Component Inspection

Check transponder and ECU status.
1. IGN "ON" & Engine "OFF"
2. Monitor the "KEY STATUS" and "ECU STATUS' Parameter on the Scantool.
  Specification : 'LEARNT'
  
  Fig 1: Scantool Display - KEY STATUS And ECU STATUS
  Courtesy of HYUNDAI MOTOR CO.
3. Are "KEY STATUS" and "ECU STATUS" Parameter 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 " 1Check transponder" procedure.
Check ECM
1. IGN "ON" & Engine "OFF"
2. Neutralize ECM and Register transponder key by scantool.
  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 ECM and check for proper operation.
    If the problem is corrected, replace ECM and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
    
    NOTE: ECM substituted for old one must be in "Virgin" or "Neutral" status and Pin code is required to Neutralize ECM and to Register transponder key