Antenna unit, immobilization
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Antenna unit, immobilization
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Antenna unit, immobilization is a receiver for the car key's identification code. It is located at (around) the ignition switch and is grounded in grounding point G24. The antenna unit is connected to TWICE on the following pins:
Power supply B+
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pin no. 50
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Signal (data)
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pin no. 39
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The standard equipment of the car includes with a system which prevents the car being started if an incorrect key is used. There is a transponder in the car key and it has an identification code which is unique for the transponder in question. The receiver receives the identification code and transmits it on to TWICE.
