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 Scantool.
  Specification : 'LEARNT'
  
  Fig 1: Scantool Display - KEY STATUS And ECU 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 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 transponder and check for proper operation.
    If the problem is corrected, replace transponder and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.