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Home >> Infiniti >> 2018 >> QX80 AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> Audio System & Navigation System (DTCS) >> Multi Av (Display Control Unit) >> DTC U1300: Av Comm Circuit >> Confirmation Procedure
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Confirmation Procedure

  1. CHECK DTC PRIORITY 

    If U1300 is displayed with DTC U1249, U124E, U125B or U12C0, first perform the confirmation procedure (trouble diagnosis) for DTC U1249, U124E, U125B or U12C0.

    Is applicable DTC detected?

    YES

    Perform diagnosis of applicable.

    NO

    GO TO 2.

  2. PERFORM DTC CONFIRMATION PROCEDURE 

    SYMBOL With CONSULT

    1. Turn ignition switch ON.
    2. Turn ignition switch OFF and wait at least 30 seconds.
    3. Turn ignition switch ON and wait at least 30 seconds or more.
    4. Select "Self Diagnostic Result" mode of "MULTI AV" using CONSULT.
    5. Check DTC.

    Is DTC U1300 detected?

    YES

    Refer to DTC Diagnosis Procedure .

    NO

    To check malfunction symptom before repair: Refer to Inspection .

    NO

    Confirmation after repair: INSPECTION END.