Component Inspection

Check communication between ECM and scantool.
1. IGN "ON" & Engine "OFF"
2. Connect scantool to Data Link Connector (DLC).
3. Erase the DTC and Monitor Parameter of immobilizer on the Scantool.
  * Try one more time from "select car model" even if "Communication error" is present on the scantool
  
  Fig 1: Scan Tool Display - Key Status (Learnt)
  Courtesy of HYUNDAI MOTOR CO.
4. Is the communication between ECM and scantool normal?
  YES
  - If ECM is in "Locked by Timer" status. Keep "KEY ON" status for 1 hours to withdraw "Locked by Timer" status. Then repair or replace as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
  NO
  - Substitute with a known-good scantool and check for proper operation.
    If the problem is corrected, Go to "VERIFICATION OF VEHICLE REPAIR " procedure.