LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2017 >> Spark LT, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 96 (Horn System) >> Diagnostic Information and Procedures >> Horns Malfunction >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2019 Buick Cascada, 2018 Buick Cascada, and 2017 Buick Cascada. However, it is still accessible from the selected car via links, so may be relevant.
  1. Verify the scan tool parameter: Horn Switch=Inactive
    • If not the specified state 

      Refer to: Circuit/System Testing - Test 1

    • Go to next step: 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

    • Go to next step: If the specified state 
  3. Perform the scan tool control function: Horn Relay Command - On and Off

    Verify the component turns On and Off: P12 Horn & 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
    • Go to next step: If the component turns On and Off & If no abnormal noise is present 
  4. All OK.
scientia non olet · About LEMON Manuals