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Home >> Infiniti >> 2014 >> QX60 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 124 (Audio, Visual & Navigation System (DTC/Circuit Diagnosis) (BOSE Audio W/NAVI W/O Surround) (Except Hybrid) (1 Of 2)) >> DTC/Circuit Diagnosis >> DTC U1263: USB >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2016 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

  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 .

    NO 

    Replace USB interface harness. Refer to REMOVAL AND INSTALLATION .

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