Volkswagen Golf Variant / Jetta. Manual - part 864

– Remove two screws -2 and 3-.
– Pull out converter -1-.
Installing
Installation is carried out in the reverse sequence.

422

 

General description
The vehicle features a fourth-generation immobiliser.
New features of the forth-generation immobiliser:
♦ It is no longer possible to adapt components of other brands

for use in VW vehicles.

♦ The ignition keys are pre-programmed at the manufacturer

with a base code. This base code contains a specific manu‐

facturer's code. The keys can be taught into a vehicle only if

programmed with the correct manufacturer's mode.

Fault detection and fault display
The immobiliser is equipped with self-diagnosis.
For fault finding, use vehicle diagnosis, testing and information

system -VAS 5051B- in „Guided fault finding“ mode.

8.1

Removing and installing immobiliser

control unit -J362-

The immobiliser control unit -J362- is integrated in the dash panel

insert. In the event of failure of immobiliser control unit -J362- ,

the complete dash panel insert must be renewed.
Renewing dash panel insert 

⇒ page 173

 .

8.2

immobiliser reader coil -D2-

The immobiliser reader coil -D2- is joined to the ignition switch

and cannot be renewed individually.
Removing and installing ignition switch 

⇒ page 332

 .

8.3

Ignition key

Removing and installing battery of ignition key with remote control

⇒  General body repairs, exterior; Rep. gr.  57 .
Removing and installing radio container (transmission unit for re‐

mote control central locking) of ignition key ⇒  General body

repairs, exterior; Rep. gr.  57 .

8.3.1

Ignition key - variable code transponder

The variable code transponder in the ignition key cannot be re‐

placed.
The ignition key must always be replaced if the variable code

transponder is defective.

Note

♦

If an ignition key is replaced or a further ignition key is required,

the new ignition key must always be adapted to the immobil‐

iser 

⇒ page 424

 .

♦

If the radio container (transmission unit for remote controlled

central locking) of the ignition key is also replaced, it must be

adapted to the convenience system (up to MY2009)

⇒ page 425

 .

8.3.2

Loss of the ignition key

All ignition keys are pre-coded to a specific vehicle in the factory

and can only be adapted to this vehicle. The relevant vehicle

8. immobiliser    

423

 

biliser control unit -J362- .

Note

Before removing lock set or control units „New identity on renew‐

ing all components“ function must be called up 

⇒ page 426

 .

Adapting ignition key 

⇒ page 424

 , 

⇒ page 425

8.3.3

Adapting ignition keys to the immobiliser

Special tools and workshop equipment required
♦ Vehicle diagnosis, testing and information system -VAS

5051B-

Procedure
– Connect vehicle diagnosis, testing and information system -

VAS 5051B- .

– In vehicle diagnosis, testing and information system -VAS

5051B- , select „Guided fault finding“.

– Using 

GoTo

 button, select „Functions/component“ and the fol‐

lowing menu options in succession:

Up to MY2009
♦ Body
♦ Electrical system
♦ 01 - On Board Diagnosis capable systems
♦ Immobiliser
♦ immobiliser 4A download
♦ Adapt key
From MY2010
♦ Body
♦ Electrical system
♦ 01 - On Board Diagnosis capable systems
♦ immobiliser 4C download
♦ Functions
♦ Adapt key

424

 

ience system (up to MY2009)

Special tools and workshop equipment required
♦ Vehicle diagnosis, testing and information system -VAS

5051B-

Procedure
– Connect vehicle diagnosis, testing and information system -

VAS 5051B- .

– In vehicle diagnosis, testing and information system -VAS

5051B- , select „Guided fault finding“.

– Using 

GoTo

 button, select „Functions/component“ and the fol‐

lowing menu options in succession:

♦ Body
♦ General body repairs
♦ 01 - On Board Diagnosis capable systems
♦ Convenience system
♦ Functions of convenience system central control unit
♦ Adapt and check key with radio remote control

8.3.5

Checking ignition key with remote con‐

trol (from MY2010)

Special tools and workshop equipment required
♦ Vehicle diagnosis, testing and information system -VAS

5051B-

Procedure
– Connect vehicle diagnosis, testing and information system -

VAS 5051B- .

– In vehicle diagnosis, testing and information system -VAS

5051B- , select „Guided fault finding“.

8. immobiliser    

425