Anti-Theft Immobilizer On Board Diagnostic (Obd) Inst Vw | Technical Bulletin Subject Anti-theft Immobilizer On Board Diagnostic OBD Modei s Golf Jetta Cabrio New Beetle 2000 Group 01 Number 99 11 Date June 25 1999 The anti-theft immobilizer information in this Technical Bulletin will be integrated into the Repair Manual Volkswagen Electronic Service and Information System on CD-ROM at the next update. Contents Subject Technical Bulletin Page Repair Manual Page Anti-theft immobilizer On Board Diagnostic OBD 1 - Immobilizer electronic components and warning light function 1 - Immobilizer On Board Diagnostic initiating 3 - Diagnostic Trouble Code DTC table 12 - Read measured value block 16 - Matching ignition keys 19 - Lost key procedure 25 - Procedure after changing instrument cluster Matching 26 - Procedure after changing engine control module Matching 27 - Replacement instrument cluster adaptation 29 - Immobilizer troubleshooting 31 - Emergency start function activating without VAG 1551 34 - C 1999 Volkswagen of America Inc. Anti-theft immobilizer On Board Diagnostic OBD Immobilizer electronic components and warning light function The immobilizer electronics consist of control electronics in instrument cluster a warning light for anti-theft immobilizer sensor -K117- in instrument cluster speedometer display a matched engine control module an induction coil on the ignition lock matched ignition keys with electronic components transponder and response reader memory Malfunction recognition and Diagnostic Trouble Code DTC display via warning light for anti-theft immobilizer sensor An intact immobilizer system is indicated by the warning light for anti-theft immobilizer sensor -K117- lighting up and going out after approx. 3 seconds when the ignition is switched on. 1 Warning light flashes or stays lit when the ignition is switched on indicates a malfunction in system if the ignition key has been carried out incorrectly. no transponder response reader memory is present in the ignition key. An unauthorized ignition key is used.
