Hyundai Sonata: ESC Control Module. Repair procedures - ESC(Electronic Stability Control) System - Brake SystemHyundai Sonata: ESC Control Module. Repair procedures

Removal

1.
Turn the ignition switch OFF.
2.
Remove the air cleaner assembly (A).
3.
Pull up the lock of the HECU connector , then disconnect the connector.
4.
Disconnect the brake tubes from the HECU by unlocking the nuts counterclockwise with a spanner.
Tightening torque :
13.7 ~ 16.7N.m (1.4 ~ 1.7kgf.m, 10.1 ~ 12.3lb-ft)
5.
Loosen the HECU bracket bolts (A), then remove HECU and bracket.
Tightening torque :
19.6 ~ 29.4N.m(2.0 ~ 3.0kgf.m, 14.5 ~ 21.7lb-ft)

1.
Never attempt to disassemble the HECU.
2.
Never shock the HECU.
6.
Remove the 2 nuts (B), then remove the bracket from HECU.
Tightening torque :
5.9 ~ 9.8N.m(0.6 ~ 1.0kgf.m, 4.3 ~ 7.2lb-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)

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