The (often found in VAG 1.6L vehicles like the VW Golf, Jetta, or Audi A3) typically uses an 80-pin connector . For bench operations like reading pincodes or immobilizer service, specific "top" pins are used to power the unit and establish communication. Bench Connection Pinout
For more detailed technical specifications and wiring diagrams, you can consult the SIMOS Injection Guide or the SIMOS 3.4 ALZ System Overview for related architecture. Key Components & Functions simos 33a pinout top