Repair Procedures: Replacement

1. Prior to replacing the 4WD ECU, check the 4WD ECU's clutch learning with the GDS tool.

   (Refer to 4WD Control System - "ADJUSTMENT ")

2. Disconnect the battery negative cable from the battery
3. Remove the luggage side trim.

   (Refer to Body - "LUGGAGE SIDE TRIM ")

4. Disconnect the 4WD ECU connector (A).
5. Loosen the nuts and then remove the 4WD ECU (B).

Tightening torque: 

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

Fig 1: Locating 4WD ECU And Connector

Courtesy of HYUNDAI MOTOR AMERICA