Component Inspection

Check transponder and ECU status
1. IGN "ON" & Engine "OFF" with key intended to register.
2. Monitor the "KEY STATUS" and "ECU STATUS' Parameter on the Scan tool.
  Specification : 'LEARNT'
  
  Fig 1: Display Screen Of - Key Status
  Courtesy of HYUNDAI MOTOR CO.
3. Is the measured voltage within specifications?
  YES
  
  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.
  
  NO
  
  Go to " 2Check transponder" procedure.
Check transponder
1. IGN "ON" & Engine "OFF".
2. Neutralize ECM and Register transponder key by scan tool.
  NOTE: Pin code is required to Neutralize ECM and to Register transponder key.
3. Are Neutralizing and Registering completed normally?
  YES
  
  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.
  
  NO
  
  Substitute with a known-good transponder and check for proper operation.
  
  If the problem is corrected, replace transponder and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.