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SEC-126 < FUNCTION DIAGNOSIS > [WITHOUT INTELLIGENT KEY SYSTEM] NVIS (NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS) • Possible symptom of NATS malfunction is “Engine cannot start”. Identify the possible causes according to “Work Flow”, Refer to • If ECM other than Genuine NISSAN is installed, the engine cannot be started. For ECM replacement proce- dure, refer to SEC-124, "ECM RE-COMMUNICATING FUNCTION : Description" . PRECAUTIONS FOR KEY REGISTRATION • The key registration is a procedure that erases the current NATS ID once, and then re-registers a new ID. Therefore the registered key is necessary for this procedure. Before starting the registration operation collect • The NATS ID registration is the procedure that registers the ID stored into the transponder (integrated in mechanical key) to BCM. • When performing the key system registration only, the engine cannot be started by inserting the key into the key cylinder. When performing the NATS registration only, the engine cannot be started by using the ignition SECURITY INDICATOR • Always flashes with ignition key in the OFF position. MAINTENANCE INFORMATION CAUTION: It is necessary to perform NATS ID registration when replacing any of the following part. • BCM Component Parts Location INFOID:0000000003938509 ALKIA1271ZZ 2009 Pathfinder |