Funções controladas pelo módulo
Module Controlled Functions

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419-10-11
Multifunction Electronic Modules
419-10-11
DESCRIPTION AND OPERATION
Depending on the outcome of this query and the
status of the key, the PCM then issues the start
enable.
Central module configuration
The modules in the vehicle were previously
configured with the aid of the diagnostic unit and
the "Module Programming" (inhale/exhale) function.
Here, the actual status of each module is read into
the diagnostic unit and then saved in the new
module.
Ranger vehicles utilize a new form of module
configuration called "central module configuration".
Here, all of the necessary configuration parameters
are stored in the BCM at the factory, and from there
they are transmitted via the CAN bus network to
the individual modules.
The diagnostic unit is equipped with a new routine
for performing the central module configuration
which is used to replace or subsequently change
configuration data. Instead of reading the data into
the diagnostic unit as was done in the past, they
are transmitted by the BCM to the relevant module.
The diagnostic unit is only used to initiate and
monitor the process.
For safety reasons all configuration data which are
stored in the BCM are also stored in parallel in the
instrument cluster. If the BCM then needs to be
replaced, this means that the required configuration
data can be read out from the instrument cluster
with the aid of the diagnostic unit and then
transferred to the new BCM.
The BCM checks the configuration data for
consistency and stores DTCs in the event of any
faults (diagnostic unit trouble codes).
In the event of a fault the functionality of a particular
module may be restricted.
When the BCM is replaced it is necessary to
re-learn the keys for the remote control and for the
PATS system. The procedure for doing this is the
same as on the current vehicles.
VIN identification
During the VIN identification, the VIN is saved in
individual modules at the factory.
As soon as a module is identified when the ignition
is switched on (even after the battery has been
disconnected), it can be operated without further
inputs.
If no VIN or an invalid VIN is read in from a module
then this is stored in a memory. Subsequently the
functionality of the module may be restricted
depending on its use.
Climate control
Evaporator temperature
On vehicles with air conditioning the evaporator
temperature is measured via the evaporator
temperature sensor, located in climate the climate
controls. The temperature is then communicated
to the BCM.
If a temperature below +2.9 °C is determined then
the BCM sends a signal to the PCM via the HS
CAN bus which then shuts off the air conditioning
clutch. If the temperature is above +3.9 °C the BCM
sends a signal to the PCM and the air conditioning
clutch is switched back on again.
Electric booster heater
If the interior temperature is set to "HI" on the
heater / air conditioning control assembly or the
temperature control switch is set to its highest
setting then the climate control module sends an
"electric booster heater ON" request signal via the
MS CAN bus to the BCM. If a manual air
conditioning system is installed, the signal is
transmitted via a conventional cable connection.
The BCM controls the electric booster heater
according to the available alternator capacity.
In contrast to other Ford vehicles, there is no link
to the coolant temperature or the ambient
temperature.
The electric booster heater electronics activates
depending on a LIN signal generated by the BCM.
The output stages switch the three heating
elements of the electric booster heater ON or OFF
individually, whereby the heating periods of the
individual elements can overlap. Due to the variable
switch-on duration, continuously variable
temperature control is possible. The overall heating
power of the three heating elements is linearly
proportional to the LIN signal. If the LIN signal
equals 10%, the electric booster heater is not
activated.