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Home >> Buick >> 2021 >> Envision Preferred, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Displays And Gauges >> Diagnostic Information and Procedures >> Chime Malfunction >> Circuit/System Verification

Circuit/System Verification

  1. Ignition - On / Vehicle - In Service Mode
  2. Verify the component activates: Radio Speaker The balance and fade controls can be used to help isolate an inoperative speaker or poor sound condition.
    • Go to next step: If all components operate 
  3. Headlamp Switch - Off
  4. Verify the scan tool parameter: Headlamp Switch Signal = OFF (or Inactive)
    • Go to next step: If the specified state 
  5. Turn Signal Switch - Off
  6. Verify the scan tool parameter: Left Turn Signal Switch & Right Turn Signal Switch = Inactive
    • Go to next step: If the specified state 
  7. All OK.