Hyundai Sonata LF: Airbag Module / Knee Airbag (KAB) Module Description and Operation

Hyundai Sonata LF 2014-2019 Service Manual / Restraint / Airbag Module / Knee Airbag (KAB) Module Description and Operation

Description

The Knee Airbag (KAB) is installed inside the crash pad lower panel and protects the driver in the event of a frontal crash. The SRSCM determines if and when to deploy the KAB.

Never attempt to measure the circuit resistance of the airbag module (squib) even if you are using a specified tester. If the circuit resistance is measured with a tester, accidental airbag deployment will result in serious personal injury.

Curtain Airbag (CAB) Module Repair procedures

Removal 1. Disconnect the battery negative cable and wait for at least 3 minutes before beginning work. 2. Remove the roof trim. (Refer to Body - "Roof Trim Assembly") 3...

Knee Airbag (KAB) Module Components and Components Location

C..

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: CVVT & Camshaft Components and Components Location