LEMON Manuals: Even more car manuals for everyone
Home >> Cadillac >> 2018 >> XT5 Platinum >> Repair and Diagnosis >> Accessories & Equipment >> Headlights >> Lighting System - Diagnostic Information And Procedures (DTC B3950 - C0297) >> Diagnostic Information and Procedures >> Headlamp Leveling Malfunction >> 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 headlamp operates to the UP and DOWN positions when commanding the Left Headlamp Vertical Motor UP and DOWN with a scan tool.
    • If the left headlamp does not operate UP and DOWN 

      Refer to Headlamp Leveling Actuator Malfunction

    • Go to next step: If the left headlamp operates UP and DOWN 
  5. Verify the right headlamp operates to the UP and DOWN positions when commanding the Right Headlamp Vertical Motor UP and DOWN with a scan tool.
    • If the right headlamp does not operate UP and DOWN 

      Refer to Headlamp Leveling Actuator Malfunction

    • Go to next step: If the right headlamp operates UP and DOWN 
  6. All OK.
scientia non olet · About LEMON Manuals