Fuel Pump Duty Cycle Output From PCM (All Others)

FP Duty Cycle Command	PCM Status	Fuel Pump Control Module Actions
0-15%	Invalid OFF duty cycle.	The fuel pump control module sends a 20% duty cycle signal on the FPM circuit. The fuel pump is OFF.
37%	Normal low speed operation.	The fuel pump control module operates the fuel pump at the speed requested. The fuel pump control module sends a 60% duty cycle signal on the FPM circuit.
47%	Normal high speed operation.	The fuel pump control module operates the fuel pump at the speed requested. The fuel pump control module sends a 60% duty cycle signal on the FPM circuit.
51-67%	Invalid ON duty cycle.	The fuel pump control module sends a 20% duty cycle signal on the FPM circuit. The fuel pump is OFF.
67-83%	Valid OFF duty cycle.	The fuel pump control module sends a 60% duty cycle signal on the FPM circuit. The fuel pump is OFF.
83-100%	Invalid ON duty cycle.	The fuel pump control module sends a 20% duty cycle signal on the FPM circuit. The fuel pump is OFF.