Control module
| Control module |
The principal functions of the electronic control module are to check the status of the sensors when the alarm is armed, to set off the alarm via the horn and/or direction indicators and, by means of 3-circuit breaking (Anti-theft alarm) or immobilizing (Anti-theft alarm with VSS), to prevent the car from being started in the event of a break-in.
In order to achieve this, there is a central processing unit in the electronic control module, in which a control program is stored in PROM (Programmable Read Only Memory). As different markets have special requirements for the operation of the theft alarm, the theft alarm can be programmed to adapt it to the particular market. In addition, there are several possibilities when programming to adapt the function to the requirements of the customer.
Programming is carried out using the ISAT scan tool and the information is stored in EEPROM (Electrically Erasable PROM).
Earlier programming is erased when data is programmed. Stored programming does not disappear if the voltage is cut.
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