1. Front - right (FR)
2. Rear - left (RL)
3. Rear - right (RR)
4. Front - left (FL)
5. MC2
6. MC1
7. ESC Control unit (HECU) connector
8. Bracket
1.Disconnect the battery negative ( - ) terminal.
2.Pull up the lock of the ESC control unit (HECU) connector and then disconnect the connector (A).
3.Separate the brake tube by removing the flare nuts (A), (B) connected to the ESC control unit (HECU).
Tightening torque :(A) : 13.7 - 16.7 N·m (1.4 - 1.7 kgf·m, 10.1 - 12.3 lb·ft)(B) : 18.6 - 22.6 N·m (1.9 - 2.3 kgf·m, 13.7 - 16.6 lb·ft)
4.Remove the bracket mounting nuts and remove the ESC control unit (HECU) (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.Remove the bolts to remove the bracket (B) from the ESC control unit (HECU) (A).
1.Install in the reverse order of removal.
2.After installation, bleed the brake system. (Refer to Brake System - "Brake Bleeding Procedures")
3.Conduct the Variant Coding.
4.Conduct the Auto Detected Sensor Calibration.
5.Conduct the Longitudinal G Sensor Calibration.
6.After replacing the ESC control unit execute the "Assembly Check (ECU replacement)" of the additional function to check that the mounting is successful.
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 "ABS/ESC" on diagnostic tool vehicle selection screen, then select OK.
Hyundai Tucson (NX4) 2022-2025 Service Manual: Troubleshooting
- Troubleshooting
SymptomPossible causeRemedy
Hard steeringImproper front wheel alignmentCorrect
Excessive turning resistance of lower arm ball jointReplace
Low tire pressureAdjust
No power assistRepair and replace
Poor return of steering wheel to centerImproper front wheel alignmentCorrect
...
Hyundai Tucson (NX4) 2022-2025 Owner's Manual: Fuse Panel Description
Instrument panel fuse panel
Inside the fuse panel cover, you can find
the label describing fuse names and
ratings.
Information
Not all fuse panel descriptions in this
manual may be applicable to your
vehicle. When you inspect the fuse panel
on your vehicle, refer to the fuse panel
...