Component Inspection

Check communication between ECM and scan tool
1. IGN "ON" & Engine "OFF"
2. Connect scan tool to Data Link Connector (DLC).
3. Erase the DTC and Monitor Parameter of immobilizer on the Scan tool.
  Try one more time from "select car model" even if "Communication error" is present on the Scan tool.
  
  Fig 1: Display Screen Of - Key Status
  Courtesy of HYUNDAI MOTOR CO.
4. Is the communication between ECM and scan tool 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 scan tool and check for proper operation. If the problem is corrected, Go to "VERIFICATION OF VEHICLE REPAIR " procedure.