Coolant Temperature Sensor / Switch HVAC

• Description and Operation
• Testing and Inspection
  • Coolant Temperature Switch (A/C)
  • Code 21 Engine Coolant Temperature Sensor
• Locations
• Diagrams
  • Diagram Information and Instructions
    • How to Read Circuit Diagrams
    • Connector and Ground Indicators
    • Key to Wiring Diagrams and Symbol Identification
    • Wire Color Codes
  • Electrical Diagrams