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Home >> Infiniti >> 2018 >> QX80 AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 16 (Security Control System (DTC/Circuit Diagnosis)) >> DTC/Circuit Diagnosis >> Horn Function >> Component Inspection

Component Inspection

WARNING: This page is about a different car, the 2019 Nissan Armada and 2018 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK VEHICLE SECURITY HORN RELAY 
    1. Turn ignition switch OFF.
    2. Disconnect vehicle security horn relay.
    3. Check voltage between vehicle security horn relay terminal and ground under the following conditions.

    (+)

    (-)

    Condition

    Voltage (V)

    (Approx.)

    Vehicle security horn relay

    Terminal

    2

    Ground

    12 V direct current supply between terminals 1 and 3

    12

    No current supply

    0

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    Replace vehicle security horn relay.