April 5, 2026: LEMON Manuals is launched! Read the announcement.

Monitor Scantool Data

Check transponder and ECU status
1. IG "ON" & Engine "OFF"
2. Monitor the "ECU, KEY and Smartra STATUS" Parameter on the Scantool.
  Specification: 'LEARNT'
  
  Fig 1: Scan Tool Display - "ECM Status" Parameter
  Courtesy of HYUNDAI MOTOR CO.
3. Have both the ECM and KEY status been learnt?
  YES
  - Substitute with known good "virgin" transponder and go to "COMPONENT INSPECTION " Procedure.
  NO
  - Go to "COMPONENT INSPECTION " Procedure.