Repair Procedures: Removal

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

Fig 1: Identifying 4WD ECU Connector
Courtesy of KIA MOTORS AMERICA, INC.
Loosen the nuts (A) and then remove the 4WD ECU.
Tightening torque: 56.9 ~ 64.7 N.m (5.8 ~ 6.6 kgf.m, 42 ~ 47.7 lb-ft)

Fig 2: Identifying 4WD ECU Nuts
Courtesy of KIA MOTORS AMERICA, INC.