FixVault
Home › Cadillac › 2017 › CT6 Plug-In › Repair and Diagnosis › Electrical › Horns › Horn System › Diagnostic Information and Procedures › Horns Malfunction › Circuit/System Verification

Circuit/System Verification

  1. Verify the scan tool parameter: Horn Switch=Inactive
    • If not the specified state 

      Refer to Circuit/System Testing - Test 1

    • If the specified state 
  2. Operate the component: S33 Horn Switch» Pressed

    Verify the scan tool parameter: Horn Switch=Active

    • If not the specified state 

      Refer to Circuit/System Testing - Test 1

    • If the specified state 
  3. Perform the scan tool control function: Horn Relay Command» On and Off

    Verify the component turns On and Off: P13 Horn Assembly & The horn should emit a clear and even tone.

    • If the component does not turn On and Off 

      Refer to Circuit/System Testing - Test 2

    • If an abnormal noise is present 
    • Refer to Circuit/System Testing - Test 3
    • If the component turns On and Off & If no abnormal noise is present 
  4. All OK.
About FixVault