Hyundai Sonata LF: Seat Electrical / Seat Heater Switch Repair procedures

Hyundai Sonata LF 2014-2019 Service Manual / Body Electrical System / Seat Electrical / Seat Heater Switch Repair procedures

Removal
[Front Seat]
1.
Disconnect the negative (-) battery terminal.
2.
Remove the heater and A/C control unit.
(Refer to Heating, Ventilation and Air Conditioning - "Controller")

[Rear Seat]
1.
Disconnect the negative (-) battery terminal.
2.
Remove the rear door window switch.
(Refer to Power Windows - "Power Window Switch")

    Seat Heater Switch Schematic Diagrams

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    Air Ventilation Seat Components and Components Location

    C..

    Other information:

    Hyundai Sonata LF 2014-2019 Service Manual: Front Washer Motor Repair procedures


    Inspection Front Washer Motor 1. With the washer motor connected to the reservoir tank, fill the reservoir tank with water.     Before filling the reservoir tank with water, check the filter for foreign material or contamination...

    Hyundai Sonata LF 2014-2019 Service Manual: Troubleshooting


    Troubleshooting SymptomPossible causeRemedyHard steeringImproper front wheel alignmentExcessive turning resistance of lower arm ball jointLow tire pressureNo power assistCorrectReplaceAdjustRepair or replacePoor return of steering wheel to centerImproper front wheel alignmentCorrectPoor or rough rideImproper front wheel alignmentMalfunctioning shock absorberBroken or worn stabilizerBroken or worn coil springWorn lower arm bushingCorrectRepair or replaceReplaceReplaceReplace the lower arm assemblyAbnormal tire wearImproper front wheel alignmentImproper tire pressureMalfunctioning shock absorberCorrectAdjustRepair or replaceWanderingImproper front wheel alignmentPoor turning resistance of lower arm ball jointLoose or worn lower arm bushingCorrectReplaceRetighten or replaceVehicle pulls to one sideImproper front wheel alignmentExcessive turning resistance of lower arm ball jointBroken or worn coil springBent lower armCorrectReplaceReplaceRepair or replaceSteering wheel shimmyImproper front wheel alignmentPoor turning resistance of lower arm ball jointBroken or worn stabilizerWorn lower arm bushingMalfunctioning shock absorberBroken or worn coil springCorrectReplaceReplaceReplaceRepair or replaceReplaceBottomingBroken or worn coil springMalfunctioning shock absorberReplaceRepair or replace Wheel /tire noise, vibration and harshness concerns are directly related to vehicle speed and are not generally affected by acceleration, coasting or decelerating...

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