4.
Retry to communication from the vehicle selection menu although once communication is failed.
Ignition "ON" & Engine "OFF"
Connect Scan tool and clear the DTCs
Monitor Current Data for Immobilizer System
Retry to communication from the vehicle selection menu although once communication is failed.
Is the communication possible between scan tool and Immobilizer system ?
YES
In case that ECM status is locked, wait for one hour with IG Key On. Be sure that the battery is fully enough to stay for an hour with IG ON.
Repair or replace as necessary and then go to "Verification of Vehicle Repair" procedure.
NO
Check DLC cable conection between Scanner and DLC. And, update the program card with the latest version. Finally try communication between scan tool and Immobilizer system.
Substitute with a known-good scan tool and check for proper operation. If the problem is corrected, go to " Verification of Vehicle Repair" procedure
