification
Coil Resistance (Ω)	2.85 - 3.05 [20°C (68°F)]

[Position Sensor]

Item	Specification
Operating Voltage (V)	4.5 - 5.5
Output Voltage (V)	0.25 - 4.75

Schematic diagrams

Circuit Diagram

Harness Connector

Repair procedures

Inspection

[Motor]

1.	Turn the ignition switch OFF.

2.	Disconnect the differential pressure valve connector.

3.	Check that the differential pressure valve is stuck by foreign material.

4.	Measure resistance between motor 1 and 2 control terminals of the motor.

Check that the resistance is within the specification.

Item	Specification
Coil Resistance (Ω)	2.85 - 3.05 [20°C (68°F)]

Removal

1.	Turn the ignition switcg OFF, and disconnect the battery negative (-) terminal.

2.	Remove the air cleaner assembly. (Refer to Engine Mechanical System - "Air Cleaner")

3.	Disconnect the differential pressure valve connector (A).

Remove the differential pressure valve after loosening the mounting bolt (B).

Tightening Torque :

9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb.ft)

Installation

•	Install the component with the specified torques.

•	Note that internal damage may occur when the component is dropped. In this case, use it after inspecting.

•	Use care to keep foreign material out of the component.

1.	Install in the reverse order of removal.

Exhaust Gas Temperature Sensor (EGTS)

Description and operation Description Exhaust Gas Temperature Sensor (EGTS) is installed on Gasoline Particulate Filter (GPF) senses the temperature of exhaust gas flowing into...

Purge Control Solenoid Valve (PCSV)

Description and operation Description Purge Control Solenoid Valve (PCSV) is installed on the surge tank and controls the passage between the canister and the intake manifold...

Other information:

Hyundai i30 (PD) 2018-2024 Service Manual: Thermal Management Module (TMM) Motor

Description and operation Description Integrated thermal management module (ITM) is a device that controls the coolant flow rate according to coolant temperature. At initial startup, the integrated thermal management module (ITM) quickly warms up the engine by controlling the flow of the coolant and this fast warm-up helps improve the fuel efficiency...