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| Connect either vehicle diagnosis, testing and information system -VAS 5051A- → Chapter or vehicle diagnosis and service information system -VAS 5052- → Anchor. |
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| Select operating mode “Guided functions” in vehicle diagnosis, testing and information system -VAS 5051A- or vehicle diagnosis and service information system -VAS 5052-. |
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| Select following menu points one after the other according to Volkswagen brand CD: |
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| “Immobilizer I and II” or “Immobilizer III address word 25” |
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| “Immobilizer I and II functions” or “Immobilizer III functions” |
| The “online system test” is now a part of the test plan and can be initiated by pressing the “GoTo” key. |
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