Volkswagen Jetta / Bora: Electrical System Manual - part 70

Anti-theft alarm system (ATAS)

Note

Additional information:

⇒  Operating instructions
General description:
The functions of the ATAS are integrated into the central control

unit for comfort system -J393- .
Fault detection and fault display:
The anti-theft alarm system is equipped with self-diagnosis which

makes fault finding easier.
For fault finding, use the vehicle diagnosis, testing and informa‐

tion system -VAS 5051A- in “guided fault finding” mode.

Note

Once the anti-theft alarm system has been triggered, the alarm

source that has been stored in the convenience system central

control unit -J393- can be interrogated 

⇒ page 298

 .

10.1

Activating and deactivating anti-theft

alarm system

Activating anti-theft alarm system:
The anti-theft alarm system is switched on automatically when the

vehicle is locked. The system is then immediately armed.

Note

Completely close all windows and doors before locking the vehi‐

cle to prevent the anti-theft alarm system triggering an unneces‐

sary alarm.

Deactivating anti-theft alarm system:
♦ The system is deactivated when the vehicle is unlocked using

the radio remote control key or

♦ when the ignition is switched on.
Unlock the car mechanically (emergency open)
– Unlock the driver door.
The anti-theft alarm system remains active, although no alarm is

triggered.
– Switch ignition on within 15 seconds.

Note

If you do not switch on the ignition, the alarm will trigger after 15

seconds.

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tects a valid vehicle key and deactivates the anti-theft alarm

system.

10.2

Removing and installing anti-theft alarm

ultrasonic sensor -G209-

The anti-theft alarm ultrasonic sensor -G209- , comprising 4 indi‐

vidual sensors -2-, leads and a control element on the back of the

interior and reading light, cannot be replaced individually, the en‐

tire rear interior and reading light must be replaced.
– Removing and installing rear interior and reading light (vehi‐

cles with ATAS) 

⇒ page 268

 .

10.3

Removing and installing vehicle inclina‐

tion sender -G384-

The vehicle inclination sender -G384- -arrow- is located under the

dash panel right behind the front passenger airbag.

Note

The anti-theft alarm system must be deactivated before the send‐

er is removed 

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 .

Removing:
– Switch off ignition and all electrical consumers and pull out

ignition key.

– Remove glove compartment ⇒  General body repairs, interior;

Rep. Gr.  68 ; Compartments, covers and trim; Removing and

installing glove compartment; Removing .

– Unscrew the securing bolts -1- and remove vehicle inclination

sender -G384- from the bracket.

– Release the connector -2- and pull it away from the vehicle

inclination sender -G384- .

Installing:
Install in reverse order of removal.

10.4

Central locking and anti-theft alarm sys‐

tem aerial -R47-

Note

Additional information:

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tions
The central locking and anti-theft alarm system aerial -R47- is laid

from the central locking and anti-theft alarm system aerial -J393-

to the A-pillar (driver side) in the main wiring loom.

Note

♦

The antenna cannot be repaired as this would adversely affect

the reception quality.

♦

In the event of damage, it is necessary to replace the central

locking and anti-theft alarm system aerial -R47- .

10.5

Alarm horn -H12-

The alarm horn -H12- is located on the right of the A-pillar in the

wing.

10.5.1

Removing and installing the alarm horn

-H12-

Special tools and workshop equipment required
♦ Drill -VAS 5134-

♦ Twist drill ∅ 6 mm
♦ Pop rivet pliers -VAS 5072-

Note

The anti-theft alarm system must be deactivated before the alarm

horn is removed 

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 .

Removing:
– Switch off ignition and all electrical consumers and pull out

ignition key.

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pairs, interior; Rep. Gr.  66 ; Wheel housing liner; Removing

and installing front wheel housing liner; Removing .

– Drill out both pop rivets -arrows- using drill -VAS 5134- and ∅

6 mm twist drill.

– Pull alarm horn -H12- -1- in -direction of arrow- out of the

aperture in the bodywork.

– Pull connector off -2-.
Installing:

Note

Remove all metal particles caused during the drilling.

– Perform measures for corrosion protection ⇒ General Infor‐

mation; Body Repairs, General Body Repairs .

– Fit connector to the alarm horn -H12- .

– Insert clip -2- of alarm horn -H12- -3- into the aperture in the

bodywork -1-.

– Secure alarm horn -H12- with pop rivet pliers -VAS 5072- .

10.5.2

Checking alarm horn -H12-

The alarm horn -H12- can be tested using final control diagnosis

from convenience system central control unit -J393- .

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