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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 Function Check
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Component Function Check

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 FUNCTION 1 
    1. Disconnect vehicle security horn relay.
    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

      Sounds (for 0.5 sec)

    Is the operation normal?

    YES

    GO TO 2.

    NO

    Go to Diagnosis Procedure .

  2. CHECK FUNCTION 2 
    1. Reconnect vehicle security horn relay.
    2. Disconnect horn relay.
    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

      Vehicle security horn

      Sounds (for 0.5 sec)

    Is the operation normal?

    YES

    INSPECTION END

    NO

    Go to Diagnosis Procedure .