ESP Control Unit Repair Procedures

DEPOSIT

1. 1
   Turn the ignition switch to the OFF position.
2. 2
   Pull up the lock of the HECU connector, then disconnect the connector.

   

3. 3
   Disconnect the brake lines from the HECU by loosening the nuts counterclockwise using a flare nut wrench. Tightening torque: A: 12.7 ~ 16.7 N·m B: 18.6 ~ 23 N·m

   

4. 4
   Loosen the HECU bracket nuts (A), then remove the HECU and bracket.

   Tightening torque: 16.7 ~ 26 N·m N·m

   

5. 5
   Turn the ignition switch to the OFF position.
6. 6
   Pull up the lock of the HECU connector, then disconnect the connector.

   

7. 7
   Disconnect the brake lines from the HECU by loosening the nuts counterclockwise using a flare nut wrench.

   Tightening torque: 12.7 - 16.7 N·m

   

8. 8
   Loosen the HECU bracket nuts (A), then remove the HECU and bracket.

   Tightening torque: 16.7 ~ 26 N·m N·m

   

REMEDY

1. 1
   To install, perform the removal procedure in reverse order.
2. 2
   Tighten the HECU mounting bolts and nuts to the specified torque.
3. 3
   After installation, bleed the brake system. (Refer to Brake System - ABS System Bleeding)
4. 4
   Connect the GDS to the data link connector located below the instrument panel.
5. 5
   Select and use according to the instructions displayed on the GDS screen. [CODING OPTION]

   

   

   [Reset Auto Detection Settings]

   

   

   [Longitudinal G-Sensor Calibration]

   

   

   [AIR CALIBRATION]