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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 679 (Security Control System (DTC/Circuit Diagnosis)) >> DTC/Circuit Diagnosis >> Horn Function >> Component Inspection

Component Inspection

WARNING: This page is about a different car, the 2020 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK ANTI-THEFT HORN RELAY 
    1. Turn ignition switch OFF.
    2. Disconnect anti-theft horn relay.
    3. Check voltage between anti theft horn relay terminal and ground under the following conditions.

    (+)

    (-)

    Condition

    Voltage (V)

    (Approx.)

    anti-theft horn relay

    Terminal

    3

    Ground

    12 V direct current supply between terminals 1 and 2

    12

    No current supply

    0

    Is the inspection result normal?

    YES

    Inspection End.

    NO

    Replace anti-theft horn relay.