LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2024 >> QX55 Essential >> Repair and Diagnosis (Single Page) >> Body & Frame >> Door Locks >> Security Control System (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> Horn Function >> Component Function Check
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Component Function Check

  1. CHECK FUNCTION 
    1. 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 Wiring Diagram.