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Home › Chevrolet › 2020 › Trax LS, AWD › Repair and Diagnosis › Accessories & Equipment › Drivers Assistance Systems - ADAS › Driver Assistance Systems › Diagnostic Information and Procedures › Forward Collision Alert System Malfunction › Circuit/System Verification

Circuit/System Verification

  1. Ignition - On/Vehicle - In Service Mode
  2. Verify there are no DTCs set related to the following component/system:
    • Forward Collision Alert
    • Lane Departure Warning
    • Go to next step: If no DTC is set
  3. Verify the following component is properly installed: B174W Frontview Camera - Windshield
    • If the component is not properly installed 

      Repair as necessary

    • Go to next step: If the component is properly installed 
  4. Verify the condition does not exist: B174W Frontview Camera - Windshield - Dirty or Blocked by debris
    • If the condition exists 

      Clean the components as necessary.

    • Go to next step: If no condition exists 
  5. Press and release the switch: Forward Collision Alert Switch

    Verify the A5 Driver Information Center = Far/Medium/Near/OFF - The value should change when selecting the different switch positions.

    • If not the specified values 

      Refer to: Circuit/System Testing - Test 1

    • Go to next step: If the specified values 
  6. Perform the appropriate scan tool control function: All Indicators

    Verify the component activates: Collision Alert - Indicators

    • If the component does not work as specified 

      Refer to: Circuit/System Testing - Test 2

    • Go to next step: If the component works as specified 
  7. All OK.
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