Hyundai Creta: ESP(Electronic Stability Program) System / ESP Control Unit

Components and components location

Components
[LHD]

1. Front - RH
2. Rear - LH
3. Rear - RH
4. Front - LH
5. MC2
6. MC1
7. ESP control module connector
8. ESP control module(HECU)
9. Bracket

[RHD]

1. Front - RH
2. Rear - LH
3. Rear - RH
4. Front - LH
5. MC2
6. MC1
7. ESP control module connector
8. ESP control module(HECU)
9. Bracket

Repair procedures

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

3.
Disconnect the brake tubes (A) and (B) from the HECU.
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 HECU bracket bolts (A) and nut (B), then remove HECU and bracket.
Tightening torque :
16.7 ~ 25.5 N.m (1.7 ~ 2.6 kgf.m, 12.3 ~ 18.8 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.
Remove the 3 bolts, then remove the bracket from HECU.
Tightening torque :
7.8 ~ 13.7N.m(0.8 ~ 1.4kgf.m, 5.8 ~ 10.1lb-ft)
[RHD]
1.
Turn the ignition switch OFF.
2.
Remove the brake fluid from the master cylinder reservoir with a syringe.
  
Be sure to completely remove foreign substances from around brake fluid reservoir and cap before opening the reservoir cap. If not, it may cause contamination of brake fluid and deterioration in braking performance.
Do not spill brake fluid on the vehicle, it may damage the paint; if brake fluid does contact the paint, wash it off immediately with water.
3.
Remove the air cleaner intake hose (A).

4.
Pull down the lock of the HECU connector and then disconnect the connector (A).

5.
Disconnect the brake tubes (A) from the HECU by unlocking the nuts counterclockwise with a spanner.
Tightening torque :
12.7 ~ 16.7N.m(1.3 ~ 1.7kgf.m, 9.4 ~ 12.3lb-ft)

6.
Disconnect the brake tubes
(A) from the HECU by unlocking the nuts counterclockwise with a spanner.
Tightening torque :
18.6 ~ 22.6 N.m (1.9 ~ 2.3 kgf.m, 13.7 ~ 16.6 lb-ft)

7.
Loosen the HECU bracket nuts (A) and then remove HECU and bracket.
Tightening torque :
16.7 ~ 25.5 N.m (1.7 ~ 2.6 kgf.m, 12.3 ~ 18.8 lb-ft)

  
1)
Never attempt to disassemble the HECU.
2)
Never shock the HECU.
8.
Remove the bolts and then remove the bracket from HECU.
Tightening torque :
7.8 ~ 13.7N.m(0.8 ~ 1.4kgf.m, 5.8 ~ 10.1lb-ft)
Installation
1.
Install in the reverse order of removal.
2.
Tighten the HECU mounting bolts and nuts to the specified torque.
3.
After installation, bleed the brake system.
(Refer to ESP (Anti-Lock Brake System) - "ESP System Bleeding")
Diagnosis procedure by using diagnostic device
As manual for diagnosis methods by using diagnosis device, the main contents are as follows:
Connect self-diagnosis connector(16pins) located in the lower of driver side crash pad to self-diagnosis device, and then turn the self-diagnosis device after key is ON.
Select the "vehicle model" and "ABS/ESC" on GDS vehicle selection screen, then select OK.
[Variant Coding]

[Auto Detected Sensor Calibration]

[Longitudinal G Sensor Calibration]

Repair procedures
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Other information:

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