9-3 1999

Component Locations

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The Saab Trionic OBD II engine management system consists of the following main components:

  1. Electronic Control Module (ECM)
  2.  
  3. Crankshaft Position (CKP) sensor
  4.  
  5. Manifold Absolute Pressure (MAP) sensor
  6.  
  7. Intake Air Temperature (IAT) sensor
  8.  
  9. Engine Coolant Temperature (ECT) sensor
  10.  
  11. Throttle Position Sensor (TPS)
  12.  
  13. Heated Oxygen Sensor, front (HO2S1)
  14.  
  15. Heated Oxygen Sensor, rear (HO2S2)
  16.  
  17. Ignition Discharge Module (IDM)
  18.  
  19. Fuel injectors
  20.  
  21. Boost Pressure Control (BPC) valve
  22.  
  23. Idle Air Control (IAC) valve
  24.  
  25. Evaporative emission (EVAP) canister purge valve
  26.  
  27. Fuel tank pressure sensor
  28.  
  29. EVAP canister shutoff solenoid valve
  30.  
  31. Spark plugs

    Click image to see an enlarged view

    Fig. Saab Trionic system components, view 900, 9000 & 9-3 models, 2.0L & 2.3L engines



    Click image to see an enlarged view

    Fig. Saab Trionic system components, view 900, 9000 & 9-3 models, 2.0L & 2.3L engines

  32.  

 
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