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SEC-8 < FUNCTION DIAGNOSIS > NVIS (NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS) FUNCTION DIAGNOSIS NVIS (NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS) System Diagram INFOID:0000000005272577 System Description INFOID:0000000005272578 INPUT/OUTPUT SIGNAL CHART BCM SYSTEM DESCRIPTION NATS (Nissan Anti-Theft System) has the following immobilizer functions: owner. • Only a key with key ID registered in BCM and ECM can start engine, and shows high anti-theft performance to prevent key from being copied or stolen. • Security indicator always flashes with mechanical key removed condition (key switch: OFF) and ignition knob released condition on LOCK position (ignition knob switch: OFF). • Therefore, NATS warns outsiders that the vehicle is equipped with the anti-theft system. Refer to . • If system detects malfunction, security indicator illuminates when ignition switch is turned to ON position. tration *1 is required. *1 : All keys kept by the owner of the vehicle should be registered with mechanical key. - ECM carried out using CONSULT-III. PIIA1121E Switch/Input signal Input signal to BCM BCM function Actuator/Output signal NATS antenna amp. Key ID NATS • Security indicator lamp ECM Engine status signal |