Instrument Panel And Interior Switches Illumination

• Description And Operation
  • Instrument Panel and Interior Switches Illumination - System Operation and Component Description
    • System Operation
      • System Diagram - Networked Illumination
      • Network Message Chart
      • Networked Illumination Operation
      • System Diagram - Non-Networked Illumination
      • Non-Networked Illumination Operation
      • Field-Effect Transistor (FET) Protection
    • Component Description
      • Dimmer Switch
  • Instrument Panel and Interior Switches Illumination - Overview
    • Overview
      • Dimmable Illumination
      • Non-Dimmable Illumination
• Diagnosis And Testing
  • Instrument Panel and Interior Switches Illumination
    • DTC Chart(s)
      • 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 Front Door Window Control Switch Illumination Is Inoperative Or Always On
      • Pinpoint Test G: The IPC (Instrument Panel Cluster) Illumination Is Inoperative Or Does Not Dim
      • Pinpoint Test H: The FCIM (Front Controls Interface Module) Illumination Is Inoperative Or Does Not Dim
      • Pinpoint Test I: The FDIM (Front Display Interface Module) Illumination Is Inoperative Or Does Not Dim
      • Pinpoint Test J: The FCDIM (Front Control/Display Interface Module) Illumination Is Inoperative Or Does Not Dim