Monitor GDS Data
- Connect GDS.
- IG Key "ON"
- Clear DTCs.
- Perform "T/C Clutch Calibration " in "Vehicle S/W Management"
menu of the GDS.
- IG Key "OFF".
- Start the engine.
- Drive the vehicle for over 15 minutes.
- Connect GDS.
- Check if the DTC is presented.
- If their is a DTC (DTCs), mechanical defect should be checked.
- IG Key "OFF".
- Remove the 4WD ECU.
- Rotate the shaft of the 4WD ECU to the left and right by hand.
- Replace the 4WD ECU if the shaft is fixed in above test.
- Rotate the shaft combined with the 4WD ECU in transfer case to the counter-clockwise 2 times (Fig 1)
- Replace the transformer case if the shaft is fixed in above test.
Courtesy of HYUNDAI MOTOR AMERICA