IMMOBILIZER (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)

DTC DETECTING CONDITION:

• ECM malfunctioning

• Inaccessible ROM in ECM during key registration

STEP	CHECK	YES	NO
1.PERFORM REGISTRATION ON IGNITION KEY. Perform registration on all keys of the vehicle. Refer to the “REGISTRATION MANUAL FOR IMMOBILIZER”.	Is registration for all keys complete?	Verify that the engine starts with all registered keys and finish the diagnosis.
2.PERFORM REGISTRATION ON IGNITION KEY. Perform registration on all keys of the vehicle. Refer to the “REGISTRATION MANUAL FOR IMMOBILIZER”.	Is registration for all keys complete?	Verify that the engine starts with all registered keys and finish the diagnosis.
3.PERFORM REGISTRATION ON IGNITION KEY. Perform registration on all keys of the vehicle. Refer to the “REGISTRATION MANUAL FOR IMMOBILIZER”.	Is registration for all keys complete?	Verify that the engine starts with all registered keys and finish the diagnosis.	Replace the ECM.