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Funções controladas pelo módulo

Module Controlled Functions

Oficina · página 1360 de 1428 · 419-10-11 · parte 10 de 10

Página 1360 do Manual de Oficina: Funções controladas pelo módulo
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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.