Repair Procedures: Replacement

Prior to replacing the 4WD ECU, check the 4WD ECU's clutch learning with the GDS tool.
(Refer to "ADJUSTMENT ")
Disconnect the battery negative cable from the battery
Disconnect the 4WD ECU connector (A).

Fig 1: Identifying 4WD ECU Connector
Courtesy of HYUNDAI MOTOR AMERICA
Loosen the nuts (A) and then remove the 4WD ECU.
Tightening torque:

9.8 ~11.8 N.m (1.0~1.2 kgf.m, 7.2~8.7 lb-ft)

Fig 2: Identifying 4WD ECU Connector Nut
Courtesy of HYUNDAI MOTOR AMERICA