Main Components of the Saab Trionic System

The Saab Trionic system consists of the following main components:

1. Engine control module
2. Crankshaft position sensor
3. Manifold absolute pressure sensor
4. Intake air temperature sensor
5. Temperature sensor, engine coolant
6. Throttle position sensor
7. Front heated oxygen sensor (before three way catalytic converter)
8. Rear heated oxygen sensor (after three way catalytic converter)
9. Ignition discharge module.
10. Injectors, 4
11. Boost pressure control valve
12. Idle air control valve
13. EVAP canister purge valve
14. Pressure sensor, fuel tank
15. Shut-of valve, evaporative emission canister
16. Spark plugs