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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 >> Park, License, and/or Tail Lamps Malfunction >> 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. Park Lamps - On and Off

    Verify the scan tool parameter:Park Lamp Switch Signal = Active/Inactive

    • If the parameter state does not change 

      Refer to:Headlamp Switch Malfunction

    • Go to next step: If the parameter state changes 
  3. Scan Tool Device Control - Park Lamps - On and Off

    Verify the component activates:Park Lamps = On and Off

    • If the component does not activate 

      Refer to:Park Lamps - Malfunction

    • Go to next step: If the component activates 
  4. Scan Tool Device Control - License Plate Lamps = On and Off

    Verify the component activates:License Plate Lamps = On and Off

    • If the component does not activate 

      Refer to:License Plate Lamps - Malfunction

    • Go to next step: If the component activates 
  5. All OK.
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