Component Inspection

Component Inspection

1. 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.

CAUTION:
** Try one more time from "select car model" even if "Communication error" is present on the scantool.




Fig 1) he current data of immobilizer

(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.