Hyundai Sonata LF: SRSCM / Seat Belt Buckle Switch (BS) Description and Operation

Hyundai Sonata LF 2014-2019 Service Manual / Restraint / SRSCM / Seat Belt Buckle Switch (BS) Description and Operation

Description

The SRSCM shall monitor the status of the driver and front passenger seat belt buckle. The SRSCM provides one pin each for the driver and front passenger seat belt buckle status input. The seat belt buckle circuit operates from internal boost voltage supplied by the SRSCM, and uses chassis ground for the signal return. The buckle status shall modify the SRSCM deployment. If the buckle status is unbuckled, the corresponding pretensioner will not be deactivated.

Side Impact Sensor (SIS) Repair procedures

Removal Pressure Side Impact Sensor • Removal of the airbag must be performed according to the precautions/procedures described previously...

Seat Belt Buckle Switch (BS) Components and Components Location

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Other information:

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...

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