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Antenna unit, immobilization

Antenna unit, immobilization





General

The antenna unit, immobilizer, is a receiver for the car key's identification code. It is located around the ignition switch and is grounded at grounding point G24. The antenna unit is connected to TWICE on the following pins:

Power supply B+

pin no. 50

Signal (data)

pin no. 39



Function

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.