8 immobiliser
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
Golf Variant 2007 ➤ , Golf Variant 2010 ➤ , Jetta 2005 ➤
Electrical system - Edition 07.2010
8. immobiliser 423