INFINITI Vehicle Immobilizer System/NISSAN Anti-Theft System
WARNING: This page is about a different car, the 2003 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.
Infiniti Vehicle Immobilizer System (IVIS)/Nissan Anti-Theft System (NATS) must be initialized after ECM has been replaced. See appropriate IMMOBILIZER SYSTEMS article in ACCESSORIES & EQUIPMENT.