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Home >> Chevrolet >> 2021 >> Traverse LS, FWD >> Repair and Diagnosis >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Driver Assistance Systems >> Diagnostic Information and Procedures >> Lane Keep Assist System Malfunction (UGN) >> Circuit/System Verification
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Circuit/System Verification

  1. Ignition - On / Vehicle - In Service Mode
  2. Verify the scan tool parameter: Lane Keep Assist Switch Status = Inactive
    • If not the specified state 

      Refer to: Circuit/System Testing - Test 1

    • Go to next step: If the specified state 
  3. Operate the component: Lane Keep Assist Switch - Press and hold the switch

    Verify the scan tool parameter: Lane Keep Assist Switch Status = Active

    • If not the specified state 

      Refer to: Circuit/System Testing - Test 1

    • Go to next step: If the specified state 
  4. Cycle the component from the open position to the closed position: Lane Keep Assist Switch

    Verify the component turns On and Off: Lane Keep Assist Switch Indicator

    • If the component does not turn On and Off 

      Refer to: Circuit/System Testing - Test 2

    • Go to next step: If the component turns On and Off 
  5. All OK.
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