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NISSAN Vehicle Immobilizer System

WARNING: This page is about a different car, the 2002 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.

Nissan Vehicle Immobilizer System (NVIS) must be initialized after Engine Control Module (ECM) has been replaced. Perform initialization of NVIS (NATS) system and registration of all NVIS (NATS) ignition key IDs. See IMMOBILIZER SYSTEMS under DOORS, LOCKS & ANTI-THEFT in ACCESSORIES & BODY, CAB article.