900 SE Hatchback L4-1985cc 2.0L DOHC Turbo EFI (1997)
Engine Control Module: Description and Operation
Description Of Operation, Control Module Outputs
1. Sensor ground, reference ground
2. Heating, front heated oxygen sensor
3. Heating, rear heated oxygen sensor
4. Throttle position sensor
5. Manifold absolute pressure sensor
6. Ignition discharge module
7. Injectors
8. Boost pressure control valve
9. Idle air control valve
10. EVAP canister purge valve
11. Fuel tank pressure sensor
12. EVAP emission canister shut-of valve
13. Main relay
14. Fuel pump relay
15. CHECK ENGINE lamp (MIL)
16. SHIFT-UP lamp
17. A/C compressor
18. Engine speed
19. Throttle position
20. Fuel consumption
21. Intake manifold pressure
22. ISAT scan tool communication
23. Vacuum pump relay, brake system
