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Home >> Chevrolet >> 2020 >> Camaro SS, 2D Coupe, Automatic Trans >> Repair and Diagnosis >> Accessories & Equipment >> Headlights >> Lighting System - Diagnostic Information And Procedures (B3950-C0297) And Symptoms >> Diagnostic Information and Procedures >> Park, License, and/or Tail Lamps Malfunction >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON.
  2. Verify the left lower park/daytime running lamp turns ON and OFF while commanding the Left Lower Park/Daytime Running Lamp ON and OFF with a scan tool.
    • Go to next step: If the left lower park/daytime running lamp turns ON and OFF 
  3. Verify the right lower park/daytime running lamp turns ON and OFF while commanding the Right Lower Park/Daytime Running Lamp ON and OFF with a scan tool.
    • Go to next step: If the right lower park/daytime running lamp turns ON and OFF 
  4. (With T4F). Verify the left upper park/daytime running lamp turns ON and OFF while commanding the Left Dedicated Daytime Running Lamp ON and OFF with a scan tool.
    • Go to next step: If the left upper park/daytime running lamp turns ON and OFF 
  5. (With T4F). Verify the right upper park/daytime running lamp turns ON and OFF while commanding the Right Dedicated Daytime Running Lamp ON and OFF with a scan tool.
    • Go to next step: If the right daytime running lamp turns ON and OFF 
  6. Verify the scan tool Park Lamps Switch parameter changes between Active and Inactive while commanding the park lamps ON and OFF with the turn signal/multifunction switch.
    • If the parameter does not change 

      Refer to Circuit/System Testing - Turn Signal/Multifunction Switch Malfunction.

    • Go to next step: If the parameter changes 
  7. Verify the left park lamps turn ON and OFF when commanding the Left Front Park Lamp ON and OFF with a scan tool.
    • If the left park lamps do not turn ON and OFF 

      Refer to Circuit/System Testing - Park Lamps Malfunction.

    • Go to next step: If the left park lamps turn ON and OFF 
  8. Verify the right park lamps turn ON and OFF when commanding the Right Front Park Lamp ON and OFF with a scan tool.
    • If the right park lamps do not turn ON and OFF 

      Refer to Circuit/System Testing - Park Lamps Malfunction.

    • Go to next step: If the right park lamps turn ON and OFF 
  9. Verify the license plate lamps turn ON and OFF when commanding the License Plate Lamps ON and OFF with a scan tool.
    • If the license plate lamps do not turn ON and OFF 

      Refer to Circuit/System Testing - License Plate Lamps Malfunction.

    • Go to next step: If the license plate lamps turn ON and OFF 
  10. All OK.
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