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Main Components, Immobilizer

WARNING: This page is about a different car, the 2002 Saab 9-3. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Main Components Of Immobilizer
G03529586Courtesy of SAAB-SCANIA OF AMERICA, INC.
  1. Control module, TWICE (632)
  2. Car key
  3. Antenna unit, immobilizer (463)
  4. Relay, starter relay (517)
  5. Antenna, remote control, central locking system (456)
  6. Engine management system, petrol (Trionic T7)
  7. Main instrument unit (540)
  8. Engine management system, diesel EDC15/PSG16 (595)
  9. Diesel pump EDC15 (598)
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