Switch convertible top compartment

The switch connects ground to the control module. The switch has been omitted in vehicles as from the Y-range.

In the event of an alarm, the horn is supplied with positive potential by the control module.

If the positive supply for the alarm horn is interrupted, the visual alarm is triggered via the direction indicator lights and the interior lights.

The signal converter obtains the transponder code from the signals sent by the transponder, and then sends this code on to the alarm system control module. With the help of Porsche System Tester 2 the transponder of a key which is inserted in the ignition can be adapted to one of the 4 memory locations for transponders. The first time the transponder is adapted, its

The Secret Key of the transponder can no longer be overwritten, i.e. a programmed and adapted transponder is permanently assigned to one vehicle.

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

Don't pay hundreds of dollars to find out what is wrong with your car. This book is dedicated to helping the do it yourself home and independent technician understand and use OBD-II technology to diagnose and repair their own vehicles.

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