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: BSD (Blind Spot Detection) / LCA (Lane Change Assist)
Operating conditions To operate: Press the BSD switch with the Engine Start/Stop button in the ON position. The indicator illuminates on the switch. If vehicle speed exceeds 20 mph (30km/h) the system will activate. To cancel: Press the BSD switch again. The indicator on the switch will go off. W ...

Hyundai Sonata LF 2014-2019 Service Manual: Steering Column and Shaft Repair procedures
Removal [For C-MDPS Type] Must be backup the ECU data before exchanging the ECU. The backup data is stored by the VIN number. Before exchanging the MDPS motor, must be confirm the last two digit of the constant value in motor barcord. 1. Disconnect the battery negat ...