Monitor DTC Status

Connect scan tool to Data Link Connector (DLC).
Warm up the engine to normal operating temperature.
Monitor DTC (Diagnostics Trouble Code) on the scan tool.

Fig 1: Identifying Monitor Diagnostics Trouble Code On Scan tool
Courtesy of HYUNDAI MOTOR CO.
Is the same DTC displayed again?
YES:
- Go to Inspection/Repair procedure.
NO:
- Fault is intermittent caused by poor contact in the sensor's and/or "4WD-ECM"s connector or was repaired and "4WD-ECM" memory was not cleared.
Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.

Repair or replace as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.