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Home >> Infiniti >> 2017 >> Q50 Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 571 (Security Control System (Diagnostics)) >> Component Parts/Circuit Diagnosis >> Horn Function >> Component Function Check
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Component Function Check

WARNING: This page is about a different car, the 2020 Infiniti Q50. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK FUNCTION 1 
    1. Disconnect horn relay 2.
    2. Perform "VEHICLE SECURITY HORN" in "ACTIVE TEST" mode of "THEFT ALM" of "BCM" using CONSULT.
    3. Check the horn operation.

      Test item

      Description

      VEHICLE SECURITY HORN

      ON

      Horn high

      Sounds (for 0.5 sec.)

    Is the operation normal?

    YES

    GO TO 2.

    NO

    Refer to Diagnosis Procedure .

  2. CHECK FUNCTION 2 
    1. Reconnect horn relay 2.
    2. Disconnect horn relay 1.
    3. Perform "VEHICLE SECURITY HORN" in "ACTIVE TEST" mode of "THEFT ALM" of "BCM" using CONSULT.
    4. Check the horn operation.

      Test item

      Description

      VEHICLE SECURITY HORN

      ON

      Horn low

      Sounds (for 0.5 sec.)

    Is the operation normal?

    YES

    INSPECTION END

    NO

    Refer to Diagnosis Procedure .