Hyundai Tucson: ESC Control unit (HECU) - Adjustment

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 torn 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.

Variant Code Reset

Variant Coding

Longitudinal G Sensor Calibration

Assembly Check (ECU replacement)

Description

1. The ESC OFF switch is for the user to turn off the ESC system.
2. The ESC OFF lamp is on when ESC OFF switch is engaged.

Removal

1. Disconnect the battery negative ( - ) terminal.
2. Remove the crash pad lower panel.

   (Refer to Body - "Crash Pad Lower Panel")

3. Remove the screws and remove the ESC OFF switch (A).

4. Remove the ESC OFF switch connector (A) by pressing the locking pin.

Installation

1. Install in the reverse order of removal

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