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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 66 (Multi Av System (NAVI Without BOSE)) >> Multi Av (NAVI Without BOSE) >> DTC/Circuit Diagnosis >> U1263 USB >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2018 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK USB INTERFACE HARNESSES 

    Visually inspect USB interface harnesses. Refer to Removal and Installation .

    Is the inspection result normal?

    YES

    GO TO 2.

    NO

    Replace USB interface. Refer to Removal and Installation .

  2. CHECK USB INTERFACE HARNESS CIRCUITS 

    Check USB interface harness circuits. Refer to Diagnosis Procedure .

    Is the inspection result normal?

    YES

    Replace AV control unit. Refer to Removal and Installation .

    NO

    Replace USB interface. Refer to Removal and Installation .

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