Hyundai Sonata: Engine Control System / RCV Control Solenoid Valve Description and Operation

Hyundai Sonata LF 2014-2019 Service Manual / Engine Control / Fuel System / Engine Control System / RCV Control Solenoid Valve Description and Operation

Description
RCV (Recirculation Valve) Control Solenoid Valve is installed on the cooling pan motor top and operates the RCV actuator which controls the by-pass passage of the turbo-charger compressor.
When the throttle valve is closed during engine running [Tip-out], crash noise of the impeller will occur because of rapid increasing of the boost pressure. So, in this case, in order to prevent this phenomenon, ECM maintains the appropriate boost pressure by opening the by-pass passage.

Electric WGT Control Actuator Repair procedures
Inspection [Motor] 1. Turn ignition switch OFF. 2. Disconnect the EWGA connector. 3. Check that the EWGA is stuck by foreign material. 4. Measure resistance between motor (+) and ( ...

RCV Control Solenoid Valve Specifications
Specification ItemSpecificationCoil Resistance(?)28.3 ~ 31.1 [20°C(68°F)] ...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Start/Stop Button Repair procedures
Removal 1. Disconnect the negative(-) battery terminal. 2. Remove the center facia panel. (Refer to Heating, Ventilation and Air Conditioning - "Controller") 3. Remove the start/stop button (A) after loosening the screw (3EA). Installation 1. Install the start/stop button. 2. ...

Hyundai Sonata LF 2014-2019 Service Manual: Troubleshooting
Troubleshooting     • The battery must be in good condition and fully charged for this troubleshooting. ...

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