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Home >> Saab >> 2007 >> 9-3 2.0T, 2D Convertible, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Management System, MOTRONIC E9 >> Description and Operation >> Main components

Main components

Fig 1: Identifying Engine Management System Motronic E9 Components (1 Of 3)
G05058116Courtesy of SAAB-SCANIA OF AMERICA, INC.
  1. Generator (2)
  2. Starter motor (4)
  3. Ignition switch unit (20)
  4. Brake light switch (29)
  5. Relay, fuel pump (102)
  6. Clutch switch, cruise control (133)
  7. Brake switch, cruise control (134)
  8. Cruise control switch (141, included in 703)
  9. Relay, A/C compressor (156)
  10. Main relay, engine management system (229)
  11. Relay, secondary air injection pump (324)
  12. Relay, +50 (517)
  13. Mass air flow sensor (205)
  14. Boost pressure control valve (179a)
  15. Coolant temperature sensor (202)
  16. Injectors (206a-f)
    Fig 2: Identifying Engine Management System Motronic E9 Components (2 Of 3)
    G05058117Courtesy of SAAB-SCANIA OF AMERICA, INC.
  17. Level sensor, engine oil (243)
  18. Ignition coil with integrated power amplifier (320a-f)
  19. Solenoid valve, EVAP canister purge (321)
  20. Motor, secondary air injection pump (326)
  21. Crankshaft position sensor (345)
  22. Accelerator pedal position sensor (379)
  23. Knock sensor, front cylinder bank (516F)
  24. Knock sensor, rear cylinder bank (516R)
  25. Atmospheric pressure sensor (539)
  26. Position sensor, intake camshaft, front cylinder bank (555F)
  27. Position sensor, intake camshaft, rear cylinder bank (555R)
  28. Manifold absolute pressure sensor (585)
  29. Solenoid valve, shut-off EVAP (588)
  30. Preheated oxygen sensor, front (592)
    Fig 3: Identifying Engine Management System Motronic E9 Components (3 Of 3)
    G05058118Courtesy of SAAB-SCANIA OF AMERICA, INC.
  31. Preheated oxygen sensor, rear (593)
  32. Throttle body actuator unit (604)
  33. Solenoid valve, turbo by-pass (605)
  34. Control module, Motronic E9, V6 petrol (608)
  35. A/C pressure sensor (620)
  36. Fuel pressure sensor, fuel rail (653)
  37. Intake air sensor (688) contains:
    • Intake air temperature sensor (407)
    • Charge air pressure sensor (603)
  38. Fuel pump unit (689) contains:
    • Level sensor, fuel (46)
    • Engine, fuel pump (323)
  39. Solenoid valve, intake camshaft, front cylinder bank (695F)
  40. Solenoid valve, intake camshaft, rear cylinder bank (695R)
  41. Engine oil pressure sensor (696)
  42. Control module, fuel pump (697)
  43. Relay unit, radiator fans (706a)
  44. Column Integration Module (703, contains 141)
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