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Home >> Chevrolet >> 2018 >> Traverse LS, 4WD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Headlights >> Lighting System - Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> Rear Fog Lamps Malfunction >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON, headlamps ON.
  2. Verify the scan tool Rear Fog Lamps Switch parameter changes between Active and Inactive while commanding the rear fog lamp ON and OFF with the rear fog lamp switch.
    • If the parameter does not change 

      Refer to Rear Fog Lamp Switch Malfunction.

    • Go to next step: If the parameter changes 
  3. Verify the rear fog lamp turns ON and OFF when commanding the Rear Fog Lamps ON and OFF with a scan tool.
    • If the rear fog lamp does not turn ON and OFF 

      Refer to Rear Fog Lamp Malfunction.

    • Go to next step: If the rear fog lamp turns ON and OFF 
  4. All OK.
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