ECM INTERNAL CIRCUIT CUMMINS QSM11 ENGINE ECM (ELECTRONIC CONTROL MODULE) ASS'Y CONNECTOR SENSOR ENGINE 47 OEM ECM TERMINAL NO ACTUATOR SENSOR PORT PORT PORT 16 UNUSED PIN ACTUATOR CONNECTOR 5 44 43 47 46 02 48 49 42 41 31 PIN-OEM CONNECTOR SENSOR CONNECTOR 24 25 23 5 12 2 11 1 04 03 05 06 07 31 31P OEM CONNECTOR 28 27 10 08 12 13 11 17 15 20 16 22 29 21 ACTUATOR CONNECTOR Figure 16 AWS0510L S0802195K Page 33 Electrical System 50 49 06 31 45 44 42 43 03 02 07 26 37 39 40 38 10 28 46 21 12 13 24 22 25 16 18 19 20 OEM TEMPERATURE RETURN COOLANT LEVEL HIGH SWITCH COOLANT LEVEL LOW SWITCH COOLANT LEVEL SWITCH +5 VOLT SUPPLY COOLANT LEVEL RETURN OEM SWITCH INPUT 1 1 OEM PRESSURE SUPPLY +5 VOLT SUPPLY SWITCHED OUTPUT A SWITCHED OUTPUT A SHORTING PLUG 6 4 OEM SWITCH RETURN 14 11 32 45 34 43 05 42 18 13 46 25 40 30 17 29 28 27 24 23 20 47 33 10 09 08 07 16 26 04 03 02 01 44 15 31 SWITCH OUTPUT B GRID HEATER ACTULATOR SIGNAL GRID HEATER / SWITCHED OUTPUT RETURN FAN CLUTCH ACTULATOR RETURN SPARE SUPPLY SPARE INPUT AIRCONDOTIONER PRESSURE SWITCH AIRCONDOTIONER PRESSURE SWITCH RETURN SPARE SPARE SHAFT SPEED (-) / FREQUENCY THROTTLE (+) /TRANSMISSION SYNCHRONIZATION (+) FREQUENCY THROTTLE RETURN