Hyundai Sonata LF: ESP(Electronic Stability Program) System / ESP Control Unit Repair procedures

Hyundai Sonata LF 2014-2019 Service Manual / Brake System / ESP(Electronic Stability Program) System / ESP Control Unit Repair procedures

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

3.
Disconnect the brake tubes from the HECU by unlocking the nuts counterclockwise with a spanner.
Tightening torque :
ABS : 13.7 ~ 16.7 N.m (1.4 ~ 1.7 kgf.m, 10.1 ~ 12.3 lb-ft)

4.
Loosen the HECU bracket bolts, then remove HECU and bracket.
Tightening torque :
19.6 ~ 29.4 N.m (2.0 ~ 3.0 kgf.m, 14.5 ~ 21.7 lb-ft)

   
1.
Never attempt to disassemble the HECU.
2.
The HECU must be transported and stored in.
3.
Never shock to the HECU.
5.
Loosen the bracket bolts, then remove the bracket from HECU.
Tightening torque :
5.9 ~ 9.8 N.m (0.6 ~ 1.0 kgf.m, 4.3 ~ 7.2 lb-ft)

Installation
1.
Installation is the reverse of removal.
2.
Tighten the HECU mounting bolts and nuts to the specified torque.
3.
After installation, bleed the brake system.
(Refer to Brake System - "ESP SYSTEMBrake System Bleeding")
4.
Connect the GDS to the data link connector located underneath the dash panel.
5.
Select and operate according to the instructions on the GDS screen.
[VARIANT CODING]

[Auto Detected Configuration Reset]

[Longitidinal G Sensor Clibration]

[SAS CALIBRATION]

    ESP Control Unit Components and Components Location

    Components 1. Front - left tube2. Rear - right tube3. Rear - left tube4. Front - right tube5. MC26. MC17. EPS control module(HECU) connector8. EPS control module(HECU)9...

    Front Wheel Speed Sensor Components and Components Location

    C..

    Other information:

    Hyundai Sonata LF 2014-2019 Service Manual: Accelerator Pedal Repair procedures


    Removal 1. Turn the ignition switch OFF and disconnect the negative (-) battery cable. 2. Disconnect the accelerator position sensor connector (A). 3. Remove the mounting cap (A). 4. Remove the installation bolt (A), and then remove the accelerator pedal module...

    Hyundai Sonata LF 2014-2019 Service Manual: Power Seat Control Switch Repair procedures


    Inspection Diagnosis with GDS 1. The body electrocal system can be quickly diagnosed failed parts with vehicle diagnostic system (GDS). The diagnostic system (GDS) provides the following information. (1) Self diagnosis : Checking the failure code (DTC) and display (2) Current data : Checking the system input/output data state (3) Actuator test : Checking the system operation condition (4) Additional function : Other controlling such as he system option and zero point adjustment 2...

    Categories

    read more

     
    Copyright В© 2026 www.hsonatalf.org