Alarm Module: Testing and Inspection

Anti-Theft Immobilizer Control Module, Coding

Replacement of instrument cluster with integrated immobilizer control module functions requires replacement unit to be adapted to the vehicles Engine Control Module (ECM). The following OBD program steps initiate this procedure:

Special tools, testers and auxiliary items required
- Vehicle Diagnostic Testing and Information System VAS 5051 / VAS5052.
- Adapter cable VAS 5051/1 or VAS 5051/3
- Appropriate VAS 5052 adapter cable

Vehicle Diagnostic Testing and Information System VAS 5051/VAS 5052, Connecting
- Switch off all electrical consumers.
- Engage parking brake.
- Automatic transmission: Selector lever in "N" or "P" position.
- Manual transmission: Selector lever in "Neutral" position.







- With ignition switched off, connect Vehicle Diagnostic Testing and Information System VAS 5051 / VAS5052 with adapter cable to Data Link Connector (DLC) located under the instrument panel, left.
- Switch on ignition
- Select mode "Guided Fault Finding"
- Enter appropriate model, equipment and model year information and press ">" to confirm.

After all Control Modules have been registered and DTC memories checked,
- Select "Go to"
- Select "Function / Component Selection"
- Select "Body"
- Select Electrical System
- Select "01-Systems capable of self-diagnosis"
- Select "Anti-theft immobilizer" where indicated
- Select "Functions"
- Select Adapt instrument cluster to Engine Control Module (ECM).
- Forward with arrow right button
- Follow/perform selected OBD program steps as prompted by tester.