ESP Control Unit Repair Procedures

Removal

1. 1
   Turn the ignition off.
2. 2
   Pull up the HECU connector lock, then disconnect the connector.

   

3. 3
   Disconnect the brake tubes from the HECU by turning the nuts counterclockwise with a wrench.

   Tightening torque: ABS: 13.7 ~ 16.7 N·m

   

4. 4
   Loosen the HECU bracket bolts, then remove the HECU and bracket.

   Tightening torque: 19.6 - 29 N·m

   

5. 5
   Loosen the bracket bolts, then remove the bracket from the HECU.

   Tightening torque: 5.9 ~ 9.8 N·m N·m

   

Installation

1. 1
   Installation is the reverse of removal.
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 — "ESP System, Brake Bleeding")
4. 4
   Connect the GDS to the Data Link Connector (DLC) located under the instrument panel.
5. 5
   Select and follow the instructions on the GDS screen. [CODING OPTION]

   

   

   

   [Automatically Detected Configuration Reset]

   

   

   

   [Longitudinal Acceleration Sensor Calibration]

   

   

   

   

   [SAS CALIBRATION]