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 Owners Manual: Tire Replacement
If the tire is worn evenly, a tread wear indicator will appear as a solid band across the tread. This shows there is less than 1/16 inch (1.6 mm) of tread left on the tire. Replace the tire when this happens. Do not wait for the band to appear across the entire tread before replacing the tire. W ...

Hyundai Sonata LF 2014-2019 Owners Manual: Warning messages
Shift to P (for smart key system and automatic transaxle) This warning message illuminates if you try to turn off the engine without the shift lever in P (Park) position. At this time, the Engine Start/Stop button turns to the ACC position (If you press the Engine Start/Stop button once more, ...