Ford Fiesta: Auxiliary Climate Control / Auxiliary Climate Control - Overview. Description and Operation
Overview
The
electric booster heater is a heater element made up of ceramic
resistors that is mounted in the heater core and evaporator core
housing. It directly heats the airflow into the passenger compartment
rapidly in the case of low ambient temperatures.
The electric booster heater system includes the following components:
-
Electric booster heater
-
Electric booster heater relay 1 and electric booster heater relay 2
-
IPC
-
HVAC control module
System Operation
Electric Booster Heater
Item
Description
1
HS-CAN
2
Ambient Air Temperature (AAT) sensor
3
Electric booster heater
4
HVAC control module
5
Electric booster heater relay 1
6
Electric booster heater relay 2
7
IPC
8
PCM
9
ECT senso..
Other information:
System Operation
System Diagram
Item
Description
1
HCU
2
Private HS-CAN
3
Hydraulic pump motor
4
Brake pressure sensor
5
Valve solenoids
6
ABS module
7
LH rear wheel speed sensor
8
RH front wheel speed sensor
9
RH rear wheel speed sensor
..
Special Tool(s) /
General Equipment
Air Conditioning Flush and Purge Service Unit
Air Conditioning Adaptor Kit
Materials
Name
Specification
Motorcraft® A/C System Flushing SolventYN-23
-
Flushing
NOTICE:
Use the Refrigerant Identification Equipment before
recovering any of the vehicle's refrigerant. Failure to do so puts the
..