Function of individual components

1. Control module

Processes the incoming signals and, if necessary, triggers an alarm.

1 a. Control unit fuse

A 15 A fuse is located in the control unit between both slots which protects the control unit from short circuit at the output. If this fuse blows, the control unit functions are no longer available.

2. Alarm readiness light

Function 1

Display of the locking state. Function 2

Display of the operating state of the alarm system.

Six display types are possible:

Normal flashing (0.5 Hz) Double flashing (0.5 Hz) Rapid flashing (2.0 Hz) Rapid flashing (10.0 Hz) On Off

3. Central locking button

The doors can be locked and unlocked with the central locking button.

4. Door lock module

The door lock modules (driver's/passenger's door) each contain 5 micro switches:

1 switch for priming the system

1 switch for deactivating the system

1 switch for recognising door closed. 1 switch for recognising door locked. 1 switch for recognising door secured.

5. Switch, rear lid

The switch connects ground to the control module.

6. Switch, front lid

The switch connects ground to the control module.

7. Switch, oddments tray

The switch connects ground to the control module when the oddments tray is opened

8. Passenger compartment monitoring

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

sensor

The passenger compartment monitoring sensor connects ground to the control module when movement is detected in the vehicle.

9. Radio alarm contact

14. Transponder coil

The transponder coil reads the transponder code out of the transponder.

The alarm contact on the radio mounting frame connects ground to the control module when

10. Switch, convertible top compartment cover

The switch connects ground to the control module.

11. Switch, convertible top closed

The switch connects ground to the control module.

12. Alarm horn

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

Note

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

13. Signal converter

The signal converter obtains the transponder code from the signals sent by the transponder, and then sends this code on to the alarm 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 Secret Key is programmed.

the radio is removed from the frame.

15. Sliding roof

The sliding roof is not alarm-protected, i.e. opening the sliding roof by force will not trigger an alarm.

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