Instrument Cluster Illumination And Panel Illumination -- (Except Electric)

• Description And Operation
  • Instrument Panel and Interior Switches Illumination - Overview
    • Overview
      • Dimmable Backlighting
      • Non-dimmable Backlighting
  • Instrument Panel and Interior Switches Illumination - System Operation and Component Description
    • System Operation
      • System Diagram
      • Network Message Chart
        • IPC Network Input Messages
        • APIM, FCIM and FCDIM Network Input Messages
        • BCM Network Input Messages
        • DDM, PDM and IPMB Network Input Messages
        • HVAC Module, (DATC) Network Input Messages
      • Dimmable Illumination
      • 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: Driver Door Module (DDM)
    • DTC Chart: Passenger Door Module (PDM)
    • DTC Chart: Front Control/Display Interface Module (FCDIM)
    • 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)
        • Diagnostic Overview
        • Normal Operation and Fault Conditions
        • Possible Sources
        • 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)
        • Diagnostic Overview
        • Normal Operation and Fault Conditions
        • Possible Sources
        • Pinpoint Test B: All DIMMABLE Non-Networked Illumination Is Always On (Networked Illumination Functions Correctly)
      • PINPOINT TEST C: The Steering Wheel Switch(es) Illumination Is Inoperative
        • Diagnostic Overview
        • Normal Operation and Fault Conditions
        • Possible Sources
        • Pinpoint Test C: The Steering Wheel Switch(Es) Illumination Is Inoperative
      • PINPOINT TEST D: One Or More Dimmable Non-Networked Illumination Source Is Inoperative
        • Diagnostic Overview
        • Normal Operation and Fault Conditions
        • Possible Sources
        • Pinpoint Test D: One Or More Switch Or Component Illumination Is Inoperative
      • PINPOINT TEST E: The RH (right-hand) Front, RH (right-hand) Rear Or LH (left-hand) Rear Window Control Switch Illumination Is Inoperative Or Always On - With Door Modules (With Window One-Touch Up)
        • Diagnostic Overview
        • Normal Operation and Fault Conditions
        • Possible Sources
        • Pinpoint Test E: The RH (Right-Hand) Front, RH (Right-Hand) Rear Or LH (Left-Hand) Rear Window Control Switch Illumination Is Inoperative Or Always On - With Door Modules (With Window One-Touch Up)
      • PINPOINT TEST F: The Start-Stop Switch Illumination Is Inoperative or Always On (Vehicles With Intelligent Access [IA])
        • Diagnostic Overview
        • Normal Operation and Fault Conditions
        • Possible Sources
        • Pinpoint Test F: The Start-Stop Switch Illumination Is Inoperative Or Always On (Vehicles With Intelligent Access [IA])
      • PINPOINT TEST G: All Dimmable Illumination (Networked And Non-Networked Sources) Does Not Dim Or Increase Brightness
        • Diagnostic Overview
        • Normal Operation and Fault Conditions
        • Possible Sources
        • Pinpoint Test G: All DIMMABLE Illumination (Networked And Non-Networked Sources) Does Not Dim Or Increase Brightness
      • PINPOINT TEST H: The ICM (Information Center Module) Illumination Is Inoperative Or Always On
        • Diagnostic Overview
        • Normal Operation and Fault Conditions
        • Possible Sources
        • Pinpoint Test H: The ICM (Information Center Module) Illumination Is Inoperative Or Always On
      • PINPOINT TEST I: The FCIM Illumination Is Inoperative/Does Not Dim (Base/Premium)
        • Diagnostic Overview
        • Normal Operation and Fault Conditions
        • Possible Sources
        • Pinpoint Test I: The FCIM (Front Controls Interface Module) Illumination Is Inoperative/Does Not Dim (Base/Premium)