NISSAN Vehicle Immobilizer System

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 article in appropriate DOOR LOCKS & ANTI-THEFT SYSTEMS article in ACCESSORIES & EQUIPMENT.

If the security indicator lights up with the ignition switch in the "ON" position or "NATS MALFUNCTION" is displayed on "SELF-DIAG RESULTS" screen, perform self-diagnostic results mode with CONSULT-II using NATS program card.

Confirm no self-diagnostic results of NVIS (NATS) is displayed before touching "ERASE" in "SELF-DIAG RESULTS" mode with CONSULT-II.

When replacing ECM, initialization of NVIS (NATS) system and registration of all NVIS (NATS) ignition key IDs must be carried out with CONSULT-II using NATS program card. Therefore, be sure to receive all keys from vehicle owner. Regarding the procedures of NVIS (NATS) initialization and NVIS (NATS) ignition key ID registration, refer to CONSULT-II operation manual, IVIS/NVIS.