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: AVN(Audio Video Navigation) head unit Repair procedures
Removal     • Take care not to scratch the cluster fascia panel and related parts. • Eject all the disc before removing the AVN head unit to prevent damaging the DVD player's load mechanism. • Wrap the protective tape on the tool to disassemble with the scre ...

Hyundai Sonata LF 2014-2019 Service Manual: Smart Key Unit Repair procedures
Removal Smart Key Unit 1. Disconnect the negative (-) battery terminal. 2. Remove the glove box. (Refer to Body - "Glove Box Upper Cover Assembly") 3. Remove the smart key unit (B) after disconnecting the connectors (A) and loosening the bolt and nut. Interior 1 Antenna   ...

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