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Home >> Infiniti >> 2014 >> QX60 Base, FWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> Audio, Visual & Navigation System (BOSE Audio W/NAVI W/Surround) (Except Hybrid) >> DTC/Circuit Diagnosis >> DTC U1263: USB >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK USB INTERFACE HARNESS 

    Visually inspect USB interface harness.

    Is the inspection result normal? 

    YES: GO TO 2.

    NO: Replace USB interface harness. Refer to "REMOVAL AND INSTALLATION ".

  2. CHECK USB INTERFACE HARNESS CONTINUITY 

    Check USB interface harness continuity. Refer to "DIAGNOSIS PROCEDURE ".

    Is the inspection result normal? 

    YES: Replace AV control unit. Refer to "REMOVAL AND INSTALLATION - AV CONTROL UNIT ".

    NO: Replace USB interface harness. Refer to "REMOVAL AND INSTALLATION ".

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