Monitor DTC Status

Connect scantool to Data Link Connector (DLC).
Ignition "ON" & engine "OFF"
Selet "Diagnostic Trouble Codes (DTCs)"mode and monitor "DTC Status" parameter.

Fig 1: Screen Display - Diagnostic Trouble Codes
Courtesy of HYUNDAI MOTOR CO.
Is the DTC 'B1604' present?
YES
- Go to "Inspection/Repair" procedure.
NO
- Fault is intermittent caused by poor contact in the sensor's and/or ECM's connector or was repaired and ECM memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
  Repair or replace as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.