Immobilizer

Immobilizer

General Description

The Passat CC is equipped with a fourth generation immobilizer with an online connection. The chief integral component of the fourth generation immobilizer is a central database, in which all anti-theft relevant data of participating control modules is stored. It is not possible to adapt participating control modules to the immobilizer without an online connection to this database.

Online system test, refer to => [ Immobilizer Online System Test ] Immobilizer Online System Test.

Modifications from Immobilizer 3:

• The immobilizer PIN cannot be requested by fax and the immobilizer cannot be enabled in advance.

• All components participating on the immobilizer must be adapted online.

• All vehicle keys (subsequently ordered keys as well) are already pre-coded to a specific vehicle from the factory and can only be adapted to this vehicle.

• Additional vehicle keys must be ordered specifying the respective Vehicle Identification Number (VIN).

• It is no longer possible to perform adaptation on components originating from other Volkswagen group brands.

Immobilizer Components

• Anti-Theft Immobilizer Control Module (J362) => [ Anti-Theft Immobilizer Control Module J362 ] Anti-Theft Immobilizer Control Module J362

• Electronic Steering Column Lock Control Module (J764).

• Electronic Ignition Switch (D9) => [ Electronic Ignition Switch D9 ] Service and Repair.

• Engine Control Module (J623)

• Ignition key, refer to => [ Ignition Key ] Ignition Key.

Immobilizer components, removing and installing, refer to => [ New Identity When Replacing All Components ] New Identity When Replacing All Components.

Functions of Anti-Theft Immobilizer Control Module (J362)

• Stores all anti-theft relevant data in central database via online connection.

• Communication of all components participating on immobilizer with each other.

• Data encryption between participating control modules.

DTC Recognition and Display

The immobilizer is equipped with On Board Diagnostic (OBD) capabilities which aids in troubleshooting.

The "Guided Fault Finding" function is to be used for troubleshooting of the systems as described in => [ Vehicle Diagnosis, Testing and Information Systems ] Vehicle Diagnosis, Testing and Information Systems.