Hyundai Elantra (CN7): ABS(Anti-Lock Brake System) / ESC (Electronic Stability Control) Module

Hyundai Elantra (CN7) 2021-2026 Service Manual / Brake System / ABS(Anti-Lock Brake System) / ESC (Electronic Stability Control) Module

Components and components location

Components
[LHD]

1. Front - right (FR)
2. Rear - left (RL)
3. Rear - right (RR)
4. Front - left (FL)
5. MC2
6. MC1
7. ABS control module (HECU)
8. Bracket

[RHD]

1. Front - right (FR)
2. Rear - left (RL)
3. Rear - right (RR)
4. Front - left (FL)
5. MC2
6. MC1
7. ABS control module (HECU)
8. Bracket

Repair procedures

Removal
[LHD]
1.
Turn ignition switch OFF and disconnect the negative (-) battery cable.
2.
Pull up the lock of the HECU connector and then disconnect the connector (A).

3.
Separate the brake tubes from the HECU by unlocking the nuts (6-ea) couterclockwise using a spanner.
Tightening torque :
12.7 - 16.7 N.m (1.3 - 1.7 kgf.m, 9.4 - 12.3 lb-ft)

Tightening torque :
18.6 - 22.6 N.m (1.9 - 2.3 kgf.m, 13.7 - 16.6 lb-ft)

4.
Loosen the ABS control module mounting nut and then remove the ABS control module (A) from the vehicle.
Tightening torque :
16.7 - 25.5 N.m (1.7 - 2.6 kgf.m, 12.3 - 18.8 lb-ft)

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

[RHD]
1.
Turn ignition switch OFF and disconnect the negative (-) battery cable.
2.
Remove the battery and battery tray.
(Refer to Engine Electrical System - "Battery")
3.
Pull up the lock of the HECU connector and then disconnect the connector (A).

4.
Separate the brake tubes from the HECU by unlocking the nuts (6-ea) couterclockwise using a spanner.
Tightening torque :
12.7 - 16.7 N.m (1.3 - 1.7 kgf.m, 9.4 - 12.3 lb-ft)

Tightening torque :
18.6 - 22.6 N.m (1.9 - 2.3 kgf.m, 13.7 - 16.6 lb-ft)

5.
Loosen the ABS control module mounting nut and then remove the ESC control module (A) from the vehicle.
Tightening torque :
16.7 - 25.5 N.m (1.7 - 2.6 kgf.m, 12.3 - 18.8 lb-ft)

6.
Separate the bracket (B) after remove the mounting bolt from the HECU (A).

Installation
1.
To install, reverse the removal procedure.
2.
After installation, bleed the brake system.
(Refer to Brake System - "Brake Bleeding Prcoedures")
Adjustment
Perform diagnostic procedure by using diagnostic device as shown below.
1.
Connect self-diagnosis connector (16pins) located under the driver side crash pad to self-diagnosis device, and then turn the self-diagnosis device after key is ON.
2.
Select the "vehicle model" and "ESP/ESC" on GDS vehicle selection screen, then select OK.
[Variant Code Reset]

[Variant Coding]

[Longitudinal G Sensor Calibration]

    Terminal Function Pin No Description Current (AMPS) Resistance (mΩ) Remark 1POS.

    Components and components location Components1. Front wheel speed sensor2. Front wheel speed sensor connector Repair procedures Removal1.Turn ignition switch OFF and disconnect the negative (-) battery cable.

    Other information:

    Hyundai Elantra (CN7) 2021-2026 Service Manual: Blower Motor

    Repair procedures Inspection1.Connect the battery voltage and check the blower motor rotation.Replacement1.Disconnect the negative (-) battery terminal.2.Disconnect the blower motor connector (A) and then remove the blower motor (B) after loosening the screws.

    Hyundai Elantra (CN7) 2021-2026 Service Manual: General safety information and caution

    General Safety Information and Caution1.Be careful when driving the vehicle using the smart cruise control system as follows.(1)On curves or inclines/declines• The smart cruise control system may have limits to detect distance to the vehicle ahead due to road and traffic conditions.

    Categories

     
    Copyright © 2026 www.helantra7.com - 0.0149