ESC Control Module

Components and Component Location

Components

1. ESC Control Module Connector 2. ESC Control Module

3. ESC control module bracket

Repair Procedures

Removal

1. 1
   Turn the ignition switch OFF and disconnect the negative (-) battery cable.
2. 2
   Remove the brake fluid from the master cylinder reservoir using a syringe.
3. 3
   Remove the air cleaner assembly. G 1.0 MPI (Refer to Engine Mechanical System - 'Air Cleaner') G 1.2 MPI (Refer to Engine Mechanical System - 'Air Cleaner') F 1.0 MPI (Refer to Engine Mechanical System - 'Air Cleaner')
4. 4
   Loosen the bolt and remove the CVVT oil control valve bracket (A) and connector bracket (B).

   

5. 5
   Disconnect the brake tubes from the ESC by turning the nuts counterclockwise with a wrench. Tightening torque: A: 12.7–16.7 N·m B: 18.6–23 N·m

   

6. 6
   Disconnect the ESC control module connector.

   

7. 7
   Loosen the nuts and remove the ESC control module (HECU).

   

Installation

1. 1
   Install in the reverse order of removal.
2. 2
   After installation, bleed the brake system.
3. 3
   Perform variant coding.
4. 4
   Perform automatic sensor calibration.
5. 5
   Perform longitudinal acceleration sensor calibration.

Diagnostic Procedure Using the Diagnostic Tool

Perform the diagnostic procedure using the diagnostic device as follows: Connect the self-diagnosis connector (16-pin) located under the driver's side panel, bring the scan tool close to the self-diagnosis device, then turn the key on. Select 'Vehicle Model' and 'ABS/ESC' on the GDS vehicle selection screen, then select 'OK'.

[Variant Coding]

[Automatic Sensor Calibration]

[Longitudinal Acceleration Sensor Calibration]