Ford Fusion: Climate Control System - General Information / Climate Control System - Vehicles With: Dual Automatic Temperature Control (DATC) - Overview. Description and Operation
Overview
The
Dual Automatic Temperature Control (DATC) system maintains the selected
vehicle interior temperature by heating and/or cooling the air
depending on the HVAC control panel selection.
-
The driver may override the automatic mode of operation.
-
The temperature control setting is the desired cabin air temperature.
-
The blower motor control override buttons vary the blower motor speed.
-
The driver side and passenger side temperature settings can be individually controlled.
-
Vehicles equipped with Auto Start-Stop have a cabin
heater coolant pump to help coolant flow to the heater core.
-
During A/C operation, the system reduces the relative humidity of the air inside the vehicle.
System Operation
System Diagram
Item
Description
1
FDIM
2
Microphone
3
APIM
4
GWM
5
Ambient Air Temperature (AAT) sensor
6
PCM
7
A/C pressure transducer
8
A/C clutch relay
9
A/C compressor clutch field coil
10
Externally Controlled Variable Displacement Compressor (EVDC)
11
Sunload sens..
Other information:
Special Tool(s) /
General Equipment
Hose Clamp Remover/Installer
Materials
Name
Specification
Flange SealantCU7Z-19B508-A
WSS-M2G348-A11
Motorcraft® Metal Surface Prep WipesZC-31-B
-
Engine Oil - SAE 5W-20 - Synthetic Blend Motor OilXO-5W20-Q1SP
WSS-M2C945-B1
Removal
Release the fuel system pressure.
Refer to: Fuel System P..
DTC Chart: BCM
Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).
BCM
DTC Chart
DTC
Description
Action
B124A:11
Right Daytime Running Light: Circuit Short to Ground
GO ..