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Home >> Infiniti >> 2024 >> QX55 Essential >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Audio, Visual & Navigation System (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> Multi Av (Av Control Unit) >> B1305 Control Unit Internal Fault >> DTC Diagnosis Procedure
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DTC Diagnosis Procedure

  1. PERFORM DTC CONFIRMATION PROCEDURE 
    1. SYMBOL CONSULT
      1. Ignition switch ON.
      2. Ignition switch OFF and wait at least 30 seconds.
      3. Ignition switch ON and wait at least 30 seconds or more.
      4. Select "Self Diagnostic Result" mode of "MULTI AV".
      5. Check DTC.

    Is DTC B1305-04 detected?

    YES>>

    Replace AV control unit. Refer to Removal and Installation .

    NO>>

    Inspection End.