Hyundai Sonata LF: ESP(Electronic Stability Program) System / Front Wheel Speed Sensor Components and Components Location

ESP Control Unit Repair procedures

Removal 1. Turn the ignition switch OFF. 2. Pull up the lock of the HECU connector , then disconnect the connector. 3. Disconnect the brake tubes from the HECU by unlocking the nuts counterclockwise with a spanner...

Front Wheel Speed Sensor Repair procedures

Removal 1. Raise the vehicle, and make sure it is securely supported. 2. Remove the wheel cap(A).     Be careful not to damage to the wheel cap(A) when removing the it...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Troubleshooting

Troubleshooting SymptomSuspect AreaRemedy (Refer to page)Water leaks from panorama sunroofDirt accumulated in drain tubeClear dirt inside of drainClogged drain tubeBlow air into drain to remove dirtBroken or dislocated drain tube, defective or cracked clipCheck tube installation and flange contactDeteriorated roof lid weatherstripReplaceExcessive roof lid-to-body clearance and improperly fitted weatherstripAdjustWind noise around panorama sunroofLoosen or deformed deflector, gaps in body workRetighten adjust or replaceMisaligned weather stripReadjust or replace weather stripSunroof lid makes a noise when moveForeign particles lodged in guide railCheck drive cable and guide rails for foreign particlesLoosen guide rails and lidRetightenMotor runs but panorama sunroof does not move or moves only partiallyForeign particles lodged in guide railAdjust or replaceIncorrect engagement of motor pinion with drive cableDecrease in motor`s clutch slipping forceIncreased sunroof sliding resistance or interference of sunroof with drive cables, weatherstrip, etc...

Hyundai Sonata LF 2014-2019 Service Manual: Front Pillar Trim Repair procedures

Replacement     • Put on gloves to protect your hands.     • When prying with a flat-tip screwdriver or use a prying trim tool, wrap it with protective tape, and apply protective tape around the related parts, to prevent damage...