1996-2005 Suzuki DF40, DF50 Four Stroke Outboard Service Manual, Page 61Get this manual
Ignition swOFF ON 12V IN 5V
Injector No.3 Injector No.1 Injector No.2
ECM main relay OUT
Power Source circuit
A7 B1 FP B4 C7 BZ C6 C5 C4 Fuel pump IAC valve Buzzer Oil lamp
REV-LIMIT lamp
12V Battery D7 D6 D3 D8 C8
Buzzer Cancel swIAT sensor Cyl.tempsensor CTP switch
ECM INTERNAL STRUCTURE