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Heated steering wheel > < Procedure for renewing lock set

A4 Mk2

Immobilizer for vehicles with entry and start authorisation switchE415 (electronic ignition lock)
Immobilizer for vehicles with entry and start authorisation switch -E415- (electronic ignition lock)
The immobilizer control system is either located in the convenience system central control unit -J393- or in the entry and start authorisation control unit -J518-. Fitting location: → Current flow diagrams, Electrical fault finding and Fitting locations.
The following components also form part of the immobilizer:
t  Ignition key with built-in transponder.
t  Reader coil in entry and start authorisation switch -E415- (electronic ignition lock).
t  Engine control unit.
t  Gearbox control unit.
When renewing control unit, select appropriate control unit in „Guided Functions“ → Vehicle diagnostic tester.
   

Heated steering wheel > < Procedure for renewing lock set