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Home >> Infiniti >> 2012 >> M37 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 106 (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 2013 Infiniti M56 and 2013 Infiniti M37. 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 ".