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SEF543X IVIS (Infiniti Vehicle Immobilizer System — NATS) I If the security indicator lights up with the ignition switch I Confirm no self-diagnostic results of NATS is displayed I When replacing ECM, initialization of NATS system and OBD System Operation Chart RELATIONSHIP BETWEEN MIL, 1ST TRIP DTC, DTC, AND DETECTABLE ITEMS I When a malfunction is detected for the first time, the 1st trip DTC and the 1st trip freeze frame data are I When the same malfunction is detected in two consecutive trips, the DTC and the freeze frame data are I The MIL will go off after the vehicle is driven 3 times with no malfunction. The drive is counted only when I The DTC and the freeze frame data will be stored until the vehicle is driven 40 times (driving pattern A) I The 1st trip DTC is not displayed when the self-diagnosis results in “OK” for the 2nd trip. SUMMARY CHART Items Fuel Injection System Misfire Other MIL (goes off) 3 (pattern B) 3 (pattern B) 3 (pattern B) DTC, Freeze Frame Data (no 80 (pattern C) 80 (pattern C) 40 (pattern A) 1st Trip DTC (clear) 1 (pattern C), *1 1 (pattern C), *1 1 (pattern B) 1st Trip Freeze Frame Data *1, *2 *1, *2 1 (pattern B) For details about patterns “B” and “C” under “Fuel Injection System” and “Misfire”, see EC-71. GI MA EM LC FE AT PD FA RA BR ST RS BT HA EL IDX ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION Malfunction Indicator Lamp (MIL) (Cont’d) EC-69 |