DOCUMENT TECHNICAL CONTENTS & VERIFIED SCHEMATIC / PCB PREVIEW
VERIFIED ENGINEERING SPEC
This 23-page training manual covers the legacy Audi 2nd generation immobilizer system used in pre-2002 A6, 100, and A4 models. It details the physical location of the immobilizer box and the specific 4-pin communication connector in the engine bay. The guide explains key programming techniques, including T5 chip copying and full loss scenarios, for technicians working on vehicles without standard OBD access.
WHAT IS INSIDE THIS DOCUMENT (CIRCUITS, PINOUTS & SECTIONS):
- Overview of the Audi 2nd generation immobilizer system
- Physical location of the immobilizer box (behind instrument cluster or under steering wheel)
- Identification of pre-2002 vehicle models without OBD ports
- Key programming methods using T5 chip copying and full loss scenarios
- Location of the 4-pin black and white communication connector in the engine bay
- Password requirements for key matching and system synchronization
1. TECHNICAL PASSPORT & EXTRACTED ROM IDENTIFIERS (BINARY TRUTH)
SKU: ECU-114147
| Vehicle brand & model / Engine | Audi |
|---|---|
| ECU family & processor (MCU) | IMMO / BCM / Keys (CAS / FEM / BDC / EIS / KESSY) / IMMO / Security MCU |
| Internal ROM project (Project ID) | — |
| Calibration identifier (STC) | — |
| Bosch software number (10SW / 1037) | — |
| Bosch hardware number (0281 / 0261) | — |
| Compatibility code block (CompID) | — |
| Engineering file name | Audi 2nd Generation Immobilizer System: Key Programming and Box Location Guide (23p PDF) [#114147] |
| Category / Package | manual_pdf / immo-bcm-cas-key |
| Exact size & SHA-256 checksum | 2,335,788 bytes • a52fabda95b359fbd90542a45d7fd13ce2aeadd1176e610c84ebea4e7bfe68f1 |
3. FREQUENT ENGINEERING QUESTIONS ABOUT THIS FILE (SCHEMA.ORG FAQPAGE)
E-E-A-T INDEX
Q: Which ECU and engine is the file Audi 2nd Generation Immobilizer System: Key Programming and Box Location Guide (23p PDF) [#114147] (Audi 2nd Generation Immobilizer Box) for?
This engineering .PDF file targets the IMMO / BCM / Keys (CAS / FEM / BDC / EIS / KESSY) control unit (IMMO / Security MCU MCU) used on Audi vehicles. Extracted ROM markers: Audi 2nd Generation Immobilizer Box.
Q: Is the dump Audi 2nd Generation Immobilizer System: Key Programming and Box Location Guide (23p PDF) [#114147] verified for authenticity and checksums?
Yes. The automated ROM analyzer verified the size (2,335,788 bytes), the SHA-256 checksum (a52fabda95b359fbd90542a4) and the internal firmware project identity (IMMO / BCM / Keys (CAS / FEM / BDC / EIS / KESSY)).
Q: What wiring diagrams, pinouts and fault codes are inside the document Audi 2nd Generation Immobilizer System: Key Programming and Box Location Guide (23p PDF) [#114147]?
This technical document (Audi 2nd Generation Immobilizer System: Key Programming and Box Location Guide (23p PDF) [#114147]) contains wiring diagrams, ECU connector pinouts for IMMO / BCM / Keys (CAS / FEM / BDC / EIS / KESSY) and diagnostic test procedures for Audi .
4. ALL RELATED FILES OF THIS FOLDER, BRAND & ECU (FIRMWARE, MAPS, DIAGRAMS, CODING & VIDEOS)
BUNDLE: immo-bcm-cas-key
WHOLESALE PACK -96% (ALL FILES AT ONCE)
DEDUPLICATED • VERIFIED (COPIES REMOVED: 7)
Download the whole set of related files (53 unique files in one archive)
Individually, all 53 paid files cost $4,355. Buying the whole pack applies the wholesale discount -96% (save $4,190) + 0 free diagrams/photos!
Retail total: $4,355
$165
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