900 SE Sedan L4-1985cc 2.0L DOHC Turbo EFI (1996)
Engine Control Module: Description and Operation
Description Of Operation, Control Module Power Supply
+30:
Power (+30 circuit) is supplied from maxi fuse 2 to the main relay, fuel pump relay and fuse 28. Power is supplied to ECM pins 1 and 48 from fuse 28.
The engine control module uses the +30 power supply for its memory.
The engine will not start unless power is supplied via the +30 circuit.
+15:
Power (+15 circuit) is supplied to pin 60 of the Trionic engine control module from fuse 17 via the anti-theft alarm's engine control module. Applying
power (+15 circuit) to pin 60 activates the engine control module.
The engine will not start unless power is supplied via the + 15 circuit.
