Component Inspection

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.

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




4. Is the communication between ECM and scantool normal ?
YES
1) 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
1) Substitute with a known-good scantool and check for proper operation
If the problem is corrected, Go to "Verification of Vehicle Repair" procedure.