Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Section 704 (Climate Control System - General Information (Specifications - Description & Operation))
2021 Ford Edge SE, 4WDSECTION Section 704 (Climate Control System - General Information (Specifications - Description & Operation))
WARNING: This page is about a different car, the 2021 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Description And Operation
- Climate Control System - Vehicles With: Dual Automatic Temperature Control (DATC) - Component Location
- Climate Control System - Raptor, Vehicles With: Dual Automatic Temperature Control (DATC) - Component Location
- Climate Control System - Vehicles With: Electronic Manual Temperature Control (EMTC) - Component Location
- Climate Control System - Vehicles With: Dual Automatic Temperature Control (DATC) - Overview
- Climate Control System - Raptor, Vehicles With: Dual Automatic Temperature Control (DATC) - Overview
- Climate Control System - Vehicles With: Electronic Manual Temperature Control (EMTC) - Overview
- Climate Control System - Vehicles With: Dual Automatic Temperature Control (DATC) - System Operation and Component Description
- System Diagram
- Network Message Chart
- The Refrigerant Cycle
- Control System Logic
- A/C Request
- Heating and Ventilation
- Instrument Panel Console Switch Assembly - Auto Start-Stop Deactivation Switch (if equipped)
- Cabin Heater Coolant Pump - vehicles equipped with Auto Start-Stop (if equipped)
- Air Handling
- Auto
- Off
- Max A/C
- Panel
- Panel/Floor
- Floor
- Floor/Defrost
- Max Defrost
- Remote Start - Message Center Set To Auto
- Remote Start - Message Center Set To Last User Settings
- Component Description
- Electric Booster Heater
- HVAC Control Module - Dual Automatic Temperature Control (DATC)
- Blower Motor Control Module
- Compressor Clutch Assembly
- Evaporator Core
- Heater Core
- Climate Control Housing
- Air Distribution Door Actuator
- Air Inlet Door Actuator
- Driver Temperature Door Actuator
- Passenger Temperature Door Actuator
- Air Conditioning (A/C) Pressure Transducer
- Ambient Air Quality Sensor (if equipped)
- Ambient Air Temperature (AAT) Sensor
- In-Vehicle Temperature And Humidity Sensor
- Autolamp-Sunload Sensor
- Evaporator Temperature Sensor
- Air Discharge Temperature Sensors
- A/C Electric Compressor
- Externally Controlled Variable Displacement Compressor
- Condenser
- Internal Heat Exchanger (IHX)
- Receiver Drier
- Refrigerant System Dye
- Service Gauge Port Valves
- Thermostatic Expansion Valve (TXV)
- Climate Control System - Raptor, Vehicles With: Dual Automatic Temperature Control (DATC) - System Operation and Component Description
- System Diagram
- Network Message Chart
- The Refrigerant Cycle
- Control System Logic
- A/C Request
- Heating and Ventilation
- Instrument Panel Console Switch Assembly - Auto Start-Stop Deactivation Switch (if equipped)
- Cabin Heater Coolant Pump - vehicles equipped with Auto Start-Stop (if equipped)
- Air Handling
- Auto
- Off
- Max A/C
- Panel
- Panel/Floor
- Floor
- Floor/Defrost
- Max Defrost
- Remote Start - Message Center Set To Auto
- Remote Start - Message Center Set To Last User Settings
- Component Description
- HVAC Control Module - Dual Automatic Temperature Control (DATC)
- Ambient Air Quality Sensor (if equipped)
- Ambient Air Temperature (AAT) Sensor
- Blower Motor Control Module
- Compressor Clutch Assembly
- Evaporator Core
- Heater Core
- Climate Control Housing
- Air Distribution Door Actuator
- Air Inlet Door Actuator
- Driver Temperature Door Actuator
- Passenger Temperature Door Actuator
- Air Conditioning (A/C) Pressure Transducer
- In-Vehicle Temperature And Humidity Sensor
- Autolamp-Sunload Sensor
- Evaporator Temperature Sensor
- Air Discharge Temperature Sensors
- Externally Controlled Variable Displacement Compressor
- Condenser
- Internal Heat Exchanger (IHX)
- Receiver Drier
- Thermostatic Expansion Valve (TXV)
- Service Gauge Port Valves
- Refrigerant System Dye
- Climate Control System - Vehicles With: Electronic Manual Temperature Control (EMTC) - System Operation and Component Description
- System Diagram
- Network Message Chart
- The Refrigerant Cycle
- Control System Logic
- Controls and Compressor Operation
- A/C Request
- Heating and Ventilation
- Instrument Panel Console Switch Assembly - Auto Start-Stop Deactivation Switch (if equipped)
- Cabin Heater Coolant Pump - vehicles equipped with Auto Start-Stop (if equipped)
- Air Handling
- Off
- Max A/C
- Panel
- Panel/Floor
- Floor
- Floor/Defrost
- Defrost
- Max Defrost
- Remote Start
- Component Description
- Electric Booster Heater
- HVAC Control Module - Electronic Manual Temperature Control (EMTC)
- Blower Motor Control Module
- Compressor Clutch Assembly
- Evaporator Core
- Heater Core
- Climate Control Housing
- Air Distribution Door Actuator
- Air Inlet Door Actuator
- Temperature Door Actuator
- Air Conditioning (A/C) Pressure Transducer
- Ambient Air Quality Sensor (if equipped)
- Ambient Air Temperature (AAT) Sensor
- In-Vehicle Temperature And Humidity Sensor
- Evaporator Temperature Sensor
- Air Discharge Temperature Sensors
- A/C Electric Compressor
- Externally Controlled Variable Displacement Compressor
- Condenser
- Internal Heat Exchanger (IHX)
- Receiver Drier
- Refrigerant System Dye
- Service Gauge Port Valves
- Thermostatic Expansion Valve (TXV)
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.