Instrument Panel And Interior Switches Illumination

• Description And Operation
  • Instrument Panel and Interior Switches Illumination - Overview
  • Instrument Panel and Interior Switches Illumination - System Operation and Component Description
    • 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
• Diagnosis And Testing
  • Instrument Panel and Interior Switches Illumination
    • DTC Chart(s)
      • DTC Chart: Body Control Module (BCM)
      • DTC Chart: Driver Door Module (DDM)
      • DTC Chart: Passenger Door Module (PDM)
    • Symptom Chart
      • Symptom Chart: Instrument Panel and Interior Switches Illumination
    • Pinpoint Test
      • Pinpoint Test A: All Illumination (Networked And Non-Networked Sources) Does Not Dim Or Increase Brightness
      • Pinpoint Test B: All Networked Illumination Is Inoperative (Non-Networked Illumination Functions Correctly)
      • Pinpoint Test C: All Non-Networked Illumination Sources Are Inoperative (Networked Illumination Functions Correctly)
      • Pinpoint Test D: One Or More Non-Networked Illumination Source Is Inoperative
      • Pinpoint Test E: All Non-Networked Illumination Is Always On (Networked Illumination Functions Correctly)
      • Pinpoint Test F: The Driver Front Door Lock/Memory Set Or Window Control Switch Illumination Is Inoperative Or Always On
      • Pinpoint Test G: The Passenger Front Door Lock And/Or Window Control Switch Illumination Is Inoperative Or Always On
      • Pinpoint Test H: The Rear Door Window Control Switch Illumination Is Inoperative Or Always On
      • Pinpoint Test I: The Steering Wheel Switch(Es) Illumination Is Inoperative Or Always On (Without Active Front Steering)
      • Pinpoint Test J: The Steering Wheel Switch(Es) Illumination Is Inoperative Or Always On (With Active Front Steering)
      • Pinpoint Test K: The IPC (Instrument Panel Cluster) Illumination Is Inoperative Or Does Not Dim
      • Pinpoint Test L: The ACM (Audio Front Control Module) Illumination Is Inoperative Or Does Not Dim
      • Pinpoint Test M: The FCIM (Front Controls Interface Module) Illumination Is Inoperative Or Does Not Dim
      • Pinpoint Test N: The FDIM (Front Display Interface Module) Illumination Is Inoperative Or Does Not Dim