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Home >> Infiniti >> 2021 >> QX50 Essential, 4WD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> Security Control System (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> Horn Function >> Component Function Check
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Component Function Check

  1. CHECK FUNCTION 

    SYMBOL CONSULT

    1. Select "VEHICLE SECURITY HORN" in "Active Test" mode of "BCM (THEFT ALM)".
    2. Check the horn operation:

      Test item

      Description

      VEHICLE SECURITY HORN

      ON

      Horn

      Sounds (for 0.5 sec)

    Is the operation normal?

    YES

    Inspection End.

    NO

    Refer to appropriate system Wiring Diagram .