Hyundai Tucson: ESC(Electronic stability system) System / ESC Control Unit Repair procedures

Hyundai Tucson (LM) 2010-2015 Service Manual / Brake System / ESC(Electronic stability system) System / ESC Control Unit Repair procedures

Removal

1.	Turn the ignition switch OFF.

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

Tightening torque :

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

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

[LHD]

[RHD]

3.	Pull up the lock of the HECU connector , then disconnect the connector.

Loosen the HECU bracket bolts (A) and nut (B), then remove HECU and bracket.

Tightening torque :

16.7 ~ 25.5N.m(1.7 ~ 2.6kgf.m, 12.3 ~ 18.8lb-ft)

[LHD]

[RHD]

1.	Never attempt to disassemble the HECU.

2.	The HECU must be transported and stored in.

3.	Never shock to the HECU.

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

Tightening torque :

10.8 ~ 13.7N.m(1.1 ~ 1.4kgf.m, 8.0 ~ 10.1lb-ft)

Installation

1.	Installation is the reverse of removal.

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

3.	After installation, bleed the brake system. (Refer to ABS bleeding)

Variant coding.

2WD and 4WD vehicle are sharing the HECU each other. To apply appropriate vehicle, HECU needs to variant coding process.

Variant coding process is necessary when :

A.	HECU is replaced.

B.	C1702 DTC(variant coding error) code is detected.

Perform the Variant coding.

5.	Perform the Longitudinal Sensor Calibration. (Refer to ESC (Electronic stability system) - "Longitudinal G Sensor")

[Auto Detected Sensor Calibration]

[Hill Start Assist Control Setting]

[Longitudinal G Sensor Calibration]

ESC Control Unit Components and Components Location

Components (1) 1. Front - left tube2. Rear - right tube3. Rear - left tube4. Front - right tube5. MC26. MC17. ESC control module connector8. ESC control module(HECU)9. Damper10. Bracket Componen ...

Yaw-rate and G Sensor Description and Operation

Description When the vehicle is turning with respect to a vertical axis the yaw rate sensor detects the yaw rate electroniclly by the vibration change of plate fork inside the yaw rate sensor. ...

Other information:

Hyundai Tucson (LM) 2010-2015 Service Manual: BJ Boot Repair procedures
Removal 1. Remove the front driveshaft. (Refer to Driveshaft Assembly - “Front Driveshaft”) 2. Remove the TJ joint assembly. (Refer to Driveshaft Assembly - “TJ Joint”) 3. Remove the Dynamic damper. (Refer to Driveshaft Assembly - “Dynamic Damper”) 4. Using a plier ...

Hyundai Tucson (LM) 2010-2015 Service Manual: Description and Operation
Description The SMART KEY system is a system that allows the user to access and operate a vehicle in a very convenient way. To access the vehicle, no traditional key or remote control unit is needed. The user carries a SMART KEY FOB which does not require any conscious actions by the user ...