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Home >> Infiniti >> 2017 >> Q50 Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 18 (Security Control System (DTC/Circuit Diagnosis) (Except Hybrid)) >> DTC/Circuit Diagnosis >> Horn Function >> Component Function Check

Component Function Check

WARNING: This page is about a different car, the 2016 Infiniti Q50. 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 (LOW and HIGH) Sounds (for 0.5 sec.)

    Is the operation normal?

    YES 

    GO TO STEP 2  .

    NO 

    Refer 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 

    Refer to DIAGNOSIS PROCEDURE .

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