Repair Procedures: Removal

1. Turn ignition switch OFF and disconnect the negative (-) battery cable
2. Remove the Engine room junction box after removing the cover.
   Fig 1: Identifying Engine Room Junction Box

   Courtesy of HYUNDAI MOTOR CO.
3. Disconnect the brake tubes from the HECU by unlocking the nuts counterclockwise with a spanner.

   Tightening torque: 

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

   Fig 2: Identifying Brake Tubes And HECU

   Courtesy of HYUNDAI MOTOR CO.
4. Pull up the lock (A) of the ESC control unit connector, then disconnect the connector.
   Fig 3: Identifying ESC Control Unit Connector Lock

   Courtesy of HYUNDAI MOTOR CO.
5. Loosen the ESC HECU bracket bolts, then remove HECU and bracket.

   Tightening torque: 

   16.7 ~ 25.5 N.m (1.7 ~ 2.6 kgf.m, 112.3 ~ 18.8 lb-ft)

   Fig 4: Identifying ESC HECU Bracket Bolts

   Courtesy of HYUNDAI MOTOR CO.
6. Remove the bolts, then remove the bracket from HECU.

Tightening torque: 

7.8 ~ 9.8 N.m (0.8 ~ 1.0 kgf.m, 5.8 ~ 7.2 lb-ft)