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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 124 (Audio, Visual & Navigation System) >> Navigation Without Amplifier >> DTC/Circuit Diagnosis >> U1263 USB >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2018 Nissan Titan XD and 2018 Nissan Titan. 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. Refer to Removal and Installation .

    Is the inspection result normal?

    YES

    GO TO 2.

    NO

    Replace USB interface harness. Refer to Removal and Installation .

  2. CHECK USB INTERFACE HARNESS 

    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 harness. Refer to Removal and Installation .