900 L4-1985cc 2.0L SOHC Turbo VIN S FI (1984)
Lambda Control Unit: Diagrams
Pin 2........................................................................................................................................................................Oxygen sensor signal (Green Wire)
Pin 4................................................................................................................................................................................Oxygen sensor (Screed Braid)
Pin 5.............................................................................................................................................................................................Ground (Brown Wire)
Pin 7.................................................................................................................................When grounded, fixes pulse ratio to 85% (Red/White Wire)
Pin 8......................................................................................................................................Voltage supply from fuel pump relay (Yellow/Red Wire)
Pin 11..................................................................................................................................When grounded, fixes pulse ratio to 92% min. (Red Wire)
Pin 12.............................................................................................................................When grounded, fixes pulse ratio to 60% (Yellow/Red Wire)
Pin 15.................................................................................................................................................Ground signal to modulating valve (Violet Wire)
Pin 16............................................................................................................................................................................................Ground (Black Wire)
Pin 17.................................................................................................................................................Voltage supply from fuse 8 (Brown/White Wire)
Pin 26........................................................................................................................................................................................Internal Shunt (Yellow)