Hyundai Tucson: ESC Control unit (HECU) - Adjustment
Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual / Brake System / ESC (Electronic Stability Control) System / ESC Control unit (HECU) - Adjustment
Adjustment
Perform diagnostic procedure by using diagnostic device as shown below :
- Connect self-diagnosis connector (16pins) located under the driver side crash pad to self-diagnosis device, and then torn the self-diagnosis device after key is ON.
- Select the "vehicle model" and "ABS/ESC" on diagnostic tool vehicle selection screen, then select OK.
Variant Code Reset
Variant Coding
Longitudinal G Sensor Calibration
Assembly Check (ECU replacement)
Description
- The ESC OFF switch is for the user to turn off the ESC system.
- The ESC OFF lamp is on when ESC OFF switch is engaged.
Removal
- Disconnect the battery negative ( - ) terminal.
- Remove the crash pad lower panel.
(Refer to Body - "Crash Pad Lower Panel")
- Remove the screws and remove the ESC OFF switch (A).
- Remove the ESC OFF switch connector (A) by pressing the locking pin.
Installation
- Install in the reverse order of removal
READ NEXT:
Front wheel speed sensor/ Front wheel speed sensor connector
Components
Front wheel speed sensor
Front wheel speed sensor connector
Removal
Loosen the wheel nuts slightly.
Raise the vehicle, and make sure it is securely supported.
Remove the front wheel and tire (A) from the front hub.
Rear wheel speed sensor
Components
2WD
Rear wheel speed sensor
4WD
Rear wheel speed sensor
Rear wheel speed sensor- Removal- 2WD
Removal
2WD
Loosen the wheel nuts slightly.
Raise the vehicle, and make sure it is securely supported.
Remove th
Rear wheel speed sensor- Replacement
Replacement
Remove the rear wheel hub bearing assembly.
(Refer to Drivesliaft and Axle - "Rear Hub - Carrier")
Fix the rear hub bearing assembly (A) on the vise.
WARNING
When fixing on the vise, use a cloth not to be damaged
SEE MORE:
Brake Pedal
Components
Brake member assembly
Stop lamp switch
Brake pedal arm assembly
Brake pedal pad
Schematic Diagram
System circuit diagram
Terminal Function
Adjustment
Turn ignition switch OFF and disconnect the negat
Emergency Call System
Description
Emergency Call (eCall)
When an accident occurs or the user's request is detected, it notifies the
call center of the vehicle status using the wireless
network so that the center can provide necessary emergency service.
Em
Information
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- Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual
