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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 527 (Door & Lock System (DTC/Circuit Diagnosis)) >> DTC/Circuit Diagnosis >> Horn Function >> Component Function Check

Component Function Check

WARNING: This page is about a different car, the 2019 Nissan NV3500 HD, 2019 Nissan NV2500 HD, and 2019 Nissan NV1500. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK FUNCTION 
    1. Select HORN in ACTIVE TEST mode with CONSULT.
    2. Check the horn (high/low) operation.

    Test item

    Description

    HORN

    ON

    Horn relay

    ON (for 20 ms)

    Is the operation normal?

    YES

    INSPECTION END.

    NO

    Go to Diagnosis Procedure .