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Home >> Buick >> 2019 >> Envision Base >> Repair and Diagnosis >> Steering >> Steering Control Systems >> Steering Wheel And Column >> Diagnostic Information and Procedures >> Heated Steering Wheel Indicator Malfunction >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON.
  2. Verify the S70L Steering Wheel Controls Switch - Left is OFF. The steering wheel heater indicator should not be illuminated and the left and right sides of the steering wheel should not be warm.
    • The steering wheel is always warm 

      Refer to Heated Steering Wheel Malfunction 

    • The steering wheel does not become warm and the heater indicator is illuminated 

      Refer to Circuit/System Testing

    • Go to next step: The steering wheel does not become warm and the heater indicator is not illuminated 
  3. Press and release the S70L Steering Wheel Controls Switch - Left. The steering wheel heater indicator should illuminate and the left and right sides of the steering wheel should become warm.
    • The steering wheel does not become warm 

      Refer to Heated Steering Wheel Malfunction 

    • The steering wheel becomes warm and the heater indicator does not illuminate 

      Refer to Circuit/System Testing

    • Go to next step: The steering wheel becomes warm and the heater indicator illuminates 
  4. All OK.
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