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: Auto Defoging Actuator

    Description and operation DescriptionThe auto defogging sensor is installed on front window glass. The sensor judges and sends signal if moisture occurs to blow out wind for defogging. The air conditioner control module receives a signal from the sensor and restrains moisture and eliminates defog by the intake actuator, A/C, auto defogging actua

    Hyundai Elantra (CN7) 2021-2026 Service Manual: Special service tools

    Special Service Tools Tool Name / Number Illustration Description LKA Compensator(09890-3V100)Used for compensating front view camera unitBCW Sensor Correction Tool Set(09958-3T500)Used to correct the blind-spot radar unit.

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