Hyundai Elantra (CN7): Brake System / ABS(Anti-Lock Brake System)
- Description and operation
- Components and components location
- Troubleshooting
- Schematic diagrams
- ESC (Electronic Stability Control) Module
- Front Wheel Speed Sensor
- Rear Wheel Speed Sensor
Description and operation DescriptionIntroduction of Quick Brake Warning System (ESS)In case of quick brake by driver, the brake lamp or turn signal is blinked to warn against the vehicle at rear.
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.
Other information:
Hyundai Elantra (CN7) 2021-2025 Service Manual: Repair procedures
Inspection1.Check for resistance between terminals in each switch position (LH).[LH : Audio + Hands free] Switch Resistance (±5%) SEEK Up430 ΩSEEK Down1.11 kΩMODE2.11 kΩMUTE3.11 kΩVolume (+)4.
Hyundai Elantra (CN7) 2021-2025 Service Manual: Parking Distance Warning (PDW) Sensor
Schematic diagrams Circuit Diagram Repair procedures Removal1.Remove the bumper cover.(Refer to Body - "Front Bumper Cover")(Refer to Body - "Rear Bumper Cover")2.Disconnect the ultrasonic sensor connector (A) and remove the ultrasonic sensor (B).
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