Hyundai Veloster: ESC Control Module. Repair procedures

Hyundai Veloster 2011-2017 Service Manual / Brake System / ESC(Electronic Stability Control) System / ESC Control Module. Repair procedures

Removal

1.	Turn ignition switch OFF.

Disconnect the brake tubes from the HECU by unlocking the nuts counterclockwise with a spanner.

Tightening torque:

A: 12.7 ~ 16.7 N.m (1.3 ~ 1.7 kgf.m, 9.4 ~ 12.3 lb-ft)

B: 18.6 ~ 22.6 N.m (1.9 ~ 2.3 kgf.m, 13.7 ~ 16.6 lb-ft)

3.	Pull up the lock of the HECU connector (A), and then disconnect the connector.

Loosen the HECU bracket nuts (A), 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)

•	Never attempt to disassemble the HECU.

•	The HECU must be transported and stored in.

•	Never shock to the HECU.

Remove the 3 bolts, and then remove the bracket from HECU.

Tightening torque:

11 ~ 14 N.m (1.1 ~ 1.4 kgf.m, 8.1 ~ 10.3 lb-ft)

Installation

1.	Installation is the reverse of removal.

2.	Tighten the HECU mounting bolts and nuts to the specified torque.

After installation, bleed the

(Refer to ABS bleeding)

In a case of replacing ESC HECU, operate following functions.

1.	"Steering Angle Sensor Calibration" for steering angle sensor offset correction. (Refer to the "Steering system")

2.	"Longituginal Sensor Calibration" for Longituginal sensor offset correction. (Refer to the "Yaw-rate and Gsensor")

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