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Home >> Buick >> 2019 >> Regal Base >> Repair and Diagnosis (Single Page) >> Steering >> Steering Control Systems >> Steering Wheel And Column >> Diagnostic Information and Procedures >> Heated Steering Wheel Malfunction >> Circuit/System Verification

Circuit/System Verification

Infrared Temperature Gun

  1. Ignition - On / Vehicle - In Service Mode
  2. Verify the component is not activated: Heated Steering Wheel Indicator
    • Go to next step: If the component does not activate 
  3. Verify the condition does not exist: Heated Steering Wheel = Greater than 25°C (77°F)
    • If 25°C (77°F) or warmer 

      Allow the component to cool if warmer than 25°C (77°F).

    • Go to next step: If colder than 25°C (77°F) 
  4. Operate the component: Heated Steering Wheel Switch - On and Off
  5. Verify the component turns On and Off: Heated Steering Wheel Indicator
    • Go to next step: If the component turns On and Off 
  6. Heated Steering Wheel Switch - On
  7. Wait for greater than 20 min.
  8. Verify the condition does not exist: Heated Steering Wheel = Colder than 28°C (82.4°F)
    • If colder than 28°C (82.4°F) 

      Refer to: Circuit/System Testing

    • Go to next step: If 28°C (82.4°F) or warmer 
  9. All OK.