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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 84 (Fixed And MOVEABLE Window System) >> Diagnostic Information and Procedures >> DTC B0283: Rear Defrost Circuit Short Or Open >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2016 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Engine Running.
  2. Verify the E18 Rear Defogger Grid turns ON and OFF when commanding the Rear Defogger On and Off with a scan tool.
    • If the E18 Rear Defogger Grid does not turn ON or OFF 

      Refer to Circuit/System Testing

    • If the E18 Rear Defogger Grid turns ON and OFF 
  3. All OK.
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