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Home >> Saab >> 2003 >> 9-3 Vector, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> TRIONIC T8 Fuel Control System (Late; 9440) >> Technical Description >> Main components
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Main components

  1. Trionic T8 control module (589)
    Fig 1: Illustration For Steps 1-17
    G03604128Courtesy of SAAB-SCANIA OF AMERICA, INC.
  2. Generator (2)
  3. Ignition switch (20)
  4. Switch, brake lights (29)
  5. Pressure monitor, engine oil (44)
  6. Level sensor, fuel (46)

    Fuel pump motor (323)

  7. Fuel pump relay (102)
  8. Main relay, engine management system (229)
  9. Secondary air injection pump relay (324)
  10. Oxygen sensor preheating relay (443)
  11. Main fuse box, petrol engine (727)
  12. Switch, clutch, cruise control (133)
  13. Switch, brakes, cruise control (134)
  14. Solenoid valve, charge air (179a)
  15. Coolant temperature sensor (202)
  16. Mass air flow sensor (205)
  17. Injector, cyl. 1-4 (206a-c)
  18. Level monitor, engine oil (243)
    Fig 2: Illustration For Steps 18-29
    G03604129Courtesy of SAAB-SCANIA OF AMERICA, INC.
  19. Ignition coil with integrated power module, cyl. 1-4 (320a-c)
  20. EVAP canister purge valve (321)
  21. Secondary air injection pump motor (326)
  22. Relay, A/C compressor (156)
  23. Relay, start relay (517)
  24. Crankshaft position sensor (345)
  25. Accelerator position sensor (379)
  26. Intake manifold sensor (688)
  27. Manifold absolute pressure sensor (431)
  28. Diagnostic output, 16-pin, CARB (445)
  29. Pressure sensor, atmospheric pressure (539)
  30. EVAP pressure sensor (585)
    Fig 3: Illustration For Steps 30-40
    G03604130Courtesy of SAAB-SCANIA OF AMERICA, INC.
  31. EVAP shut-off solenoid valve (588)
  32. Front heated oxygen sensor (592)
  33. Rear heated oxygen sensor (593
  34. Exhaust temperature sensor (602)
  35. Throttle body actuator (604)
  36. Wastegate valve (605)
  37. Pressure sensor, A/C (620)
  38. CIM (703)
  39. Power steering fluid pressure switch (739)
  40. CDM (740)
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