Hyundai Elantra AD Quiz
Brake System

ESC Control Module Repair Procedures

In this manual: Brake System
General Information — 9Engine Mechanical System — 84Engine Electrical System — 60Emission Control System — 24Engine Control System/Fuel System — 90Automatic Transmission — 92Drive Shaft and Axle — 20Suspension System — 31Steering — 20Restraints — 50Brake System — 63Body (Interior and Exterior) — 214Body Electrical System — 221Heating, Ventilation, and Air Conditioning — 71
13steps
~78min
3/5difficulty
0102030405016.712N·mlb·ft
Tightening torque found on this page
Done 0 of 13

Removal

  1. Turn the ignition switch OFF and disconnect the negative (-) battery cable.
  2. Pull up the lock of the HECU connector (A), then disconnect the connector.
  3. Remove the brake fluid from the master cylinder reservoir using a syringe.
    • Be sure to completely remove foreign material around the brake fluid reservoir and cap before opening the cap. If not, brake fluid may become contaminated and braking performance may deteriorate.
    • Do not spill brake fluid on the vehicle, as it may damage the paint. If brake fluid gets on the paint, wash it off immediately with water.
  4. Disconnect the brake tubes from the HECU by turning the nuts counterclockwise with a wrench.

    Tightening torque: 12.7 - 16.7 N·m

    Tightening Torque: 18.6 ~ 23 N·m

  5. Disconnect the connectors, then remove the bracket.
  6. Loosen the HECU bracket bolts (A), then remove the HECU and bracket.

    Tightening torque: 16.7 ~ 26 N·m

  7. Remove the 3 bolts, then remove the bracket from the HECU.

    Tightening torque: 7.8 ~ 9.8 N·m

Installation

  1. To install, reverse the removal procedure.
  2. Tighten the HECU mounting bolts and nuts to the specified torque.
  3. After installation, bleed the brake system. (Refer to Electronic Stability Program (ESP) System - "ESP System Bleeding")
  4. Perform variant coding.
  5. Perform automatic sensor calibration.
  6. Perform longitudinal acceleration sensor calibration.

Adjustment

Diagnosis Procedure Using the Diagnostic Tool: The main contents of the diagnostic procedure using the diagnostic device are as follows: Connect the self-diagnosis connector (16-pin) located in the lower driver-side trim panel to the self-diagnosis device, then turn the ignition key on and turn on the self-diagnosis device. Select "Vehicle Model" and "ABS/ESC" on the GDS vehicle selection screen, then select "OK".

[Variant Coding]

[Automatic Sensor Calibration]

[Longitudinal Acceleration Sensor Calibration]

Test yourself

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