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: ESC OFF usage
When Driving The ESC OFF mode should only be used briefly to help free the vehicle if stuck in snow or mud by temporarily stopping operation of the ESC to maintain wheel torque. To turn ESC off while driving, press the ESC OFF button while driving on a flat road surface. NOTICE To prevent damage t ...

Hyundai Sonata LF 2014-2019 Service Manual: Power Door Mirror Actuator Repair procedures
Inspection 1. Disconnect the negative (-) battery terminal. 2. Remove the front door quadrant inner cover (A). 3. Disconnect the power door mirror connector from the harness. 4. Apply battery voltage to each terminal as shown in the table and verify that the mirror operates properly. ...