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 Diagram - Dimmable Networked Illumination
    • Network Message Chart
    • Dimmable Networked Illumination Operation
    • System Diagram - Dimmable Non-Networked Illumination
    • Dimmable Non-Networked Illumination Operation
    • Non-Dimmable Illumination Operation
    • Field-Effect Transistor (FET) Protection
    • Component Description
      • Dimmer Switch
• Diagnosis And Testing
  • Instrument Panel and Interior Switches Illumination
    • DTC Charts
      • DTC Chart: Body Control Module (BCM)
    • Symptom Chart(s)
      • Symptom Chart: Instrument Panel and Interior Switches Illumination
    • Pinpoint Tests
      • Pinpoint Test A : All DIMMABLE Non-Networked Illumination Is Inoperative (Networked Illumination Functions Correctly)
      • Pinpoint Test B : All DIMMABLE Non-Networked Illumination Is Always On (Networked Illumination Functions Correctly)
      • Pinpoint Test C : One Or More DIMMABLE Non-Networked Illumination Source Is Inoperative
      • Pinpoint Test D : All DIMMABLE Illumination (Networked And Non-Networked Sources) Does Not Dim Or Increase Brightness
      • Pinpoint Test E : The Steering Wheel MULTIFUNCTION Switch(Es) Illumination Is Inoperative
      • Pinpoint Test F : The FCIM (Front Controls Interface Module) Illumination Is Inoperative/Does Not Dim (With 4.2-Inch [107 Mm] Display)