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:
Special Tool(s) /
General Equipment
Feeler Gauge
Check
NOTE:
Refer to the appropriate Section 303-01 for the specification.
NOTE:
Make sure all cylinder head surfaces are clear of
any gasket material, silicone sealant, oil and coolant. The cylinder
head surface must be clean and dry before running a flatness check.
NOTE:
Use a Straightedge th..
WARNING:
Batteries contain sulfuric acid and produce explosive gases.
Work in a well-ventilated area. Do not allow the battery to come in
contact with flames, sparks or burning substances. Avoid contact with
skin, eyes or clothing. Shield eyes when working near the battery to
protect against possible splashing of acid solution. In case of acid
contact with skin or eyes, flu..