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Home >> Infiniti >> 2011 >> M56 x >> Repair and Diagnosis >> External Pages >> Different car >> Section 26 (Security Control System) >> DTC/Circuit Diagnosis >> Horn Function >> Component Function Check
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Component Function Check

WARNING: This page is about a different car, the 2011 Infiniti QX56. 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-III.
    3. Check the horn operation.
      TEST ITEM DESCRIPTION

      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-III.
    4. Check the horn operation.
      TEST ITEM DESCRIPTION

      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 ".

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