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Home >> Infiniti >> 2009 >> QX56 AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Introduction >> Function Diagnosis >> On Board Diagnostic (OBD) System >> Malfunction Indicator Lamp (MIL) >> Description

Malfunction Indicator Lamp (MIL): Description

The MIL is located on the instrument panel.

  1. The MIL will light up when the ignition switch is turned ON without the engine running. This is a bulb check.

    If the MIL does not light up, refer to SHIFT POSITION INDICATOR: COMPONENT PARTS LOCATION or see ON BOARD DIAGNOSTIC (OBD) SYSTEM .

  2. When the engine is started, the MIL should go off.

    If the MIL remains on, the on board diagnostic system has detected an engine system malfunction.

    Fig 1: Identifying MIL Light
    G06315418Courtesy of NISSAN MOTOR CO., U.S.A.