Hyundai Elantra (CN7): ABS(Anti-Lock Brake System) / Components and components location

Components

1. ABS control module (HECU)
2. Front wheel speed sensor
3. Rear wheel speed sensor
4. ESC OFF switch





    DescriptionThis specification applies to HCU(Hydraulic Control Unit) and ECU(Electronic Control Unit) of the HECU.(Hydraulic and Electronic Control Unit)This specification is for the wiring design and installation of ABS/ESP ECU.

    Standard Flow of Diagnostic TroubleshootingNotes With Regard To DiagnosisThe phenomena listed in the following table are not abnormal. Condition Explanation System check soundWhen starting the engine, a thudding sound can sometimes be heard coming from inside the engine compartment.

    Other information:

    Hyundai Elantra (CN7) 2021-2026 Service Manual: High Mounted Stop Lamp

    Repair procedures Removal1.Disconnect the negative (-) battery terminal.2.Remove the rear package tray trim.(Refer to Body - "Rear Package Tray Trim")3.Loosen the mounting screws and remove the high mounted stop lamp (A).Installation1.Install the high mounted stop lamp.

    Hyundai Elantra (CN7) 2021-2026 Service Manual: Description and operation

    DescriptionRear Corner Radar is a system that measures the relative speed and distance from the following vehicles by using two electromagnetic wave radar sensors attached to the rear bumper, and detects any vehicle within the blind spot zone and gives off alarm.

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