Hyundai Elantra (CN7): ESC (Electronic Stability Control) System / ESC (Electronic Stability Control) Module

Hyundai Elantra (CN7) 2021-2026 Service Manual / Brake System / ESC (Electronic Stability Control) 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[EPB None Apply] PIN No Desciption Current max min 1Voltage supply for pump motor40A10 MΩ2Hazard switch1.

    Description and operation Description1.The ESP OFF switch is for the user to turn off the ESP system.2.The ESP OFF lamp is on when ESP OFF switch is engaged.

    Other information:

    Hyundai Elantra (CN7) 2021-2026 Service Manual: Evaporator Core

    Repair procedures Replacement1.Disconnect the negative (-) battery terminal. 2.Remove the heater and blower assembly.(Refer to Heater - "Heater Unit") 3.Remove the heater core cover (A) after loosening the mounting screws.4.Pull out the evaporator core (A) from the heater unit.

    Hyundai Elantra (CN7) 2021-2026 Service Manual: Rear View Monitor (RVM)

    Description and operation DescriptionRear view camera will activate when the backup light is ON with the ignition switch ON and the shift lever in the R position.This system is a supplemental system that shows behind the vehicle through the AV monitor or the ECM (Reverse Display Room Mirror) mirror while backing-up.

    Categories

     
    Copyright © 2026 www.helantra7.com - 0.0251