Instrument Panel And Interior Switches Illumination

• Description And Operation
  • Instrument Panel and Interior Switches Illumination - Overview
    • Overview
  • Instrument Panel and Interior Switches Illumination - System Operation and Component Description
    • System Operation
      • System Diagram
      • Network Message Chart
      • Dimmable Backlighting
      • Non-Dimmable Backlighting
      • Field-Effect Transistor (FET) Protection
    • Component Description
      • Dimmer Switch
• Diagnosis And Testing
  • Instrument Panel and Interior Switches Illumination
    • DTC Chart: Body Control Module (BCM)
    • DTC Chart: Front Control/Display Interface Module (FCDIM)
    • Symptom Chart: Instrument Panel and Interior Switches Illumination
    • Pinpoint Tests
      • Pinpoint Test A : All DIMMABLE Illumination (Networked And Non-Networked Sources) Does Not Dim Or Increase Brightness
        • Notes
        • Pinpoint Test A : All DIMMABLE Illumination (Networked And Non-Networked Sources) Does Not Dim Or Increase Brightness
      • Pinpoint Test B : All DIMMABLE Non-Networked Illumination Is Inoperative (Networked Illumination Functions Correctly)
        • Notes
        • Pinpoint Test B : All DIMMABLE Non-Networked Illumination Is Inoperative (Networked Illumination Functions Correctly)
      • Pinpoint Test C : All DIMMABLE Non-Networked Illumination Is Always On (Networked Illumination Functions Correctly)
        • Notes
        • Pinpoint Test C : All DIMMABLE Non-Networked Illumination Is Always On (Networked Illumination Functions Correctly)
      • Pinpoint Test D : The Steering Wheel Switch(Es) Illumination Is Inoperative
        • Notes
        • Pinpoint Test D : The Steering Wheel Switch(Es) Illumination Is Inoperative
      • Pinpoint Test E : One Or More Switch Or Component Illumination Is Inoperative
        • Notes
        • Pinpoint Test E : One Or More Switch Or Component Illumination Is Inoperative
      • Pinpoint Test F : The Start-Stop Switch Illumination Is Inoperative Or Always On (Vehicles With Push Button Start)
        • Notes
        • Pinpoint Test F : The Start-Stop Switch Illumination Is Inoperative Or Always On (Vehicles With Push Button Start)
      • Pinpoint Test G : The FCIM (Front Controls Interface Module) Illumination Is Inoperative/Does Not Dim (Without Touchscreen Display)
        • Notes
        • Pinpoint Test G : The FCIM (Front Controls Interface Module) Illumination Is Inoperative/Does Not Dim (Without Touchscreen Display)