FixVault

Disposition When Replacing

WARNING: This page is about a different car, the 2004 Mitsubishi Eclipse. However, it is still accessible from the selected car via links, so may be relevant.

IMMOBILIZER SYSTEM RELATED PARTS 

The replacing immobilizer system related parts is as follows. When the ignition key is re-registered with the MUT-III, the originally registered ignition key registration information will be lost.

IMMOBILIZER SYSTEM RELATED PARTS REPLACEMENT

ITEMS ECM < M/T > OR PCM < A/T > IMMOBILIZER-ECU IGNITION KEY
When replacing ECM < M/T > or PCM < A/T > - Replacement not required Replacement not required. Re-registration are required.
When rewriting ECM < M/T > or PCM < A/T > - Replacement not required Replacement not required. Re-registration not required.
When replacing immobilizer-ECU Replacement not required - Replacement not required. Re-registration are required.
When adding ignition keys newly (if no registered ignition keys are lost) Replacement not required Replacement not required Register only additional ignition keys to be registered.
When adding ignition key newly (if a registered ignition key is lost) Replacement not required Replacement not required Register ignition key to be added and re-register all other ignition keys.
When ignition key is lost Replacement not required Replacement not required Re-register all other ignition keys except the lost one.