Kia Optima DL3 Quiz
Brake System

ESC Control Module

In this manual: Brake System
General Information — 8Advanced Driver Assistance System (ADAS) — 21Maintenance — 27Engine Mechanical System — 45Engine Electrical System — 11Emission Control System — 11Engine Control System/Fuel System — 25Automatic Transmission — 20Drive Shaft and Axle — 7Suspension System — 22Steering — 7Restraints — 11Brake System — 22Body (Interior and Exterior) — 116Body Electrical System — 90Heating, Ventilation, and Air Conditioning — 32
11steps
~66min
3/5difficulty
0102030405016.712N·mlb·ft
Tightening torque found on this page
Done 0 of 11

Components and Component Location

Components

1. Front Right (FR)
2. Rear Left (RL)
3. Rear Right (RR)
4. Front Left (FL)		 5. MC2
6. MC1
7. ESP Control Module (HECU)
8. Bracket

Repair Procedures

Removal

  1. Turn the ignition switch OFF and disconnect the negative (-) battery cable.

  2. Pull up the HECU connector lock, then disconnect the connector (A).

  3. Disconnect the brake tubes from the HECU by loosening the nuts (6 pcs) counterclockwise using a wrench.

    Tightening torque: 13.7 - 16.7 N·m

    Tightening torque: 18.6 – 23 N·m

  4. Loosen the ESC control module mounting nut (A), then remove the ESC control module from the vehicle.

    Tightening torque: 19.6 - 29 N·m

  5. Separate the bracket (B) after removing the mounting bolt from the HECU (A).

Installation

  1. Install in the reverse order of removal.

  2. After installation, bleed the brake system.

    (Refer to Brake System - "Brake Bleeding Procedures")

  3. Perform variant coding.

  4. Perform automatic sensor calibration.

  5. Perform longitudinal acceleration sensor calibration.

  6. After replacing the ESC control module, perform the "Assembly Check (ECU Replacement)" special function to verify correct installation.

Diagnostic Procedure Using a Diagnostic Tool

Perform the diagnostic procedure using the diagnostic device as shown below:

Connect the self-diagnosis connector (16-pin) located under the driver's side instrument panel, then turn the ignition switch ON.

Select "Vehicle Model" and "ABS/ESC" on the KDS vehicle selection screen, then select OK.

[Variant Coding]

[Automatic Sensor Detection Calibration]

[Longitudinal Acceleration Sensor Calibration]

[Assembly Check]

Test yourself

A quick Kia Optima DL3 quiz: every answer comes with an explanation and a link to the manual page.