System Description

The NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS [NVIS(NATS)] has the following immobilizer functions:

• NVIS(NATS) shows high anti-theft performance to prevent engine from starting by anyone other than the owner who has the registered ignition key.
• The ignition key has NVIS(NATS) ID and only ignition key which has the same ID as the ID registered in BCM and ECM can start engine. This makes high anti-theft performance to prevent the vehicle from being stolen using a copied ignition key.
• Security indicator lamp always blinks when ignition switch is in any position other than ON. Therefore, NVIS(NATS) warns outsiders that the vehicle is equipped with the anti-theft system.
• If the system detects a malfunction, security indicator lamp illuminates when ignition switch is turned ON.
• If the owner requires, ignition key ID can be registered for up to 5 keys.
• During trouble diagnosis, when additional ignition key is needed, or when the following components are replaced, the ID registration is required. For the registration procedure, refer to CONSULT-III Operation Manual NATS-IVIS/NVIS.
  • BCM
  • Ignition key
• Possible symptom of NVIS(NATS) malfunction is "Engine cannot start". The engine also can not be started because of other than the NVIS(NATS) malfunction, so start the trouble diagnosis according to , "WORK FLOW ".
• If ECM other than Genuine NISSAN parts is installed, the engine cannot be started. For ECM replacement procedure, refer to "REMOVAL AND INSTALLATION ".