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Home >> Cadillac >> 2018 >> Escalade ESV Platinum, RWD >> Repair and Diagnosis >> Accessories & Equipment >> Interior/Illumination Lights >> Lighting System - DTC C0277 To DTC C0297 And Diagnostic Information And Procedures >> Diagnostic Information And Procedures >> Hazard Lamps Malfunction >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON.
  2. Verify the scan tool Hazard Lamps Switch parameter changes between Active and Inactive while commanding the hazard lamps ON and OFF with the hazard warning switch.
    • If the parameter does not change 

      Refer to Circuit/System Testing below.

    • Go to next step: If the parameter changes 
  3. Verify all left and right turn signal lamps turn ON and OFF while commanding the hazard lamps ON and OFF with the hazard warning switch.
    • Go to next step: If all turn signal lamps turn ON and OFF 
  4. All OK.
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