Component Inspection

Check internal errors of CAN communication units.
1. Connect GDS.
2. IG "ON" and engine "OFF".
3. Select "DTC Analysis" mode.
4. Disconnect CAN communication units one by one and monitor DTC to find the cause.
  
  Fig 1: Checking Internal Errors Of CAN Communication Units
  Courtesy of HYUNDAI MOTOR AMERICA
  
  Fig 2: ECM And TCM Connector Terminal Layout
  Courtesy of HYUNDAI MOTOR AMERICA
  
  *CAN communication units: IPM (Inter Panel Module), CLU (Cluster), SMK (Smart Key), HU (Head Unit).
5. Is the code erased?
  YES
  
  Substitute with a known - good unit and check for proper operation. If the problem is corrected, replace the unit and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
  
  NO
  
  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.