1996-2005 Suzuki DF40, DF50 Four Stroke Outboard Service Manual, Page 89Get this manual
ENGINE CONTROL SYSTEM 3-34 CIRCUIT VOLTAGE TABLE TERMINAL A1 A2 A3 A4 A5 A6 A7 A8 B1 WIRE COLOR ENGINE TEST CORD Bl Bl BW OB BR BY BY RW Lg BW RW CIRCUIT No.2 Ignition () Ground for power source No.3 Ignition () No.1 Fuel injector () No.1 Ignition () Ground for power source No.2 Fuel injector () No.3 Fuel injector () Fuel pump () STANDARD VOLTAGE Approx12V Approx12V Approx12V Approx12V Approx12V Approx12V Approx0V Approx12V Approx12V Approx12V Approx5V Approx0V Approx0V Approx5V 0.10 4.63V Approx12V Approx0V Approx5V 0.10 4.63V Approx5V Approx0V 0.04 4.46V 0.20 4.53V Approx5V Approx0V 12V Approx0V Approx0.3V or 5V CONDITIONREMARKS Ignition switch ON Ignition switch ON Ignition switch ON Ignition switch ON Ignition switch ON Ignition switch ON For secafter ignition switch ON While engine cranking Other than above (Ignition switch ON) Ignition switch ON Ignition switch ON Ignition switch ON, plate IN Ignition switch ON, plate OUT Ignition switch ON, shift into NEUTRAL Ignition switch ON, shift into FORWARD or REVERSE Ignition switch ON Ignition switch ON, key pushed Ignition switch ON, key not pushed Ignition switch ON Ignition switch ON While engine running Other than above (Ignition switch ON) Ignition switch ON Ignition switch ON Ignition switch ON, throttle not fully closed Ignition switch ON, throttle fully closed While engine cranking Other than above (Ignition switch ON) Ignition switch ON