Kia Cadenza YG: Engine Control System / CVVT Oil Control Valve (OCV) Repair procedures

Kia Cadenza YG 2016-2021 Service Manual / Engine Control / Fuel System / Engine Control System / CVVT Oil Control Valve (OCV) Repair procedures

Inspection
1.
Turn the ignition switch OFF.
2.
Disconnect the OCV connector.
3.
Measure resistance between the OCV terminals 1 and 2.
4.
Check that the resistance is within the specification.
Specification: Refer to “Specification”
Removal
[CVVT Oil Control Valve (Intake)]
1.
Turn the ignition switch OFF and disconnect the battery negative (-) cable.
2.
Remove the intake manifold.
(Refer to Engine Mechanical System - “Intake Manifold”)
3.
Disconnect the CVVT oil control valve connector (A).
4.
Remove the installation bolt (B), and then remove the valve from the engine.
[Bank 1]

[Bank 2]

[CVVT Oil Control Valve (Bank1/Exhaust)]
1.
Turn the ignition switch OFF and disconnect the battery negative (-) cable.
2.
Disconnect the CVVT oil control valve connector (A).

3.
Remove the surge tank.
(Refer to Engine Mechanical System - "Surge Tank")
4.
Remove the cylinder head cover.
(Refer to Engine Mechanical System - “Cylinder Head Cover”)
5.
Remove the installation bolt (A), and then remove the valve from the engine.

[CVVT Oil Control Valve (Bank2/Exhaust)]
1.
Turn the ignition switch OFF and disconnect the battery negative (-) cable.
2.
Disconnect the CVVT oil control valve connector (A).

3.
Remove the cylinder head cover.
(Refer to Engine Mechanical System - “Cylinder Head Cover”)
4.
Remove the installation bolt (A), and then remove the valve from the engine.

Inatallation
   
•
Install the component with the specified torques.
•
Note that internal damage may occur when the component is dropped. If the component has been dropped, inspect before installing.
   
•
Apply the engine oil to the valve O-ring.
   
•
Exactly distinguish the color of the valve and harness connectors in bank 1 and 2 when installing, or the engine will operate abnormally (Refer to the table below).
Items
Component Side
Harness Side
Bank 1 (RH)
Grey
Bank 2 (LH)
Black

1.
Install in the reverse order of removal.
CVVT oil control valve installation bolt:
9.8 ~ 11.8 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.7 lb-ft)

    Circuit Diagram

    Description Variable Intake manifold Solenoid (VIS) valves are installed on the intake manifold (VIS Valve 1) and the surge tank (VIS Valve 2). These VIS valve 1 and 2 control vacuum modulators which activate valves in the intake manifold and the surge tank.

    Other information:

    Kia Cadenza YG 2016-2021 Service Manual: Schematic Diagrams

    Circuit Diagram SVM System Input/Output 1. Camera input ItemSpecificationLens angle of view190 degreesAngle of viewHorizontal186 degreesVertical135 degreesFunctionProvides the original image of the wide angle image (no additional function)Application locationSame camera applied to the front, rear, left and right 2.

    Kia Cadenza YG 2016-2021 Service Manual: A/C Pressure Transducer Description and Operation

    Description A/C pressure transducer convert the pressure value of high pressure line into voltage value after measure it. By converted voltage value, engine ECU controls cooling fan by operating it high speed or low speed. Engine ECU stop the operation of compressor when the temperature of refrigerant line is so high or so low irregularl

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