Exterior Lighting - Description And Operation, Diagnosis And Testing

• Description And Operation
  • Exterior Lighting - System Operation and Component Description
    • System Operation
      • Headlamps
        • Overview
        • System Diagram
        • Network Message Chart
        • Low Beams
        • High Beams
        • Automatic High Beams
        • Headlamp Exit Delay
      • DRL
        • Overview
        • System Diagram
        • DRL
      • Autolamps
        • Overview
        • System Diagram
        • Network Message Chart
        • Autolamps
      • Stoplamps
        • Overview
        • System Diagram
        • Stoplamps
      • Turn Signal and Hazard Lamps
        • Overview
        • System Diagram
        • Network Message Chart
        • Turn Signals
        • Hazard Lamps
      • Parking, Rear, and License Plate Lamps
        • Notes
        • Parking Lamps
      • Fog Lamps
        • Overview
        • System Diagram
        • Fog Lamps
      • Spot Lamps
        • Overview
        • System Diagram
        • Spot Lamps
      • Reversing Lamps
        • Overview
        • System Diagram
        • Network Message Chart
        • Reversing Lamps
      • Trailer Lamps
        • Overview
        • System Diagram
        • Network Message Chart
        • Trailer Stop-Turn Lamps
        • Trailer Parking Lamps
        • Trailer Reversing Lamps
        • Trailer Battery Charging
        • Trailer And Lamp Outage Detection
        • Field Effect Transistor (FET) Protection
    • Component Description
      • Headlamp Assembly
      • Headlamp Switch
      • Light Sensor
      • Stoplamp Switch
• Diagnosis And Testing
  • Autolamps
    • Diagnostic Trouble Code (DTC) Chart
    • Global Customer Symptom Code (GCSC) Chart
    • Symptom Charts
      • Symptom Chart: Autolamps
    • Pinpoint Tests
      • Pinpoint Test A: The AUTOLAMPS Are Inoperative Or Do Not Operate Correctly
  • Daytime Running Lamps (DRL)
    • Global Customer Symptom Code (GCSC) Chart
    • Symptom Charts
      • Symptom Chart: DRL
    • Pinpoint Tests
      • Pinpoint Test A: The DRL (Daytime Running Lamps) Are Inoperative Or Always On
  • Fog Lamps
    • Diagnostic Trouble Code (DTC) Chart
    • Global Customer Symptom Code (GCSC) Chart
    • Symptom Charts
      • Symptom Chart: Fog Lamps
    • Pinpoint Tests
      • Pinpoint Test A: Both Front Fog Lamps Are Inoperative Or Always On
      • Pinpoint Test B: An Individual Front Fog Lamp Is Inoperative Or Always On
      • Pinpoint Test C: The Rear Fog Lamp Is Inoperative Or Always On
  • Headlamps
    • Diagnostic Trouble Code (DTC) Chart
    • Global Customer Symptom Code (GCSC) Chart
    • Symptom Chart(s)
      • Symptom Chart: Headlamps
    • Pinpoint Tests
      • Pinpoint Test A: One Or Both Low Beams Is Inoperative Or Always On
      • Pinpoint Test B: One Or Both High Beams Is Inoperative Or Always On
      • Pinpoint Test C: The Flash-To-Pass Feature Is Inoperative
      • Pinpoint Test D: The Automatic High Beam Feature Is Inoperative
  • Parking, Rear and License Plate Lamps
    • Diagnostic Trouble Code (DTC) Chart
    • Global Customer Symptom Code (GCSC) Chart
    • Symptom Charts
      • Symptom Chart: Parking, Rear and License Plate Lamps
    • Pinpoint Tests
      • Pinpoint Test A: One Or More Front Parking Lamps Or Front Side Marker Lamps Are Inoperative Or Always On
      • Pinpoint Test B: One Or More Rear Parking Lamps Or If Equipped, Rear Side Marker Lamps Are Inoperative Or Always On
      • Pinpoint Test C: The License Plate Lamp Is Inoperative Or Always On - Except China
      • Pinpoint Test D: The License Plates Lamp Is Inoperative Or Always On - China Only
  • Reversing Lamps
    • Diagnostic Trouble Code (DTC) Chart
    • Global Customer Symptom Code (GCSC) Chart
    • Symptom Charts
      • Notes
      • Symptom Chart: Reversing Lamps
    • Pinpoint Tests
      • Pinpoint Test A: Both Reversing Lamps Are Inoperative Or Always On
      • Pinpoint Test B: An Individual Reversing Lamp Is Inoperative