Hyundai Sonata LF: Blind Spot Detection system / Blind Spot Detection Unit Repair procedures

Hyundai Sonata LF 2014-2019 Service Manual / Body Electrical System / Blind Spot Detection system / Blind Spot Detection Unit Repair procedures

Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the rear bumper.
(Refer to Body - "Rear Bumper")
3.
Remove the BSD unit (A) after loosening the mounting nuts.

   
Take care not to separate the bracket from rear bumper when removing the BSD sensor.
Installation
1.
Install the BSD units to the rear bumper.
2.
Install the rear bumper.
3.
Connect the negative (-) battery terminal.
   
Take care not to confuse left side (master) and right side (slave) unit when installing.
BSD units connector connect to the wiring connector.

    Blind Spot Detection Unit Schematic Diagrams

    C..

    Blind Spot Detection Switch Components and Components Location

    C..

    Other information:

    Hyundai Sonata LF 2014-2019 Service Manual: Stop Lamp Switch Components and Components Location


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    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...

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