Ignition, anti-theft alarm with VSS
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Ignition, anti-theft alarm with VSS
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The ignition switch is connected to the electronic control module (pin 9). When the key is removed from the ignition switch the electronic control module senses this and immobilizes the car.
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The ignition switch is also connected to the control module (pin 10) so that the control module will be able to detect the voltage (+12 V) when the ignition is turned "ON" (+15).
If the car is immobilized it cannot be started until the engine management system has identified the correct code from the remote control unit (otherwise the engine management system will prevent the engine from being started). An alarm will be set off if the anti-theft alarm is armed, that is to say an attempt to start the car will trigger both an alarm and "immobilizing".
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Important
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Observe the following:
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The anti-theft alarm cannot be armed if the ignition is "ON" (+15).
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The arming of the anti-theft alarm will be automatically cancelled if the ignition is turned "ON" (+15) during the alarm delay period.
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