Volkswagen Golf 1999 Service Manual page 4577

Anti-theft Immobilizer
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Anti-theft Immobilizer control
module, replacing
Replacement of instrument cluster
with integrated immobilizer control
module functions requires
replacement unit to be adapted to
the vehicle's Engine Control Module
(ECM). The following OBD program
steps initiate this procedure:
Special tools, testers and auxiliary
items needed
VAS 5051 Vehicle Diagnostic
Testing and Information System
Adapter cable VAS 5051/1 or
VAS 5051/3
VAS 5051, 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
VAS 5051 with adapter cable to
Data Link Connector (DLC)
located under the instrument
panel, left.
- Switch on ignition
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