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Home >> Chevrolet >> 2020 >> Malibu LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 44 (Lighting System - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> Headlamp Leveling Malfunction (Automatic Headlamp Leveling) >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2019 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition - On / Vehicle - In Service Mode
  2. Verify the scan tool parameter:Front Leveling Position Sensor Signal = 0.5 to 4.9 V
    • If not the specified state 

      Refer to Circuit/System Testing.

    • Go to next step: If the specified state 
  3. Verify the scan tool parameter:Rear Leveling Position Sensor Signal = 0.5 to 4.9 V
    • If not the specified state 

      Refer to Circuit/System Testing.

    • Go to next step: If the specified state 
  4. Scan Tool Device Control - Left and Right - Headlamp Leveling Function - Up & Down

    Verify operating the controls yields the expected results.

    • If the component does not activate 

      Refer to Circuit/System Testing.

    • Go to next step: If all the components work properly 
  5. All OK.
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