Hyundai Creta: Injector / CVVT Oil Control Valve (OCV)

Hyundai Creta GS 2014-2025 Service Manual / Engine Control / Fuel System / Injector / CVVT Oil Control Valve (OCV)

Description and operation

Description

The Continuously Variable Valve Timing (CVVT) system controls the amount of valve overlap by varying the amount of oil flow into an assembly mounted on the intake camshaft through ECM control of an oil control valve.

As oil is directed into the chambers of the CVVT assembly, the cam phase is changed to suit various performance and emissions requirements.

1.	When camshaft rotates engine rotation-wise: Intake-Advance / Exhaust-Retard

2.	When camshaft rotates counter engine rotation-wise: Intake- Retard / Exhaust- Advance

Specifications

Specification

Item	Specification
Coil Resistance (Ω)	6.9 ~ 7.9 [20°C (68°F)]

Schematic diagrams

Circuit Diagram

(M/T)

(A/T)

Repair procedures

Inspection

1.	Turn ignition switch OFF.

2.	Disconnect OCV connector.

3.	Measure resistance between OCV terminals 1 and 2.

Check that the resistance is within the specification.

Specification : Refer to "Specification"

Removal

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

2.	Disconnect the CVVT oil control valve connector (A).

3.	Remove the mounting bolt (B), and then remove the valve from the engine. [Bank 1/Intake] [Bank 1/Exhaust]

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.

•	Apply the engine oil to the valve O-ring.

Install in the reverse order of removal.

CVVT oil control valve mounting bolt :

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

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