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Home >> Infiniti >> 2023 >> QX55 Essential >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Audio, Visual & Navigation System (DTC/Circuit Diagnosis) >> Circuit Diagnosis >> Multi Av (Av Control Unit) >> B1380 Ecu WIFI Module >> DTC Diagnosis Procedure
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DTC Diagnosis Procedure

  1. PERFORM DTC CONFIRMATION PROCEDURE 

    SYMBOL CONSULT

    1. Ignition switch ON.
    2. Ignition switch OFF and wait at least 4 minutes or more.
    3. Ignition switch ON and wait at least 1 minute or more.
    4. Select "Self Diagnostic Result" mode of "MULTI AV".
    5. Check DTC.

    Is DTC B1380-49 detected?

    YES

    Replace AV control unit. Refer to Removal and Installation .

    NO

    Inspection End.