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Home >> Chevrolet >> 2018 >> Equinox L >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Headlights >> Lighting System - Diagnostic Information And Procedures >> Diagnostic Information And Procedures >> Headlamp Leveling Malfunction (Automatic Headlamp Leveling) >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON.
  2. Verify the scan tool Front Leveling Position Sensor Signal parameter is between 5% and 90%.
    • If the parameter is not between 5% and 90% 

      Refer to Headlamp Leveling Sensor Malfunction.

    • Go to next step: If the parameter is between 5% and 90% 
  3. Verify the scan tool Rear Leveling Position Sensor Signal parameter is between 5% and 90%.
    • If the parameter is not between 5% and 90% 

      Refer to Headlamp Leveling Sensor Malfunction.

    • Go to next step: If the parameter is between 5% and 90% 
  4. Verify the left and right headlamps operate to the UP and DOWN positions when commanding the Right and Left Headlamp Vertical Motor controls UP and DOWN with a scan tool.
    • If the left and right headlamps do not operate UP and DOWN 

      Refer to Headlamp Leveling Actuator Malfunction

    • Go to next step: If the left and right headlamps operate UP and DOWN 
  5. All OK.
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