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Home › Cadillac › 2017 › XT5 Base › Repair and Diagnosis › Body & Frame › Windows › Fixed And MOVEABLE Window System › Diagnostic Information and Procedures › Rear Window Defogger Malfunction › Circuit/System Verification

Circuit/System Verification

  1. Ignition - On / Vehicle - In Service Mode
  2. Operate the component:Rear Defogger Switch - Pressed

    Verify the component turns On and Off:E18 Rear Defogger Grid

    • If the component does not turn On and Off 

      Refer to: Circuit/System Testing

    • If the component turns On and Off 
  3. Perform the scan tool control function:Illuminate All Indicators - On and Off

    Verify the component turns On and Off:Rear Defogger Indicator

    • If the component does not turn On and Off 

      Replace the component:P17 Info Display Module

    • If the component turns On and Off 
  4. All OK.
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