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ON BOARD DIAGNOSTIC (OBD) SYSTEM EC-65 C D E F G H I J K L M A EC ● If the battery is disconnected, the emission-related diagnostic information will be lost within 24 ● The following data are cleared when the ECM memory is erased. – Diagnostic trouble codes – 1st trip diagnostic trouble codes – Freeze frame data – 1st trip freeze frame data – System readiness test (SRT) codes – Test values – Others Actual work procedures are explained using a DTC as an example. Be careful so that not only the DTC, but all IVIS (Infiniti Vehicle Immobilizer System — NATS) EBS00LVR ● If the security indicator lights up with the ignition switch in BL-198, "IVIS (INFINITI VEHICLE IMMOBILIZER . ● Confirm no self-diagnostic results of IVIS (NATS) is dis- ● When replacing ECM, initialization of IVIS (NATS) system Malfunction Indicator Lamp (MIL) EBS00LVS DESCRIPTION The MIL is located on the instrument panel. 1. The MIL will light up when the ignition switch is turned ON with- or see . 2. When the engine is started, the MIL should go off. SEF543X SEF217U |